International Fuel Cells Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 19135
 
  
 
B01D SEPARATION 2132
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 144
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
F23D BURNERS 131
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6277508 Fuel cell power supply with exhaust recycling for improved water managementJul 17, 98Aug 21, 01[H01M]
6197442 Method of using a water transport plateJun 16, 98Mar 06, 01[H01M]
6187466 Fuel cell with water capillary edge sealJul 23, 98Feb 13, 01[H01M]
6103410 Start up of frozen fuel cellJun 05, 98Aug 15, 00[H01M]
6093500 Method and apparatus for operating a fuel cell systemJul 28, 98Jul 25, 00[H01M]
6048635 Polymeric header for fuel cell pressure plate assembliesAug 25, 98Apr 11, 00[H01M]
5931658 Fuel cell power plant furnaceMay 28, 97Aug 03, 99[F23D]
5792572 System for treatment of acid fuel cell fuel gas streamMay 31, 96Aug 11, 98[H01M]
5769909 Method and apparatus for desulfurizing fuel gasMay 31, 96Jun 23, 98[C10L, B01J]
5732463 Method of preparing a fuel cell electrodeOct 20, 95Mar 31, 98[H01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6110613 Alcohol and water recovery system for a direct aqueous alcohol fuel cell power plantExpiredJul 23, 98Aug 29, 00[H01M]
6051192 Control system and method for controlling a gas generating systemExpiredApr 15, 97Apr 18, 00[H01M, G05D]
6039823 Composite articleExpiredMar 09, 98Mar 21, 00[B32B, D04H]
6015634 System and method of water management in the operation of a fuel cellExpiredMay 19, 98Jan 18, 00[H01M]
6010675 Method of and apparatus for removing carbon monoxide from gaseous mediaExpiredMar 19, 92Jan 04, 00[C01B, B01J]
6007931 Mass and heat recovery system for a fuel cell power plantExpiredJun 24, 98Dec 28, 99[H01M]
5998058 Porous support layer for an electrochemical cellExpiredApr 29, 98Dec 07, 99[H01M]
5989318 Apparatus for separating water from a two-phase streamExpiredMay 19, 98Nov 23, 99[B01D]
5961928 Gas generating system and methodExpiredApr 15, 97Oct 05, 99[H01M, G05D]
5837395 Corrosion resistant fuel cell assemblyExpiredDec 21, 95Nov 17, 98[H01M]
5726105 Composite articleExpiredApr 20, 95Mar 10, 98[D04H]
5718881 Catalytic reactor designed to reduce catalyst slumping and crushingExpiredJun 24, 96Feb 17, 98[C01B, B01J]
5573866 Direct methanol oxidation polymer electrolyte membrane power systemExpiredMay 08, 95Nov 12, 96[H01M]
5516344 Fuel cell power plant fuel processing apparatusExpiredJan 10, 92May 14, 96[B01J]
5504433 Electrochemical sensor for monitoring electrolyte contentExpiredOct 23, 92Apr 02, 96[G01N]
5486041 Cabinet structures coupled to adjacent cabinet structures and to rectangular frame elements, and equipped with anti-tilt mechanisms and rolling and sliding basesExpiredMay 26, 94Jan 23, 96[F16B]
5478663 Edge seals for molten carbonate fuel cell stacksExpiredMar 22, 94Dec 26, 95[H01M]
5470360 Fuel cell power plant reformer burner gas flow control systemExpiredMar 10, 94Nov 28, 95[B01J]
5468573 Electrolyte paste for molten carbonate fuel cellsExpiredJun 23, 94Nov 21, 95[H01M]
5419978 Phosphoric acid fuel cell passivation with natural gasExpiredMar 17, 94May 30, 95[H01M]

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