BALLARD POWER SYSTEMS CORPORATION

Patent Applications and Registrations

Patent applications and USPTO patent grants for BALLARD POWER SYSTEMS CORPORATION.The latest application filed is for "method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation".

Company Profile

0.52.42

BALLARD POWER SYSTEMS CORPORATION - 15001 Commerce Drive North Dearborn MI
Ballard Power Systems Corporation - Dearborn MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Method And Apparatus For Adjusting Wakeup Time In Electrical Power Converter Systems And Transformer Isolation App 20080013347 - Deng; Duo ; et al.	2008-01-17
Method and apparatus for determining a maximum power point of photovoltaic cells Grant 7,256,566 - Bhavaraju , et al. August 14, 2	2007-08-14
Leadframe-based module DC bus design to reduce module inductance Grant 7,193,860 - Parkhill , et al. March 20, 2	2007-03-20
Method and apparatus for improving speed measurement quality in multi-pole machines Grant 7,190,145 - Grand , et al. March 13, 2	2007-03-13
Leadframe-based module DC bus design to reduce module inductance Grant 7,187,558 - Parkhill , et al. March 6, 2	2007-03-06
Encoder failure detection Grant 7,178,412 - Nallapa February 20, 2	2007-02-20
Power converter Grant 7,180,763 - Patwardhan , et al. February 20, 2	2007-02-20
System and method for unbalanced independent AC phase voltage control of a 3-phase, 4-wire output DC/AC inverter Grant 7,177,165 - Deng , et al. February 13, 2	2007-02-13
Method and apparatus for tracking maximum power point for inverters, for example, in photovoltaic applications Grant 7,158,395 - Deng , et al. January 2, 2	2007-01-02
Tri-level inverter App 20060274561 - Ahmed; Sayeed ; et al.	2006-12-07
Devices and methods for detecting islanding operation of a static power source Grant 7,106,564 - Deng , et al. September 12, 2	2006-09-12
Rotor assembly for a permanent magnet power electric machine Grant 7,098,569 - Ong , et al. August 29, 2	2006-08-29
Method, apparatus and article for motor control voltage dropout detection Grant 7,084,588 - Hampo , et al. August 1, 2	2006-08-01
Method for determining RMS values for grid-linked converters Grant 7,071,759 - Tuladhar July 4, 2	2006-07-04
EEPROM emulation in flash memory Grant 7,058,755 - Nallapa June 6, 2	2006-06-06
Architecture for power modules such as power inverters Grant 7,046,535 - Rodriguez , et al. May 16, 2	2006-05-16
Method and apparatus for cycle error correction for a power converter device, such as an electronic power inverter App 20060072263 - Deng; Duo ; et al.	2006-04-06
Power converter employing a planar transformer Grant 7,019,996 - Zhu , et al. March 28, 2	2006-03-28
Direct current/direct current converter for a fuel cell system Grant 7,014,928 - Kambouris , et al. March 21, 2	2006-03-21
Integrated traction inverter module and DC/DC converter Grant 7,012,822 - Zhu , et al. March 14, 2	2006-03-14
Leadframe-based module DC bus design to reduce module inductance Grant 7,012,810 - Parkhill , et al. March 14, 2	2006-03-14
Dual power module power system architecture Grant 6,987,670 - Ahmed , et al. January 17, 2	2006-01-17
System and method for unbalanced independent AC phase voltage control of a 3-phase, 4-wire output DC/AC inverter App 20050281067 - Deng, Duo ; et al.	2005-12-22
Interleaved power converter App 20050270806 - Zhu, Lizhi	2005-12-08
Power converter system Grant 6,940,735 - Deng , et al. September 6, 2	2005-09-06
Device and method of commutation control for an isolated boost converter Grant 6,937,483 - Zhu , et al. August 30, 2	2005-08-30
Method and apparatus for motor control Grant 6,936,991 - Chen , et al. August 30, 2	2005-08-30
Method and apparatus for measuring fault diagnostics on insulated gate bipolar transistor converter circuits Grant 6,927,988 - Cheng , et al. August 9, 2	2005-08-09
Hybrid synchronization phase angle generation method Grant 6,919,650 - Deng July 19, 2	2005-07-19
