PLUG POWER INC.

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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 9969
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 4116
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 262
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 192
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9673462 Fuel cell-vehicle communications systems and methodsDec 20, 12Jun 06, 17[H01M, B60L]
8771884 Reactant conditioning scheme for fuel cell systemsDec 21, 12Jul 08, 14[H01M]
7951498 Method and apparatus for controlling an integrated fuel cell systemAug 14, 06May 31, 11[H01M, G01R]
7915854 Maximizing energy storage life in a fuel cell system using active temperature compensationDec 16, 05Mar 29, 11[H01M]
7892689 Pressure relief control system for a fuel cell system having a pressurized fuel flowJun 28, 07Feb 22, 11[H01M]
7862947 Fault management in a fuel cell-based systemJun 28, 07Jan 04, 11[H01M]
7851096 Humidifying a reactant flow of a fuel cell systemDec 27, 05Dec 14, 10[H01M]
7691507 Combination fuel cell and ion pump, and methods and infrastructure systems employing sameJul 09, 07Apr 06, 10[H01M]
7531259 Fuel cell cooling and water management systemJun 28, 07May 12, 09[H01M]
7514165 Fuel cell system fluid recoveryMay 05, 03Apr 07, 09[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0108,895 METHOD TO CONTROL CURRENT IN A FUEL CELL SYSTEMAbandonedOct 31, 12May 02, 13[H02J, H01M]
8158290 Recovering a reactant from a fuel cell exhaust flowExpiredApr 20, 07Apr 17, 12[H01M]
8134613 Image processing apparatus and method, and image pickup apparatusExpiredApr 01, 02Mar 13, 12[H04N, G06K]
8129057 High efficiency fuel cell systemExpiredDec 06, 05Mar 06, 12[H01M]
7976990 High efficiency fuel cell systemExpiredDec 06, 05Jul 12, 11[H01M]
2010/0285,379 Transitioning an electrochemical cell stack between a power producing mode and a pumping modeAbandonedNov 13, 07Nov 11, 10[H01M]
2010/0209,795 POWER SUBSYSTEM FOR A FUEL CELL SYSTEMAbandonedOct 31, 01Aug 19, 10[H01M]
2010/0035,098 Using chemical shorting to control electrode corrosion during the startup or shutdown of a fuel cellAbandonedAug 06, 08Feb 11, 10[H01M]
2010/0015,474 Adaptive Technique and Apparatus to Detect an Unhealthy Condition of a Fuel Cell SystemAbandonedJul 18, 08Jan 21, 10[H01M]
7521146 Switching modes of operation of a fuel cellExpiredDec 27, 05Apr 21, 09[C25B, H01M]
7479335 Anode humidificationExpiredJun 28, 07Jan 20, 09[H01M]
7477505 Capacitor bank for electrical generatorExpiredJun 30, 06Jan 13, 09[H01G]
7396611 Fuel cell catalyst layerExpiredDec 15, 03Jul 08, 08[H01M]
2008/0152,961 Purging a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,962 Controlling oxidant flow to a reactor of a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,963 Estimating fuel flow in a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,964 Technique and apparatus to regulate a reactant stoichiometric ratio of a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,965 Technique and apparatus to determine an initial reactant stoichiometric ratio for a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,968 Controlling oxidant flows in a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]
2008/0152,969 Detecting and controlling a fuel-rich condition of a reactor in a fuel cell systemAbandonedDec 22, 06Jun 26, 08[H01M]

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