Rongchang Xin

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Bristol, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure equalization system and method
- Patent number 6,823,686
- Issue date Nov 30, 2004
- Bristol Compressors, Inc.
- Eugene Chumley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressors for providing automatic capacity modulation and heat ex...
- Patent number 6,663,358
- Issue date Dec 16, 2003
- Bristol Compressors, Inc.
- Joe Frank Loprete
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Compressors for providing automatic capacity modulation and heat ex...
- Publication number 20020187057
- Publication date Dec 12, 2002
- Joe Frank Loprete
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Pressure equalization system and method
- Publication number 20020178741
- Publication date Dec 5, 2002
- Bristol Compressors, Inc.
- Eugene Chumley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...