|Archives| Charts| Companies/Links| Conferences| How A Fuel Cell Works | Patents|
| Types of Fuel Cells | The Basics | Fuel Cell News | Basics on Hydrogen | Search |
 PATENTS
Stay Informed Every Week by a Free Subscription(Patent Page Newsletter)
List of New Patents Issued -Delayed For Non-Subscribeers
Sept.01-14/2003 Oct.01-12/2003 Nov.03-10/2003 Dec.01-07/2003
Sept.14-30/2003 Oct.13-20/2003 Nov.10-17/2003
Oct.21-27/2003 Nov.17-23/2003
Oct.28-Nov.02/2003 Nov.24-30/2003
      

Click on List Below for Quick Patent Search

Avista Corp(NYSE:AVA)
  • US6428918: Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, power conditioning methods and direct current power conditioning methods Aug/2/02
  • US6497974: Fuel cell power system, method of distributing power, and method of operating a fuel cell power system Dec/24/02
  • US6387556:Fuel cell power systems and methods of controlling a fuel cell power system May/14/02
  • US6383556: Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell May/7/02
  • US6096449: Fuel cell and method for controlling same Aug/1/00
  • US6030718: Proton exchange membrane fuel cell power system Feb/29/00
  • US6218035: Proton exchange membrane fuel cell power system Apr/17/01

  •  

    Ballard Power Systems (NASDAQ:BLDP)
         World/European Patents:
  • EP1341252: Systems and methods for isolating, compressing and retaining the structure of a fuel cell stack 
  • EP1313161  Fuel cell system and method for operating the same 
  • EP1295351  FUEL CELL SYSTEM AND A METHOD FOR OPERATING A FUEL CELL SYSTEM 
  • EP1341252  Systems and methods for isolating, compressing and retaining the structure of a fuel cell stack 
  • EP1314991  Method and system for fuel cell resistance test 
  • EP1257348  GRAFT POLYMERIC MEMBRANES AND ION-EXCHANGE MEMBRANES FORMED THEREFROM 
  • EP1233826  STRIPPED POROUS POLYMER FILMS AND METHODS OF MAKING SUCH FILMS 
  • EP1296402  Fuel cell system and method for operating the same 
  • EP1296396  Method for operating a cooling system for a fuel cell and cooling system for a fuel cell 
  • EP1314215  METHOD AND APPARATUS FOR MEASURING DISPLACEMENT OF A FUEL CELL STACK DURING ASSEMBLY 
  • EP1238696 Process and apparatus for removing carbon monoxide from a gas stream 
  • EP1263066 Composite ion exchange membrane 
  • EP1309026  Integrated fuel cell drive unit 
  • EP1306916  Fuel cell system and method for operating the same 
  • EP1324412  A water supply for a fuel cell 
  • EP1321995  Indirect measurement of fuel concentration in liquid feed fuel cell 
  • EP1325528  METHOD AND APPARATUS FOR DETECTING TRANSFER LEAKS IN FUEL CELLS AND FUEL CELL STACKS 
  • EP1323199  FLUID DIFFUSION LAYERS FOR FUEL CELLS 
  • EP1322032  System and method for electric motor control 
  • EP1233466  Cooling system for a fuel cell facility 

  • EP1243334  Preparation of a water-repellent catalyst layer on a ceramic or metal carrier 
    US Patents
  • US6492043: Method and apparatus for detecting a leak within a fuel cell Dec/10/02
  • US6479177: Method for improving the cold starting capability of an electrochemical fuel cell Nov/12/02
  • US6472090: Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvation Oct/29/02/
  • US6444345: Fuel cell system (Xcellsis GmbH) Sep/03/02
  • US6444179: Autothermal reformer Sep/03/02
  • US6437011: .alpha.,ß, ß-trifluorostyrene-based composite membranes Aug/20/02
  • US6423439: Membrane electrode assembly for an electrochemical fuel cell July/23/02
  • US6416895: Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream  July/09/02
  • US6413664: Fuel cell separator plate with discrete fluid distribution featuresJuly/07/02
  • US6410175: Fuel cell system with improved starting capability  June/25/02
  • US6359019: Graft polymeric membranes and ion-exchange membranes formed therefrom  March/19/02
  • US6350538: Fuel cell with fluid distribution layer having intergral sealing capability US6329089: Method and apparatus for increasing the temperature of a fuel cell Feb/02/02
  • US6322914: Method and apparatus for distributing water in an array of fuel cell stacks Dec/27/01
  • US6299933: Control process for impregnating porous parts and apparatus therefor Oct/09/01
  • US6291091: Continuous method for manufacturing a Laminated electrolyte and electrode assembly Sept/18/01
  • US6284397: Rotary piston blower for supplying an oxidant stream to a fuel cell Sept/04/01
  • US6258861:alpha.,ß,ß-trifluorostyrene-based composite membranes July/10/01
  • US6258239:Process for the manufacture of an electrode for a solid polymer fuelcell July/10/01
  • US6232008: Electrochemical fuel cell stack with improved reactant manifolding and sealing May/15/01
  • US6210820: Method for operating fuel cells on impure fuels Apr/03/01
  • US6190793:Electrochemical fuel cell stack with an improved compression assembly Feb/20/01
  • US6187467:Ionomer impregnation of electrode substrates for improved fuel cell performanceFeb/13/01
  • US6171374:Plate and frame fluid exchanging assembly with unitary plates and sealsJan/09/01
  • US6106964: Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream Aug/22/00
  • US6096448: Method and apparatus for operating an electrochemical fuel cell with periodic fuel starvation at the anode Aug/1/00
  • US6074773: Impregnation of microporous electrocatalyst particles for improving performance in an electrochemical fuel cell Jun/13/00
  • US6066409: Electrochemical fuel cell stack with improved reactant manifolding and sealing May/23/00
  • US6063515: Integrated FC electric power generation system for submarine applicationsMay/16/00
  • US6060190: Fuel Cell membrane electrode assembly with porous electrode substrateMay/9/00
  • US6057053: Compression assembly for an electrochemical fuel cell stack May/2/00
  • US5935726: Method and apparatus for distributing water to an ion-exchange membrane in a fuel cell Aug/10/99
  • US5874182: Method and apparatus for reducing reactant crossover in a liquid feed fuel cell Feb/23/99
  • US5366818: Solid polymer fuel cell systems incorporating water removal at the anodeNov/22/94


