H POWER 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 3151
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
B01D SEPARATION 1133
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6093501 Fuel cell using an aqueous hydrogen-generating processMar 04, 99Jul 25, 00[H01M]
5925322 Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method thereforJul 18, 97Jul 20, 99[B01D]
5840270 Catalytic method of generating hydrogenJun 07, 95Nov 24, 98[C01B]
5830426 Aqueous hydrogen generation processJun 07, 95Nov 03, 98[C01B]
5629102 Electrical automobile having a fuel cell, and method of powering an electrical automobile with a fuel cell systemJun 07, 95May 13, 97[H01M]
5510201 Method of operating a fuel cell wherein hydrogen is generated by providing iron in situSep 23, 94Apr 23, 96[H01M]
5415888 Method of imprinting catalytically active particles on membraneApr 26, 93May 16, 95[B05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7049014 Direct secondary alcohol fuel cellsExpiredMar 05, 02May 23, 06[H01M]
6869704 Enhancement of electrochemical cell performanceExpiredMar 05, 02Mar 22, 05[H01M]
2002/0090,329 Apparatus for a fuel processing systemAbandonedJul 31, 01Jul 11, 02[B01L, B01J]
6051331 Fuel cell platelet separators having coordinate featuresExpiredSep 28, 97Apr 18, 00[H01M]
5863671 Plastic platelet fuel cells employing integrated fluid managementExpiredMay 17, 95Jan 26, 99[H01M]
5858567 Fuel cells employing integrated fluid management platelet technologyExpiredMar 08, 96Jan 12, 99[H01M]
5690902 Hydrogen-powered automobile with in situ hydrogen generationExpiredJun 07, 95Nov 25, 97[C01B]
5683828 Metal platelet fuel cells production and operation methodsExpiredOct 31, 95Nov 04, 97[H01M]
5643352 Reactive iron material for use in a hydrogen-generating process in an electrical vehicleExpiredJun 07, 95Jul 01, 97[B22F]
5445904 Methods of making oxygen distribution members for fuel cellsExpiredMar 04, 94Aug 29, 95[H01M]
5292600 Hydrogen power cellExpiredAug 13, 92Mar 08, 94[H01M]

Top Inventors for This Owner

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