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Technologies

Intl Class Technology # of Patents Rank
 
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 3165
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 370
 
 
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 343
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 267
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2119
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 299
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 126
 
 
 
B44C PRODUCING DECORATIVE EFFECTS 133
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 162
 
 
 
B01D SEPARATION 092

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,366,821 Constant voltage fuel cell with improved reactant supply and control systemMar 13, 92Nov 22, 94[H01M]117
5,798,186 Method and apparatus for commencing operation of a fuel cell electric power generation system below the freezing temperature of waterJun 07, 96Aug 25, 98[H01M]106
6,057,054 Membrane electrode assembly for an electrochemical fuel cell and a method of making an improved membrane electrode assemblyJul 15, 98May 02, 00[H01M]91
6,080,503 Polymer electrolyte membrane fuel cells and stacks with adhesively bonded layersMar 26, 98Jun 27, 00[H01M]76
6,066,409 Electrochemical fuel cell stack with improved reactant manifolding and sealingJul 16, 98May 23, 00[H01M]73
5,789,091 Electrochemical fuel cell stack with compression bandsNov 19, 96Aug 04, 98[H01M]55
5,547,776 Electrochemical fuel cell stack with concurrently flowing coolant and oxidant streamsJun 24, 94Aug 20, 96[H01M]51
5,527,363 Method of fabricating an embossed fluid flow field plateDec 10, 93Jun 18, 96[H01M]50
5,422,411 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefromSep 21, 93Jun 06, 95[C08J, C08F]45
6,479,177 Method for improving the cold starting capability of an electrochemical fuel cellSep 27, 99Nov 12, 02[H01M]38

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2012/0148,929 METHODS OF OPERATING FUEL CELL STACKS AND SYSTEMSJun 03, 10Jun 14, 12[H01M]
2009/0258,256 SYSTEM AND METHOD OF STARTING A FUEL CELL SYSTEMApr 11, 08Oct 15, 09[H01M]
2009/0258,268 FUEL CELL SYSTEM WITH FUEL CELL STACK RECEPTACLEMar 24, 09Oct 15, 09[H01M]
2009/0220,828 SYSTEM AND METHOD FOR FUEL CELL START UPMar 13, 07Sep 03, 09[H01M]
2009/0208,803 FLOW FIELD FOR FUEL CELL AND FUEL CELL STACKFeb 19, 08Aug 20, 09[H01M]
2009/0186,248 FUEL CELL ANODE STRUCTURE FOR VOLTAGE REVERSAL TOLERANCEMar 09, 09Jul 23, 09[H01M]
2009/0162,726 COMPRESSION APPARATUS FOR FUEL CELL STACKDec 20, 07Jun 25, 09[H01M]
2009/0081,527 FUEL CELL SYSTEMSep 24, 07Mar 26, 09[H01M]
2009/0053,564 METHOD AND SYSTEM FOR OPERATING FUEL CELL STACKS TO REDUCE NON-STEADY STATE CONDITIONS DURING LOAD TRANSIENTSFeb 07, 08Feb 26, 09[H01M]
2009/0004,543 MEMBRANE ELECTRODE ASSEMBLIES FOR FUEL CELLS AND METHODS OF MAKINGJun 27, 07Jan 01, 09[H01M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,168,025 Methods of making components for electrochemical cellsApr 20, 07May 01, 12[B44C, B32B, B29C, H01M]
8,053,122 System and method of starting a fuel cell systemApr 11, 08Nov 08, 11[H01M]
7,964,315 Shutdown methods and designs for fuel cell stacksSep 10, 04Jun 21, 11[H01M]
7,955,739 Shutdown methods and designs for fuel cell stacksMar 13, 06Jun 07, 11[H01M]
7,784,770 Method for humidifying a reactant stream for a fuel cellJun 08, 06Aug 31, 10[B01F]
7,608,358 Fuel cell anode structure for voltage reversal toleranceMar 09, 09Oct 27, 09[H01M]
7,537,857 Reduced degradation of ion-exchange membranes in electrochemical fuel cellsDec 17, 03May 26, 09[H01M]
7,235,315 Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodesDec 16, 03Jun 26, 07[H01M]
7,226,689 Method of making a membrane electrode assembly for electrochemical fuel cellsJun 20, 03Jun 05, 07[H01M]
7,160,640 Fuel cell stack with passive end cell heaterJan 15, 03Jan 09, 07[H01M]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Wilkinson David P
North Vancouver, CA
19
Stone Charles
Vancouver, CA
12
Campbell Stephen A
Maple Ridge, CA
11
Ye Siyu
Burnaby, CA
10
Gallagher Emerson R
Vancouver, CA
8
Knights Shanna D
Burnaby, CA
8
Steck Alfred E
West Vancouver, CA
8
Haas Herwig R
Vancouver, CA
7
Fletcher Nicholas J
Vancouver, CA
6
Davis Michael T
Port Coquitlam, CA
5