Assembly and method for direct cooling of motor end-winding Grant 6,914,354 - Seniawski , et al. July 5, 2	2005-07-05
Power module with heat exchange App 20050128706 - Maly, Douglas K. ; et al.	2005-06-16
Power module with voltage overshoot limiting Grant 6,906,404 - Maly , et al. June 14, 2	2005-06-14
Ride through in electronic power converters Grant 6,900,643 - Deng , et al. May 31, 2	2005-05-31
Power converter system App 20050105306 - Deng, Duo ; et al.	2005-05-19
Circuit configuration for permanent magnet synchronous motor control Grant 6,894,450 - Cheng , et al. May 17, 2	2005-05-17
Three-phase connector for electric vehicle drivetrain Grant 6,890,218 - Patwardhan , et al. May 10, 2	2005-05-10
Power converter employing a planar transformer App 20050083714 - Zhu, Lizhi ; et al.	2005-04-21
Methods and systems for electric machines having windings App 20050057106 - Allen, Timothy J. ; et al.	2005-03-17
Multilevel inverter control schemes Grant 6,867,987 - Cheng , et al. March 15, 2	2005-03-15
EEPROM emulation in flash memory App 20050055496 - Nallapa, Venkatapathi R.	2005-03-10
Method and system for non-invasive power transistor die voltage measurement Grant 6,861,835 - Maly , et al. March 1, 2	2005-03-01
Ride through in electronic power converters App 20050030045 - Deng, Duo ; et al.	2005-02-10
Anti-islanding device and method for grid connected inverters using random noise injection Grant 6,853,940 - Tuladhar February 8, 2	2005-02-08
Method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation App 20050018454 - Deng, Duo ; et al.	2005-01-27
Substrate-level DC bus design to reduce module inductance Grant 6,845,017 - Ahmed , et al. January 18, 2	2005-01-18
Overmodulation systems and methods for induction motor control Grant 6,844,701 - Chen , et al. January 18, 2	2005-01-18
Power converter system Grant 6,845,020 - Deng , et al. January 18, 2	2005-01-18
Apparatus and method to achieve multiple effective ratios from a fixed ratio transaxle Grant 6,843,749 - Kelledes , et al. January 18, 2	2005-01-18
Method and apparatus for tracking maximum power point for inverters, for example, in photovoltaic applications App 20050002214 - Deng, Duo ; et al.	2005-01-06
Method and apparatus for determining a maximum power point of photovoltaic cells App 20040264225 - Bhavaraju, Vijay ; et al.	2004-12-30
Multilevel inverter control schemes App 20040252531 - Cheng, Bing ; et al.	2004-12-16
Method for determining RMS values for grid-linked converters App 20040249876 - Tuladhar, Anil	2004-12-09
Power module with voltage overshoot limiting App 20040227231 - Maly, Douglas K. ; et al.	2004-11-18
Dual power module power system architecture App 20040228094 - Ahmed, Sayeed ; et al.	2004-11-18
Power converter architecture employing at least one capacitor across a DC bus App 20040230847 - Patwardhan, Ajay V. ; et al.	2004-11-18
Systems and methods for electric motor control Grant 6,815,925 - Chen , et al. November 9, 2	2004-11-09
Rotor assembly of synchronous machine App 20040217666 - Mellor, Philip H. ; et al.	2004-11-04
Press (non-soldered) contacts for high current electrical connections in power modules Grant 6,793,502 - Parkhill , et al. September 21, 2	2004-09-21
Start-up circuit for power converters with controller power supply connected at output side Grant 6,778,411 - Huang August 17, 2	2004-08-17
Method and system for non-invasive power transistor die voltage measurement App 20040104718 - Maly, Douglas K.	2004-06-03
Electric machine with cooling rings Grant 6,744,158 - Liang , et al. June 1, 2	2004-06-01
Apparatus and method employing bi-directional converter for charging and/or supplying power App 20040062059 - Cheng, Bing ; et al.	2004-04-01
Dead-time compensation with narrow pulse elimination in solid- state switch devices Grant 6,714,424 - Deng , et al. March 30, 2	2004-03-30
System and method for induction motor control Grant 6,707,270 - Chen , et al. March 16, 2	2004-03-16