  • California Institute of Technology 

  • US6589684: Direct methanol feed fuel cell and system July/8/03
  • US6485851: Power generation in fuel cells using liquid methanol and hydrogen peroxide Nov/26/02 
  • US6444341: Polymer electrolyte membrane assembly for fuel cells Sept/3/02
  • US6432284: Hydrogen generation by electrolysis of aqueous organic solutionsAug/13/02 
  • US6420059: Direct methanol feed fuel cell and system July/16/02 
  • US6391486: Fabrication of a membrane having catalyst for a fuel cell May/21/02 
  • US6303244: Direct methanol feed fuel cell and system Oct/16/01
  • US6299744: Hydrogen generation by electrolysis of aqueous organic solutions Oct/9/01
  • US6291093: Fuel cell elements with improved water handling capacitySept/18/01 
  • US6277447: Direct deposit of catalyst on the membrane of direct feed fuel cells Aug/21/01
  • US6265093: Direct methanol feed fuel cell and system July/24/01
  • US6254748: Direct methanol feed fuel cell and system July/3/01

  • US6221523: Direct deposit of catalyst on the membrane of direct feed fuel cells May/01/01



    Daimler-Benz, DaimlerChrysler
  •  US6472091: Fuel cell system and method for supplying electric power in a motor vehicle Oct/29/02
  •  US6311650: Vehicle having a driving internal-combustion engine and having a fuel cell system for the power supply to electric consuming devices of the vehicle and method for operating such a vehicle Nov/6/01
  •  US6264856: Three-step reforming reactor especially for mobile fuel cell July/24/01
  •  US6117580: Current collector for an FC and method of making the same Sept/12/00
  •  US5794732: Apparatus and method for starting a fuel cell vehicle Aug/18/98



  • Delphi
  • US6425251: Hydrogen cooled hydride storage unit July/30/02
  • US6492045: Corrugated current collector for direct internal reforming fuel cells Dec/10/02
  • US Application #20020064709: Active material for fuel cell anodes incorporating an additive for precharging/activation thereof Nov/20/01
  • US6318453:Hydrogen cooled hydrogen storage unit having maximized cooling efficiency Nov/20/01
  • US6268077: Portable fuel cell power supply July/31/01
  • US4544461: Hydrogen sulfide decomposition cell and catalytic materials therefor Jan/1/85
  • US4487818: Fuel cell anode based on a disordered catalytic material Dec/11/84
  • US4430391: Fuel cell cathode Feb/7/84


  • Ford (NYSE:F)
  • US6591926: System and method for recovering energy of a hydrogen gas fuel supply for use in a vehicle July/15/03
  • US6580977: High efficiency fuel cell and battery for a hybrid powertrain June/17/03
  • US6495279: Ultrahigh power density miniaturized solid-oxide fuel cell Dec/17/02
  • US6495279: Ultrahigh power density miniaturized solid-oxide fuel cell Dec/17/02
  • US6475268: Supported membrane for hydrogen separation Nov/5/02
  • US6406805: Method for storing purged hydrogen from a vehicle fuel cell system June/18/02
  • US6378636: Method and system for providing for vehicle drivability feel after accelerator release in an electric or hybrid electric vehicleApril/30/02
  • US6368735: Fuel cell power generation system and method for powering an electric vehicle April/9/02
  • US6329091: Fuel reformer system for a fuel cell Ford Global Technologies, Inc. Dec/11/01
  • US6294128: Method of making a supported plurality of electrochemical extruded membranes Ford Global Technologies, Inc. Sept/25/01
  • US6290594: System and method for ventilating hydrogen gas from a vehicle Ford Global Tech., Inc.  Sept/18/01
  • US4407902: Chemically regenerable redox fuel cell and method of operating the same Ford Motor Company Oct/4/83
  • US4195119: Fuel cell Ford Motor Company March/25/80
  • US3951689: Alkali metal/sulfur cell with gas fuel cell electrode Ford Motor Company April/20/7

