C. Oakley Roberts

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Edon, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Double diaphragm pump including spool valve air motor
- Patent number 6,901,960
- Issue date Jun 7, 2005
- Ingersoll-Rand Company
- C. Oakley Roberts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Double diaphragm pump having a spool valve
- Patent number 6,901,961
- Issue date Jun 7, 2005
- Ingersoll-Rand Company
- C. Oakley Roberts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Double diaphragm pump including spool valve air motor
- Publication number 20040047748
- Publication date Mar 11, 2004
- Ingersoll-Rand Company
- C. Oakley Roberts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Double diaphragm pump having a spool valve
- Publication number 20040047749
- Publication date Mar 11, 2004
- Ingersoll-Rand Company, Woodcliff Lake, NJ
- C. Oakley Roberts
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...