Charles E. Zimmerman

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Bristol, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure equalization system
- Patent number 7,260,951
- Issue date Aug 28, 2007
- Bristol Compressors International, Inc.
- David T. Monk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
Pressure equalization system and method
- Patent number 6,584,791
- Issue date Jul 1, 2003
- Bristol Compressors, Inc.
- David T. Monk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Pressure equalization system
- Publication number 20050066673
- Publication date Mar 31, 2005
- Bristol Compressors, Inc.
- David T. Monk
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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...
Information Patent Application
Pressure equalization system and method
- Publication number 20020144511
- Publication date Oct 10, 2002
- Bristol Compressors, Inc.
- David T. Monk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...