Active ground current reduction device App 20040047092 - West, Orrin B.	2004-03-11
Method and apparatus for high performance permanent magnet motor speed control with limited position information Grant 6,700,342 - Hampo , et al. March 2, 2	2004-03-02
Dead-time Compensation With Narrow Pulse Elimination In Solid-switch Devices App 20040037097 - Deng, Doug D. ; et al.	2004-02-26
Method and apparatus for motor control App 20040036434 - Chen, Li ; et al.	2004-02-26
Three-phase connector for electric vehicle drivetrain App 20040033729 - Patwardhan, Ajay V. ; et al.	2004-02-19
Method and apparatus for measuring fault diagnostics on insulated gate bipolar transistor converter circuits App 20040034508 - Cheng, Bing ; et al.	2004-02-19
Power converter system App 20040027839 - Deng, Duo ; et al.	2004-02-12
Process for the optimization of the design of an electric power train App 20040015255 - Davis, Roy I.	2004-01-22
Hybrid synchronization phase angle generation method App 20030222507 - Deng, Doug D.	2003-12-04
Circuit configuration for permanent magnet synchronous motor control App 20030214266 - Cheng, Bing ; et al.	2003-11-20
Integrated traction inverter module and DC/DC converter App 20030214826 - Zhu, Lizhi ; et al.	2003-11-20
Active ground current reduction device Grant 6,646,837 - West November 11, 2	2003-11-11
Jet impingement cooling of electric motor end-windings Grant 6,639,334 - Chen , et al. October 28, 2	2003-10-28
Device and method of commutation control for an isolated boost converter App 20030198064 - Zhu, Lizhi ; et al.	2003-10-23
EMI reduction in power modules through the use of integrated capacitors on the substrate level Grant 6,636,429 - Maly , et al. October 21, 2	2003-10-21
Series regenerative braking torque control systems and methods Grant 6,631,960 - Grand , et al. October 14, 2	2003-10-14
System and method for induction motor control Grant 6,630,809 - Chen , et al. October 7, 2	2003-10-07
Assembly and method for direct cooling of motor end-winding App 20030173840 - Seniawski, David ; et al.	2003-09-18
Overmodulation systems and methods for induction motor control App 20030164028 - Chen, Li ; et al.	2003-09-04
Method and apparatus for improving speed measurement quality in multi-pole machines App 20030164692 - Grand, Kerry E. ; et al.	2003-09-04
Anti-islanding device and method for grid connected inverters using random noise injection App 20030165036 - Tuladhar, Anil	2003-09-04
Apparatus and method to achieve multiple effective ratios from a fixed ratio transaxle App 20030155165 - Kelledes, William ; et al.	2003-08-21
Direct current/direct current converter for a fuel cell system App 20030157379 - Kambouris, Christos A. ; et al.	2003-08-21
Device and method for detecting islanding operation of a static power source App 20030147191 - Deng, Duo ; et al.	2003-08-07
Power converter system Grant 6,603,672 - Deng , et al. August 5, 2	2003-08-05
Three-phase connector for electric vehicle drivetrain Grant 6,572,416 - Patwardhan , et al. June 3, 2	2003-06-03
Method and apparatus for high performance permanent magnet motor speed control with limited position information App 20030030395 - Hampo, Richard J. ; et al.	2003-02-13
Integrated traction inverter module and bi-directional DC/DC converter Grant 6,496,393 - Patwardhan December 17, 2	2002-12-17
Leadframe-based module DC bus design to reduce module inductance App 20020167828 - Parkhill, Scott ; et al.	2002-11-14
Method of current interaction in an electric motor drive system having a load-dependent current generating system Grant 6,452,352 - Farkas September 17, 2	2002-09-17

Company Registrations

NCAGE Code	3C801	BALLARD POWER SYSTEMS CORP!DBA FOREIGN PARENT IS BALLARD POWER!SYSTEMS INC VANCOUVER CAN DIV!BALLARD POWER SYSTEMS CORPORATION
CAGE Code	3C801	BALLARD POWER SYSTEMS CORP BALLARD POWER SYSTEMS CORPORATION

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