NUCELLSYS GMBH

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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 30124
 
  
 
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 984
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 373
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9028991 Fuel cell system with variable Coanda amplifiers for gas recirculation and system pressure regulationFeb 11, 05May 12, 15[H01M, F15C]
9029037 Fuel cell system with a liquid separatorOct 17, 05May 12, 15[H01M]
8841040 Method to cold-start fuel cell system at sub-zero temperaturesFeb 04, 05Sep 23, 14[H01M]
8043755 Fuel cell based power generation systems and methods of operating the sameApr 22, 05Oct 25, 11[H01M]
7709977 Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical networkAug 18, 05May 04, 10[H02J, H01H, H02H]
7477049 Method for controlling the quality of the coolant for fuel cell systemsOct 26, 04Jan 13, 09[H01M, G01N]
7340437 Circuit configuration and method for identifying error situations in interconnected systemsSep 24, 03Mar 04, 08[G06F]
7317316 Apparatus and method for measuring the insulation resistance of a fuel cell systemJun 29, 05Jan 08, 08[H01H]
7303831 Antifreeze cooling subsystemJun 10, 04Dec 04, 07[H01M]
7214437 Method for electrically starting up a fuel cellNov 05, 01May 08, 07[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0311,891 Fuel Cell Based Power Generation Systems and Methods of Operating the SameAbandonedAug 29, 11Dec 22, 11[H01M]
2009/0220,830 ANODE SUPPLY SYSTEM FOR A FUEL CELL STACK AND A METHOD OF PURGING THE SAMEAbandonedFeb 28, 06Sep 03, 09[H01M]
7494517 Device and process for producing a device for the catalytic generation of hydrogen from hydrocarbonsExpiredApr 15, 05Feb 24, 09[C01B, B28B, B29C, B28C, C10J, B27N]
7481984 System for heating and/or converting at least one mediumExpiredSep 15, 00Jan 27, 09[B01J]
7449259 Power converter architecture and method for integrated fuel cell based power suppliesExpiredSep 04, 03Nov 11, 08[H01M]
7422809 Method and apparatus for regulating electrical power output of a fuel cell systemExpiredAug 19, 02Sep 09, 08[H01M]
7413820 Fuel cell system with recombinerExpiredOct 11, 02Aug 19, 08[H01M]
7405016 Apparatus for supplying an oxygen-containing gas to a fuel cell systemExpiredAug 28, 02Jul 29, 08[H01M]
7395854 Systems and methods for controlling cooling fluid temperature in a fuel cell engineExpiredJul 23, 04Jul 08, 08[B60H]
7387983 Methanol reforming catalyst having a reduced volume shrinkageExpiredJul 05, 05Jun 17, 08[B01J]
7377950 Method for operating a plant for the steam reforming of hydrocarbons and corresponding plantExpiredOct 29, 01May 27, 08[C01B]
7378066 Device for carrying out a heterogeneously catalyzed reaction and method for producing a catalystExpiredMay 15, 03May 27, 08[B01D]
7341610 Fuel cell system having two reformation reactors and method for operating sameExpiredJun 03, 05Mar 11, 08[C10J]
RE40060 Fuel cell systemExpiredFeb 04, 05Feb 12, 08[H01M]
2008/0020,249 Water Filter For An Electrochemical Fuel Cell SystemAbandonedJul 10, 07Jan 24, 08[H01M]
7304397 Fuel cell systemExpiredJul 14, 03Dec 04, 07[H02K]
2007/0204,984 Coolant circuit and method of cooling a fuel cell stackAbandonedFeb 05, 07Sep 06, 07[B60H]
2007/0184,319 Method and apparatus for controlling the differential pressure in a fuel cellAbandonedFeb 05, 07Aug 09, 07[H01M]
2007/0184,321 Compression device for a fuel cell stackAbandonedFeb 05, 07Aug 09, 07[H01M]
7250230 Water filter for an electrochemical fuel cell systemExpiredAug 23, 04Jul 31, 07[C02F]

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