Roger D. Stair

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Claremore, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Submersible pump for operation in sandy environments, diffuser asse...
- Patent number 8,556,580
- Issue date Oct 15, 2013
- Baker Hughes Incorporated
- Roger D. Stair
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Passive gas separator for progressing cavity pumps
- Patent number 7,798,211
- Issue date Sep 21, 2010
- Baker Hughes Incorporated
- Donn J. Brown
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Submersible Pump for Operation In Sandy Environments, Diffuser Asse...
- Publication number 20110194926
- Publication date Aug 11, 2011
- BAKER HUGHES INCORPORATED
- Roger D. Stair
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PASSIVE GAS SEPARATOR FOR PROGRESSING CAVITY PUMPS
- Publication number 20090288818
- Publication date Nov 26, 2009
- BAK
- Donn J. Brown
- E21 - EARTH DRILLING MINING