Kevin R. Plunkett

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Broken Arrow, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-stage pressure equalization valve assembly for subterranean v...
- Patent number 8,534,361
- Issue date Sep 17, 2013
- Baker Hughes Incorporated
- Kevin R. Plunkett
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Dual acting rod piston control system
- Patent number 8,261,835
- Issue date Sep 11, 2012
- Baker Hughes Incorporated
- Kevin R. Plunkett
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Multi-stage Pressure Equalization Valve Assembly for Subterranean V...
- Publication number 20110079394
- Publication date Apr 7, 2011
- Kevin R. Plunkett
- E21 - EARTH DRILLING MINING
Information Patent Application
Dual Acting Rod Piston Control System
- Publication number 20100314120
- Publication date Dec 16, 2010
- Kevin R. Plunkett
- E21 - EARTH DRILLING MINING