Donald R. Pennington

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Kingston, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Fan assembly and method
- Patent number 6,942,457
- Issue date Sep 13, 2005
- Revcor, Inc.
- Donald R. Pennington
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fan blade
- Patent number 6,814,545
- Issue date Nov 9, 2004
- Revcor, Inc.
- Richard G. Hext
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Fan assembly and method
- Publication number 20080226456
- Publication date Sep 18, 2008
- Donald R. Pennington
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Fan blade assembly
- Publication number 20070122287
- Publication date May 31, 2007
- Donald R. Pennington
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fan assembly and method
- Publication number 20060088418
- Publication date Apr 27, 2006
- Revcor, Inc.
- Donald R. Pennington
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Fan blade
- Publication number 20050123404
- Publication date Jun 9, 2005
- Revcor, Inc.
- Richard G. Hext
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fan assembly and method
- Publication number 20040101407
- Publication date May 27, 2004
- Donald R. Pennington
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Fan blade
- Publication number 20030223875
- Publication date Dec 4, 2003
- Richard G. Hext
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...