  •  

     

    FuelCell Energy Inc. (NASDAQ:FCEL)

  • US6531237: Manifold and sealing assembly for fuel cell stack March/11/03
  • US6514636: Ultra-smooth dielectric members for liquid electrolyte fuel cells Feb/4/03
  • US6492045: Corrugated current collector for direct internal reforming fuel cells Dec/12/02
  • US6461756: Retention system for fuel-cell stack manifolds Oct/08/02
  • US6413665: Fuel cell stack compression system July/02/02
  • US6410161: Metal-ceramic joint assembly June/25/02
  • US6372374: Bipolar separator plate with improved wet seals April/16/02
  • US6365290: High-efficiency fuel cell system April/02/02
  • US6200696: Internal reforming fuel cell assembly with simplified fuel feed March/13/01
  • US6159627: Bipolar separator for use in a fuel cell assembly Dec/12/02
  • US5997794: Method of making matrix for carbonate fuel cells Dec/7/99
  • US5869203: Electrolyte matrix for molten carbonate fuel cells Feb/9/99
  • US5580673: Carbonate fuel cell matrix Dec/3/96
  • US5554453: Carbonate fuel cell system with thermally integrated gasification Sept/10/96
  • US5422195: Carbonate fuel cell with direct recycle of anode exhaust to cathodeJun/6/95
  • US5175062: Reforming unit for fuel cell stack Dec/29/92
  • US5110692: Gasket for molten carbonate fuel cell May/5/92

  • General Motors (NYSE:GM)
    World Patents:
  • WO03071615: FUEL CELL ENERGY MANAGEMENT SYSTEM FOR COLD ENVIRONMENTS
  • WO03070628: DIRECT WATER VAPORIZATION FOR FUEL PROCESSOR STARTUP AND TRANSIENTS
  • WO03060380: QUICK START LARGE DYNAMIC RANGE COMBUSTOR CONFIGURATION
  • WO03069710: INTERMITTENT COOLING OF FUEL CELL 
  • WO03069693: PEM FUEL CELL SEPARATOR PLATE 
  • WO03054500: WHEEL MODULE 
  • WO03050498: WHEEL MOTOR SYSTEM
  • WO03049964: MODULAR CHASSIS WITH SIMPLIFIED BODY-ATTACHMENT INTERFACE 
  • WO03019328: METHODS OF CONDUCTING VEHICLE BUSINESS TRANSACTIONS 
  • WO03019309: VEHICLE CHASSIS HAVING PROGRAMMABLE OPERATING CHARACTERISTICS AND METHOD FOR USING SAME 
  • WO03018373: VEHICLE CHASSIS HAVING SYSTEMS RESPONSIVE TO NON-MECHANICAL CONTROL SIGNALS 
  • WO03018361: VEHICLE CHASSIS HAVING SYSTEMS RESPONSIVE TO NON-MECHANICAL CONTROL SIGNALS
  • WO03018359: VEHICLE CHASSIS HAVING SYSTEMS RESPONSIVE TO NON-MECHANICAL CONTROL SIGNALS
  • WO03018358: VEHICLE BODY CONFIGURATIONS 
  • WO03018345: FUEL CELL VEHICLE WITH BY-WIRE TECHNOLOGY 
  • WO03018337: VEHICLE BODY INTERCHANGEABILITY 
  • WO03061048: DYNAMIC FUEL PROCESSOR MECHANIZATION AND CONTROL 
  • WO03060043: FUEL PROCESSOR THERMAL MANAGEMENT SYSTEM 
  • WO03045543: PROCESS FOR ENHANCING THE KINETICS OF HYDROGENATION/DEHYDROGENATION OF MA1H4 AND MBH4 METAL HYDRIDES FOR REVERSIBLE HYDROGEN STORAGE 
  • WO03047785: METHOD OF HYDROFORMING ARTICLES AND THE ARTICLES FORMED THEREBY 

  •  

     
     
     

