Ke Liu

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London, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for determining electronic commutation in brushle...
- Patent number 6,850,022
- Issue date Feb 1, 2005
- Siemens VDO Automotive Inc.
- Ke Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed-based open-loop start-up method for brushless DC motor
- Patent number 6,803,735
- Issue date Oct 12, 2004
- Siemens VDO Automotive Inc.
- Ke Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current limitation process of brush and brushless DC motors during...
- Patent number 6,801,009
- Issue date Oct 5, 2004
- Siemens VDO Automotive Inc.
- John Edward Makaran
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
12/42 volt DC brush motor control system
- Patent number 6,798,162
- Issue date Sep 28, 2004
- Siemens VDO Automotive Inc.
- John Makaran
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method and system for determining electronic commutation in brushle...
- Publication number 20040135530
- Publication date Jul 15, 2004
- Siemens VDO Automotive Inc.
- Ke Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Current limitation process of brush and brushless DC motors during...
- Publication number 20040100216
- Publication date May 27, 2004
- Siemens VDO Automative Inc.
- John Edward Makaran
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Speed-based open-loop start-up method for brushless DC motor
- Publication number 20040061467
- Publication date Apr 1, 2004
- Ke Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
12/42 Volt DC brush motor control system
- Publication number 20040012356
- Publication date Jan 22, 2004
- John Makaran
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER