PLUG POWER INC.

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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 11820
 
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 557
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 468
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3135
 
 
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 340
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3297
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2126
 
 
 
B01D SEPARATION 193
 
 
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 120
 
 
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL149

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
6,219,623 Anti-islanding method and apparatus for distributed power generationNov 24, 98Apr 17, 01[G01R, H02M, H02J]112
5,985,474 Integrated full processor, furnace, and fuel cell system for providing heat and electrical power to a buildingAug 26, 98Nov 16, 99[H01M]112
6,280,865 Fuel cell system with hydrogen purification subsystemSep 24, 99Aug 28, 01[H01M]75
5,981,098 Fluid flow plate for decreased density of fuel cell assemblyAug 28, 97Nov 09, 99[H01M]57
6,329,090 Enthalpy recovery fuel cell systemSep 03, 99Dec 11, 01[H01M]56
5,858,569 Low cost fuel cell stack designMar 21, 97Jan 12, 99[H01M]53
6,284,399 Fuel cell system having humidification membranesSep 17, 99Sep 04, 01[H01M]49
6,007,933 Fuel cell assembly unit for promoting fluid service and electrical conductivityApr 27, 98Dec 28, 99[H01M, C25B]49
5,945,232 PEM-type fuel cell assembly having multiple parallel fuel cell sub-stacks employing shared fluid plate assemblies and shared membrane electrode assembliesApr 03, 98Aug 31, 99[H01M]46
6,322,917 Diagnostic method and control of preferential oxidation of carbon monoxideSep 27, 99Nov 27, 01[H01M]39

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0108,895 METHOD TO CONTROL CURRENT IN A FUEL CELL SYSTEMOct 31, 12May 02, 13[H01M, H02J]
2010/0285,379 Transitioning an electrochemical cell stack between a power producing mode and a pumping modeNov 13, 07Nov 11, 10[H01M]
2010/0209,795 POWER SUBSYSTEM FOR A FUEL CELL SYSTEMOct 31, 01Aug 19, 10[H01M]
2010/0035,098 Using chemical shorting to control electrode corrosion during the startup or shutdown of a fuel cellAug 06, 08Feb 11, 10[H01M]
2010/0015,474 Adaptive Technique and Apparatus to Detect an Unhealthy Condition of a Fuel Cell SystemJul 18, 08Jan 21, 10[H01M]
2008/0152,961 Purging a fuel cell systemDec 22, 06Jun 26, 08[H01M]
2008/0152,962 Controlling oxidant flow to a reactor of a fuel cell systemDec 22, 06Jun 26, 08[H01M]
2008/0152,963 Estimating fuel flow in a fuel cell systemDec 22, 06Jun 26, 08[H01M]
2008/0152,964 Technique and apparatus to regulate a reactant stoichiometric ratio of a fuel cell systemDec 22, 06Jun 26, 08[H01M]
2008/0152,965 Technique and apparatus to determine an initial reactant stoichiometric ratio for a fuel cell systemDec 22, 06Jun 26, 08[H01M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,158,290 Recovering a reactant from a fuel cell exhaust flowApr 20, 07Apr 17, 12[H01M]
8,134,613 Image processing apparatus and method, and image pickup apparatusApr 01, 02Mar 13, 12[H04N, G06K]
8,129,057 High efficiency fuel cell systemDec 06, 05Mar 06, 12[H01M]
7,976,990 High efficiency fuel cell systemDec 06, 05Jul 12, 11[H01M]
7,951,498 Method and apparatus for controlling an integrated fuel cell systemAug 14, 06May 31, 11[G01R, H01M]
7,915,854 Maximizing energy storage life in a fuel cell system using active temperature compensationDec 16, 05Mar 29, 11[H01M]
7,892,689 Pressure relief control system for a fuel cell system having a pressurized fuel flowJun 28, 07Feb 22, 11[H01M]
7,862,947 Fault management in a fuel cell-based systemJun 28, 07Jan 04, 11[H01M]
7,851,096 Humidifying a reactant flow of a fuel cell systemDec 27, 05Dec 14, 10[H01M]
7,691,507 Combination fuel cell and ion pump, and methods and infrastructure systems employing sameJul 09, 07Apr 06, 10[H01M]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Ballantine Arne W
Round Lake, NY
28
Walsh Michael M
Fairfield, CT
22
Skidmore Dustan L
Latham, NY
20
McElroy James F
Suffield, CT
16
Parks John W
Glenville, NY
16
Hallum Ryan
Latham, NY
15
Jones Daniel O
Glenville, NY
15
Ballantine Arne W.
Not Provided
14
Cutright Richard H
Corinth, NY
10
Carlstrom Jr Charles M
Clifton Park, NY
9