    US Patents

  • US6497970: Controlled air injection for a fuel cell system Sept/24/02
  • US6432568: Water management system for electrochemical engine Aug/13/02
  • US6428921: Fuel cell stack compression method and apparatus Aug/6/02
  • US6416893: Method and apparatus for controlling combustor temperature during transient load changes July/9/02
  • US6413662: Fuel cell system shutdown with anode pressure control July/2/02
  • US6413661: Method for operating a combustor in a fuel cell system July/2/02
  • US6406806: Fuel cell voltage monitoring and system control June/18/02
  • US6395414: Staged venting of fuel cell system during rapid shutdown May/28/02
  • US6394207: Thermal management of fuel cell powered vehicles May/28/02
  • US6391484: Fuel processor temperature monitoring and control May/21/02
  • US6376112: Controlled shutdown of a fuel cell April/23/02
  • US6376111: System and method for controlling the humidity level of a fuel cell April/23/02
  • US6372376: Corrosion resistant PEM fuel cell April/16/02
  • US6365289: Cogeneration system for a fuel cell April/2/02
  • US6360835: Thermal management of fuel-cell-powered vehicles March/26/02
  • US6358642: Flow channels for fuel cell March/19/02
  • US6358638: Cold start-up of a PEM fuel cell March/19/02
  • US6358637: Freeze-protecting a fuel cell by vacuum drying March/19/02
  • US6350539: Composite gas distribution structure for fuel cell Feb/26/02
  • US6323626: DC/DC converter for a fuel cell having a non-linear inductor Nov/27/01
  • US6309773: Serially-linked serpentine flow channels for PEM fuel cell Oct/30/01
  • US6306531: Combustor air flow control method for fuel cell apparatus Oct/23/01
  • US6294278: Combination of low and high temperature fuel cell device Sept/25/01
  • US6277513: Layered electrode for electrochemical cells Aug/21/01
  • US6268074: Water injected fuel cell system compressor July/31/01
  • US6265092: Method of controlling injection of oxygen into hydrogen-rich fuel cell feed stream July/24/01
  • USRE37284: Corrosion resistant PEM fuel cell July/17/01
  • US6223843:Electrochemical propulsion system May/1/01
  • US6132689: Multi-stage, isothermal CO preferential oxidation reactor Oct/17/00
  • US6103409: Fuel cell flooding detection and correctionAug/15/00
  • US6099984: Mirrored serpentine flow channels for fuel cell Aug/8/00
  • US6077620: Fuel cell system with combustor-heated reformerJune/20/00
  • US6074692: Method of making MEA for PEM/SPE fuel cell June/13/2000
  • US6063516: Method of monitoring CO concentrations in hydrogen feed to a PEM fuel cellMay/16/00
  • US6001499: Fuel cell CO sensor Dec/14/99
  • US5945229: Pattern recognition monitoring of PEM fuel cell Aug/31/99
  • US5886614: Thin film hydrogen sensor March/23/99
  • US5776624: Brazed bipolar plates for PEM fuel cells June/7/98
  • US5763113: PEM fuel cell monitoring system June/9/98
  • US5707755: PEM/SPE fuel cell Jan/13/98
  • US5670115: Hydrogen sensor Sept/23/97
  • US5624769: Corrosion resistant PEM fuel cell April/29/97

  • Gore
     
  •  US6610436: Catalytic coatings and fuel cell electrodes and membrane electrode assemblies made therefrom Aug/26/03
  •  RE37,701   : Integral composite membrane May/14/02
  •  RE37,656 : Electrode apparatus containing an integral composite membrane April/16/02
  •  US6300000: Fuel cell membrane electrode assemblies with improved power outputs and poison resistance Oct/9/01
  •  US6287717: Fuel cell membrane electrode assemblies with improved power outputs Sept/11/01 
  •  RE37,307 Ultra-thin integral composite membrane Aug/7/01
  •  US6242135: Solid electrolyte composite for electrochemical reaction apparatus June/5/01
  •  US6210789: Electrically conductive composite article Apr/3/01
  •  US6130175: Integral multi-layered ion-exchange composite membranes Oct/10/00
  •  US6127059: Gas diffusion layer for solid polymer electrolyte fuel cell Oct/3/00
  •  US6054230: Ion exchange and electrode assembly for an electrochemical cell Apr/25/00
  •  US6007932: Tubular fuel cell assembly and method of manufacture Dec/28/99


  • Graftech
  •  US6605379: Hydrophobic fuel cell electrode Aug/12/03
  •  US6548156: Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity Apr/15/03
  •  US6528199: Graphite article useful as an electrode for an electrochemical fuel cell March/4/03
  •  US6517964: Catalyst support material for fuel cell Feb/11/03
  •  US6503652: Fuel cell assembly method with selective catalyst loading Jan/7/03
  •  US6254993: Flexible graphite sheet with decreased anisotropy July/3/01



