BALLARD POWER SYSTEMS INC. (CANADIAN CORP. NO. 7076991)

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 21133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7632583 Apparatus for improving the performance of a fuel cell electric power systemMay 06, 03Dec 15, 09[H01M]
7488551 Integrated current collector and electrical component plate for a fuel cell stackDec 28, 04Feb 10, 09[H01M]
6936370 Solid polymer fuel cell with improved voltage reversal toleranceAug 22, 00Aug 30, 05[H01M]
6861167 Fuel cell resuscitation method and apparatusJul 25, 01Mar 01, 05[H01M]
6838923 Power supply and ultracapacitor based battery simulatorMay 16, 03Jan 04, 05[H03K]
6573682 Fuel cell system multiple stage voltage control method and apparatusDec 14, 01Jun 03, 03[H02J]
6472090 Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvationJun 25, 99Oct 29, 02[H01M]
6416895 Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant streamMar 09, 00Jul 09, 02[H01M]
D455398 Portable electric power sourceJul 12, 00Apr 09, 02[1302]
6284397 Rotary piston blower for supplying an oxidant stream to a fuel cellMay 27, 99Sep 04, 01[H01M]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
H002241 Fuel cell electric power generating systemExpiredDec 03, 04Jun 01, 10[H01M]
2009/0220,827 Monitoring fuel cells using rfid devicesAbandonedDec 16, 04Sep 03, 09[H01M]
2009/0208,781 METHOD FOR OPERATING A FUEL CELL SYSTEMAbandonedFeb 19, 08Aug 20, 09[H01M]
2009/0130,500 METHOD OF OPERATING A FUEL CELL STACK AT LOW PRESSURE AND LOW POWER CONDITIONSAbandonedMay 13, 08May 21, 09[H01M]
7521138 Apparatus and method for hybrid power module systemsExpiredJun 23, 04Apr 21, 09[H01M]
2008/0286,614 METHOD AND APPARATUS FOR FUEL CELL SYSTEMSAbandonedAug 01, 08Nov 20, 08[H01M]
7419734 Method and apparatus for fuel cell systemsExpiredMay 16, 03Sep 02, 08[H01M]
2008/0102,322 METHOD AND APPARATUS FOR IMPROVING THE PERFORMANCE OF A FUEL CELL ELECTRIC POWER SYSTEMAbandonedJan 07, 08May 01, 08[H02J, H01M]
2007/0087,231 METHOD AND APPARATUS FOR MULTIPLE MODE CONTROL OF VOLTAGE FROM A FUEL CELL SYSTEMAbandonedNov 09, 06Apr 19, 07[H02J, H01M]
7144646 Method and apparatus for multiple mode control of voltage from a fuel cell systemExpiredDec 14, 01Dec 05, 06[H01M]
7087327 Electric power plant with adjustable array of fuel cell systemsExpiredMay 16, 03Aug 08, 06[H01M]
2006/0172,162 Electric power plant with adjustable array of fuel cell systemsAbandonedMar 29, 06Aug 03, 06[H01M]
7041404 Passive control of fuel concentration in a liquid feed fuel cellExpiredJun 27, 03May 09, 06[H01M]
6969561 Fuel cell ambient environment monitoring and control apparatus and methodExpiredJul 14, 04Nov 29, 05[H01M]
6960401 Fuel cell purging method and apparatusExpiredJul 25, 01Nov 01, 05[H01M]
6953630 Fuel cell anomaly detection method and apparatusExpiredJul 25, 01Oct 11, 05[H01M]
6783878 Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant streamExpiredDec 19, 01Aug 31, 04[H01M]
6777116 Direct dimethyl ether fuel cellsExpiredFeb 24, 99Aug 17, 04[H01M]
6759016 Compact multiple tube steam reformerExpiredNov 26, 01Jul 06, 04[B01J]
6739578 Coupling mechanism and valve system for a pressurized fluid containerExpiredJul 30, 01May 25, 04[F16K, F16L]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.