Energy Research 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 5149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5580673 Carbonate fuel cell matrixOct 06, 94Dec 03, 96[H01M]
5558948 Fuel cell anode and fuel cellNov 09, 94Sep 24, 96[H01M]
5554453 Carbonate fuel cell system with thermally integrated gasificationJan 04, 95Sep 10, 96[H01M]
5422195 Carbonate fuel cell with direct recycle of anode exhaust to cathodeMay 04, 94Jun 06, 95[H01M]
5175062 Reforming unit for fuel cell stackJan 30, 91Dec 29, 92[H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6410161 Metal-ceramic joint assemblyExpiredApr 15, 99Jun 25, 02[B21D]
5904010 Elastomeric seismic isolation bearing and methodExpiredJun 10, 97May 18, 99[E04H]
5698337 Process for preparing a separator plate for a melt carbonate fuel cell and separator plate prepared according to this processExpiredAug 09, 96Dec 16, 97[H01M]
5625241 Carousel electric generatorExpiredJul 28, 94Apr 29, 97[H02K]
5110692 Gasket for molten carbonate fuel cellExpiredAug 20, 90May 05, 92[H01M]
5084362 Internal reforming molten carbonate fuel cell system with methane feedExpiredAug 29, 90Jan 28, 92[H01M]
5041159 Porous nickel plaque fabricationExpiredFeb 13, 89Aug 20, 91[C22C]
4917971 Internal reforming fuel cell system requiring no recirculated cooling and providing a high fuel process gas utilizationExpiredMar 03, 89Apr 17, 90[H01M]
4877693 Fuel cell apparatus for internal reformingExpiredDec 02, 87Oct 31, 89[H01M]
4797379 Electrode structure and method of making sameExpiredSep 20, 85Jan 10, 89[H01M]
4791033 Fuel cell systemExpiredMar 28, 88Dec 13, 88[H01M]
4788110 Fuel cell with partially shielded internal reformerExpiredOct 20, 87Nov 29, 88[H01M]
4772634 Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizerExpiredJul 31, 86Sep 20, 88[C07C, B01J]
4746329 Methanol fuel reformerExpiredNov 26, 86May 24, 88[B01J]
4716023 Composite partial oxidizer and reformerExpiredNov 13, 86Dec 29, 87[B01J]
4713303 Fuel cell apparatus with rapid start-upExpiredFeb 24, 87Dec 15, 87[H01M]
4689280 Fuel cell stack end plate structureExpiredFeb 20, 86Aug 25, 87[H01M]
4620914 Apparatus for purifying hydrogenExpiredJul 02, 85Nov 04, 86[C25F]
4588659 Fuel vaporizerExpiredDec 11, 84May 13, 86[H01M, C10J]
4585708 Fuel cell system with premixing of water miscible hydrocarbon fuel and waterExpiredJun 11, 85Apr 29, 86[H01M]

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