  • Honda
     
  •  US6620540: Fuel cell stack Sept/16/03
  •  US6617067: Fuel evaporator Sept/9/03
  •  US6617066: Fuel cell power generation system Sept/9/03
  •  US6613470: Solid polymer electrolyte fuel cell stack Sept/2/03
  •  US6607855: Control system for fuel cell Aug/19/03
  •  US6602632: Sealing member for fuel cell Aug/5/03
  •  US6602628: Control system for fuel cell Aug/5/03
  •  US6598624: Apparatus and process for rapidly filling with hydrogen July/29/03
  •  US6596429: Fuel cell system July/22/03
  •  US6591924: Method and apparatus for cutting off fuel of a fuel cell vehicleJuly/15/03
  •  US6586126: Temperature controller for fuel gas in fuel cell system July/1/03
  •  US6582844: Method of cooling a fuel cell June/24/03
  •  US6566001: Solid polymer electrolyte fuel cell and non-humidifying operating method therefor May/20/03
  •  US6562500: Fuel cell humidification system May/13/03
  •  US6562499: Catalyst and method for selectively oxidizing carbon monoxide in hydrogen-containing gas and solid polymer electrolyte-type    fuel cell system using such catalyst May/13/03
  •  US6550532: Fuel evaporator Apr/22/03
  •  US6545609: Humidification system for fuel cell Apr/8/03
  •  US6528196: Fuel cell stack having bent section flow passage grooves Mar/4/03
  •  US6524735: Fuel cell stack with a curved flow guide section Feb/25/03
  •  US6494286: Vehicle with fuel cell system mounted thereon Dec/17/02
  •  US6485855: Active solid polymer electrolyte membrane in solid polymer type fuel cell and process for the production thereof Nov/26/02
  •  US6455179: Fuel cell system Sept/24/02
  •  US6447940: Evaporation control method for liquid fuel in fuel cell system Sept/10/02
  •  US6420061: Fuel cell stack July/16/02
  •  US6416899: Fuel cell stack July/9/02
  •  US6406809: Fuel cell comprising a separator provided with coolant passages June/18/02
  •  US6378637: Fuel-cell-powered electric automobile Apr/30/02
  •  US6350540: Fuel cell with gas diffusion layer flow passage Feb/26/02
  •  US6294280: Fuel cell stack Sept/25/01
  •  US6290877: Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus Sept/18/01
  •  US6258475: Fastening structure for fuel cell stack July/10/01
  •  US6255011: Fuel cell stack July/03/01
  •  US6242119: Fuel cell system and draining method for the same June/05/01
  •  US6182717: Process for filling hydrogen into a hydrogen storage tank in automobile Feb/6/01
  •  US6180273: Fuel cell with cooling medium circulation arrangement and method Jan/30/01
  •  US6124060: Solid polymer electrolytes Sept/26/00
  •  US6045933: Method of supplying fuel gas to a fuel cell Apr/4/00
  •  US5965288: Gas humidifying device for use with a fuel cell Oct/12/99
  •  US5780179: Fuel cell system for use on mobile bodies July/14/98
  •  US5752988: Method for producing electrode unit for fuel cell May/19/98
  •  US5736269: Fuel cell stack and method of pressing together the same Apr/7/98
  •  US5723228: Direct methanol type fuel cell Mar/3/98


  • H Power Corporation (Purchased By Plug Power)

  • US6093501: Fuel cell using an aqueous hydrogen-generating process July/25/00
  • US6028414: Fuel cell stand-by energy supply system Feb/22/00
  • US6048634: Fuel cell using water-soluble fuel Jan/11/00
  • US5925322: Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor July/20/99
  • US5863671: Plastic platelet fuel cells employing integrated fluid management Jan/26/99
  • US5858567: Fuel cells employing integrated fluid management platelet technologyJan/12/99
  • US5840270:Catalytic method of generating hydrogen Apr/7/98
  • US5776625: Hydrogen-air fuel cell Nov/28/98
  • US5830426: Aqueous hydrogen generation process Nov/3/98
  • US6051331: Fuel cell platelet separators having coordinate features Sept/28/97
  • US5690902: Hydrogen-powered automobile with in situ hydrogen generation Nov/25/97
  • US5643352: Reactive iron material for use in a hydrogen-generating process in an electrical vehicle July/01/97
  • US5510201: Method of operating a fuel cell wherein hydrogen is generated by providing iron in situ April/23/96
  • US5629102: Electrical automobile having a fuel cell, and method of powering an electrical automobile with a fuel cell system May/13/97
  • US5690902: Hydrogen-powered automobile with in situ hydrogen generation June/7/95
  • Hydrogenics (TSE: HYG)
  • US6619054: Condenser for dehumidifying gasSept/16/03 
  • US6602625: Fuel cell with dual end plate humidifiers Aug/5/03
  • US6541141: Water recovery in the anode side of a proton exchange membrane fuel cell Apr/1/03
  • US6519539: Measurement of fuel cell impedance Feb/11/03
  • US6436563: Water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell Aug/20/02
  • CA2219553: HYBRID SELF-CONTAINED HEATING AND ELECTRICAL POWER SUPPLY INCORPORATING A HYDROGEN FUEL CELL, A THERMOELECTRIC GENERATOR AND A CATALYTIC BURNER May/4/99
  • US5753383: Hybrid self-contained heating and electrical power supply process incorporating a hydrogen fuel cell, a thermoelectric generator and a catalytic burner May/19/98

  •  

     

    Patent Applications :

  • Back pressure valve with dynamic pressure control Mar/27/03

  • US20030031906: Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell Feb/13/03
  • CA2315576: WATER RECOVERY, PRIMARILY IN THE CATHODE SIDE, OF A PROTON EXCHANGE MEMBRANE FUEL CELL Aug/4/00
  • CA2315139: CATALYTIC HUMIDIFIER AND HEATER FOR THE FUEL STREAM OF A FUEL CELL Aug/4/00
  • CA2315138: FUEL CELL WITH DUAL END PLATE HUMIDIFIERS Aug/4/00
  • CA2315135: METHOD AND APPARATUS FOR HUMIDIFICATION AND TEMPERATURE CONTROL OF INCOMING FUEL CELL PROCESS GAS Aug/4/00
  • CA2315134: WATER RECOVERY IN THE ANODE SIDE OF A PROTON EXCHANGE MEMBRANE FUEL CELLAug/4/00
  • CA2315133: CATALYTIC HUMIDIFIER AND HEATER, PRIMARILY FOR HUMIDIFICATION OF THE OXIDANT STREAM FOR A FUEL CELL Aug/4/00

