Christopher Crawford

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Dublin, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for transmitting parallelization signals of uninterruptible...
- Patent number 8,290,103
- Issue date Oct 16, 2012
- Liebert Corporation
- Yihang Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modular uninterruptible power supply
- Patent number 7,453,235
- Issue date Nov 18, 2008
- Liebert Corporation
- Charles F Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular uninterruptible power supply battery management
- Patent number 6,700,351
- Issue date Mar 2, 2004
- Liebert Corporation
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TRANSMITTING PARALLELIZATION SIGNALS OF UNINTERRUPTIBLE...
- Publication number 20100239028
- Publication date Sep 23, 2010
- Yihang Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULAR UNINTERRUPTIBLE POWER SUPPLY
- Publication number 20040160214
- Publication date Aug 19, 2004
- LIEBERT CORPORATION
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Modular uninterruptible power supply
- Publication number 20010033502
- Publication date Oct 25, 2001
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER