NUCELLSYS GMBH
Patent Owner
Stats
- 58 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 12, 2015 most recent publication
Details
- 58 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 3,237 Total Citation Count
- May 27, 1994 Earliest Filing
- 158 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
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]
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]
Expired/Abandoned/Withdrawn Patents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]
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]
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]
2008/0020,249 Water Filter For An Electrochemical Fuel Cell SystemAbandonedJul 10, 07Jan 24, 08[H01M]
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]
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