  •  

     

    Idatech

  • US6596057: Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same7/22/03
  • US6569227: Hydrogen purification devices, components and fuel processing systems containing the same 5/27/03
  • US6562111: Hydrogen purification devices, components and fuel processing systems containing the same 5/13/03
  • US6547858: Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the same 4/15/03
  • US6537352: Hydrogen purification membranes, components and fuel processing systems containing the same 3/25/03
  • US6495277: Fuel cell system controller 12/17/02
  • US6465118: System and method for recovering thermal energy from a fuel processing system 10/15/02
  • US6458189: Hydrogen-selective metal membrane modules and method of forming the same 10/1/02
  • US6451464: System and method for early detection of contaminants in a fuel processing system 9/17/02
  • US6376113: Integrated fuel cell system 4/23/02
  • US6221117: Hydrogen producing fuel processing system 4/24/01

  •  

     



    International Fuel Cells (a subsidiary of United Technologies- NYSE:UTX)
  • US5480735: High current alkaline fuel cell electrodes Jan/2/96
  • US6110613: Alcohol and water recovery system for a direct aqueous alcohol fuel cell power plant Aug/29/00
  • US5573866: Direct methanol oxidation polymer electrolyte membrane power system Nov/12/96
  • US5478663: Edge seals for molten carbonate fuel cell stacks Dec/26/95
  • US5468573: Electrolyte paste for molten carbonate fuel cells Nov/21/95
  • US5308456: Molten carbonate fuel cell sulfur scrubber and method using same May/3/94
  • US4800052: Method of fabricating molten carbonate cathodes Jan/24/89
  • US5419978: Phosphoric acid fuel cell passivation with natural gas May/30/95
  • US5013618: Ternary alloy fuel cell catalysts and phosphoric acid fuel cell containing the catalysts May/7/91
  • US4678723: High pressure low heat rate phosphoric acid fuel cell stack July/7/87
  • US6120923: Steam producing hydrocarbon fueled power plant employing a PEM fuel cellSept/19/00
  • US6127056: Start up of proton exchange membrane fuel cell Oct/3/00
  • US6020083: Membrane electrode assembly for PEM fuel cell Jan/1/00
  • US5853909: Ion exchange membrane fuel cell power plant with
  • water management pressure differentials Dec/29/98
  • US5503944: Water management system for solid polymer electrolyte fuel cell power plants Apr/2/96
  • US5264299: Proton exchange membrane fuel cell support plate and an assembly including the sameNov/23/93
  • US5262249: Internally cooled proton exchange membrane fuel cell device Nov/16/93
  • US05932146 Air electrode composition for solid oxide fuel cell Aug/3/99
  • US05763114 Integrated reformer/CPN SOFC stack module design May/9/98
  • US05366819 Thermally integrated reformer for solid oxide fuel cells Nov/22/94
  • US05348776 Method of producing interconnectors for solid oxide electrolyte fuel cells Sept/20/94
  • US04857420 Method of making monolithic solid oxide fuel cell stack Aug/15/89
  • US6127057: Self-inerting fuel cell system Oct/3/00
  • US6124054: Purged anode low effluent fuel cell Sept/26/00
  • US6103410: Start up of frozen fuel cell Aug/15/00
  • US6068941: Start up of cold fuel cell May/30/00
  • US6093500: Method and apparatus for operating a fuel cell system Feb/25/00
  •  US6451466: Functional integration of multiple components for a fuel cell power plant Sept/17/02
  • US6461753: Fuel cell with a direct antifreeze impermeable cooler plate Oct/08/02
  • US6495280: Convex fuel manifold providing uniform pressure seal to fuel cell stack Dec/17/02
  • US6497971: Method and apparatus for improved delivery of input reactants to a fuel cell assemblyDec/24/02



  • Johnson Matthey 
  • US6555259: Catalytic generation of hydrogen Apr/29/03
  • US6531240: Gas diffusion substrates Mar/11/03
  • US6485856: Non-woven fiber webs Nov/26/02
  • US6403049: Hydrogen purification June/11/02
  • US6350297: Gas separation devices Feb/26/02
  • US6207307: Carbon monoxide removal from a reformate gas Mar/27/01
  • US6042958: Composite membranes Mar/28/00
  • US6165643: Hydrogen storage materials Dec/26/00
  • US6010606: Gas diffusion electrodes Jan/4/00 
  • US5955044: Method and apparatus for making ultra-pure hydrogen Sept/21/99
  • US5939220: Catalyst Aug/17/99
  • US5871860: Manufacture of electrodes Feb/19/99
  • US5501915: Porous electrode for electrode assemblies in a fuel cell Mar/26/96
  • US5246791: Fuel cell containing a reforming catalyst Sept/21/93


  • Manhattan Scientifics (Pinks:MHTX)

  • US4673624: Fuel Cell June/16/87
  • US5482568: Micro Mirror Photovoltaic Cells Jan/9/96
  • US5631099: Surface Replica Fuel Cell May/20/97
  • US6017650: Gas-diffussion electrodes for polymeric membrane fuel cell Jan/25/00
  • US5759712:Surface Replica Fuel Cell with Power Pack May/9/00
  • US20010045364A1:Portable chemical hydrogen hydride system Nov/29/01
  • US6326097:Micro-fuel cell power devices Dec/4/01
  • US20010049045A1:Diffusion fuel ampoules for fuel cells Dec/6/01
  • US6194095:Non-bipolar fuel cell stack configuration Feb/22/01
  • US6,544,400:Portable chemical hydrogen hydride system April 9/8/03
  • US6,645,651 B2:Fuel generator with diffusion ampoules for fuel cells November/11/03

  • Patent Applications :
  • 20010049045: Diffusion fuel ampoules for fuel cells
  • 20020182482: Catalytic hydrogen vent filter for batteries
  • Medis EL(NASDAQ:MDTL)
  • US3755194:Hydrogenation Catalyst Aug/28/73
  • Referenced in Above Patent:US5334292: Conducting polymer films containing nanodispersed catalyst particles: a new type of composite material for
  • technological applicationsAug/02/94
  • US6127058: Planar fuel cellOct/03/00
  • US6380126: Class of electrocatalysts and a gas diffusion electrode based thereon for fuel cells April/30/02
  • US6479181:Class of electrocatalysts and a gas diffusion electrode based thereon for fuel cells Nov/12/02
  • US6554877: Liquid fuel compositions for electrochemical fuel cells  April/29/03
  • US6562497: Liquid fuel compositions for electrochemical fuel cells  May/13/03

  •  

     

    Patent Applications:

  • 20030008199: Class of electrocatalysts and a gas diffusion electrode based thereon 
  • 20020155341    Self-managing electrochemical fuel cell and fuel cell anode
  • 20020132157    CLASS OF ELECTROCATALYSTS AND A GAS DIFFUSION ELECTRODE BASED THEREON FOR FUEL CELLS
  • 20020094459    Liquid fuel compositions for electrochemical fuel cells 
  • 20020083640    Liquid fuel compositions for electrochemical fuel cells 
  • 20020076602    Direct liquid fuel cell and a novel binary electrode therefor 
  • 20020132040:New class of electrocatalysts and a gas diffusion electrode based thereon for fuel cells



  • 3M 
  •  US6569559: Method for transferring thermal energy and electrical current in thin-film electrochemical cells May/27/03
  •  US6559237: Sulfonated perfluorocyclobutane ion-conducting membranes May/6/03
  •  US6555261: Microstructured flow fields April/29/03
  •  US6547229: Stacking apparatus and method for laminated products and packaging April/15/03
  •  US6482763: Suboxide fuel cell catalyst for enhanced reformate tolerance Nov/19/02
  •  US6432571: Membrane electrode assemblies Aug/13/02
  •  US6428584: Membrane electrode assemblies Aug/9/02 
  •  US6425993: Membrane electrode assembly and method of its manufacture July/30/02
  •  US6423784: Acid functional fluoropolymer membranes and method of manufacture July/23/02
  •  US6391182: Electrochemical fluorination using interrupted current May21/02
  •  US6319293: Membrane electrode assembly Nov/20/01
  •  US6280883: Bis (perfluoralkanesulfonyl)imide surfactant salts in electrochemical systems Aug/28/01
  •  US6267865: Electrochemical fluorination using interrupted current July/31/01
  •  US6238534: Hybrid membrane electrode assembly May/29/01
  •  US6183668: Membrane electrode assemblies Feb/6/01
  •  US6136412: Microtextured catalyst transfer substrate Oct/24/00
  •  US6042959: Membrane electrode assembly and method of its manufacture Mar/28/00
  •  US6040077: Catalyst for membrane electrode assembly and method of making Mar/21/00
  •  US5910378: Membrane electrode assemblies Jun/8/99
  •  US5879828: Membrane electrode assembly Mar/9/99
  •  US5879827: Catalyst for membrane electrode assembly and method of makingMar/9/99

  •  


     
    Motorola(NYSE:MOT)
  • US6646418: Method and apparatus for fuel cell protection November/11/03
  • US6426158: Method of diluting hydrogen gas exhausted from a fuel cell July/30/02
  • US6423434: Method and apparatus for managing fuel cell performance July/23/02
  • US6406808: Method and apparatus for thermal management of fuel cell systems June/18/02
  • US6387559: Direct methanol fuel cell system and method of fabrication May/14/02
  • US6322918:Water management system for fuel cells Nov/27/01
  • US6268077: Portable fuel cell power supplyJuly/31/01
  • US6132895: Fuel cell Feb/8/00
  • US6127058: Planar fuel cellOct/03/00
  • US6080501: Fuel cell with integral fuel storage June/27/00(e
  • US6060188: High pressure coaxial fuel cell Jan/6/85
  • US5904740: Fuel for liquid feed fuel cells May/18/99
  • US5759712: Surface replica fuel cell for micro fuel cell electrical power packJun/2/98
  • US5723229: Portable fuel cell device including a water trapMar/3/98
  • US5519312: Hybrid system of fuel cell and superconducting magnetic energy storage deviceMay/21/96(expired)



  • Nuvera
  • US6444602: Structures and methods of manufacture for gas diffusion electrodes and electrode components Sept/3/02
  • US6423203: Method for the integration of fuel cells into electrochemical plants Aug/23/02
  • US6103077: Structures and methods of manufacture for gas diffusion electrodes and electrode components Aug/15/00
  • US6077621: Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer Jun/20/00
  • US6022634: Membrane electrochemical cell provided with gas diffusion electrodes in contact with porour, flat, metal current conductors having highly distributed contact area Feb/8/00
  • US6017650: Gas-diffussion electrodes for polymeric membrane fuel cell Jan/25/00
  • US4533455: Bipolar separator plate for electrochemical cells Jan/6/85(expired)



  • Plug Power (NASDAQ:PLUG)
  • US6489052: Fuel cell air purification subsystem  Dec/3/02
  • US6489048: Operating a fuel cell system during low power demand Dec/3/02
  • US6428917: Regulating the maximum output current of a fuel cell stack Sept/6/02
  • US6426159: Sealing method and apparatus for a fuel cell stack Aug/30/02
  • US6410179: Fluid flow plate having a bridge piece June/25/02
  • US6410176: Voltage monitoring system for a fuel cell stack June/25/02
  • US6406807: Distribution of hydration fluid in a fuel cell June/18/02
  • US6395415: Sensor mount assembly for a fuel cell system May/28/02
  • US6379826: Regulating a fuel cell powered heating system April/30/02
  • US6372372: Clamping system for a fuel cell stack April/16/02
  • US6370878: Recovering heat from fuel cell exhaust April/16/02
  • US6358641: Technique and arrangement to align fuel cell plates March/19/02
  • US6358639: Methods and kits for decontaminating fuel cells March/19/02
  • US6355371: Profiled fuel cell flow plate gasket March/12/02
  • US6355368: Cooling method and apparatus for use with a fuel cell stack March/12/02
  • US6350535: Mist evaporation system for fuel cell hydration Feb/26/02
  • US6150049: Fluid flow plate for distribution of hydration fluid in a fuel cellNov/21/00
  • US6146779: Fluid flow plate, fuel cell assembly system, and method employing same for controlling heat in fuel cells Nov/14/00
  • US6140820: Measuring cell voltages of a fuel cell stack Oct/31/00
  • US6110612: Structure for common access and support of fuel cell stacks Aug/29/00
  • US6096450: Fuel cell assembly fluid flow plate having conductive fibers and rigidizing material therein Aug/1/00
  • US6093502: Fuel cell with selective pressure variation and dynamic inflection July/25/00
  • US6071635: Easily-formable fuel cell assembly fluid flow plate having conductivity and increased non-conductive material Jun/6/00
  • US6066408: Fuel cell cooler-humidifier plate May/23/00
  • US6017648: Insertable fluid flow passage bridgepiece and method Jan/25/00
  • US6015633: Fluid flow plate for water management, method for fabricating same, and fuel cell employing same Jan/18/00
  • US5945232: PEM-type fuel cell assembly having multiple parallel fuel cell sub-stacks employing shared fluid plate assemblies and shared membrane electrode assembliesAug/31/99



  • Proton Energy
  • US6383361: Fluids management system for water electrolysis May/7/02
  • US6368740: Electrochemical cell frame having integral protector portion April/9/02
  • US6365032: Method for operating a high pressure electrochemical cell April/2/02
  • US6270636: Integrated membrane and electrode support screen and protector ring for an electrochemical cell Sept/7/01
  • US6168705: Electrochemical gas purifier Jan/2/01
  • US6117287: Electrochemical cell frame Sept/12/00
  • US6099716: Electrochemical cell frame Aug/8/00
  • US5980726 Hydrogen electrochemical system environment Nov/9/99
  • US6168705: Electrochemical gas purifierJanuary/2/01



  • Samsung
    Patent Applications :
  • US20020142205:Proton Exchange Membrane Fuel Cell Stack Oct/03/2002
  • US20010041277:Method for fabricating membrane-electrode assembly and fuel cell adopting the membrane-electrodeassembly Nov/15/2001


  • Stuart Energy (TSE:HHO)
  • US6432283: Hydrogen fuel replenishment system Aug/13/02
  • US6395154: Electrochemical cell using a folded double electrode plate May/28/02
  • US6383347: Electrochemical cell utilizing rigid support members May/7/02
  • US6338786: Gas-liquid separation method and apparatus in electrolytic cells May/15/02
  • US6254741: Electrolytic cells of improved fluid sealability July/3/01
  • US6187155: Electrolytic cell separator assembly Feb/13/01
  • US6146518: Pressure differential control in an electrolytic cell Npv/14/00

  • US6080290: Mono-polar electrochemical system with a double electrode plate June/7/0

    © 1999 - 2005 FuelCellWorks.com All Rights Reserved.

    1setstats