Edward J. Zisk

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Kingwood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic stepping valve actuated sliding sleeve
- Patent number 6,782,952
- Issue date Aug 31, 2004
- Baker Hughes Incorporated
- Thomas W. Garay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sand screen with active flow control and associated method of use
- Patent number 6,622,794
- Issue date Sep 23, 2003
- Baker Hughes Incorporated
- Edward J. Zisk
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic stepping valve actuated sliding sleeve
- Publication number 20040069491
- Publication date Apr 15, 2004
- BAKER HUGHES INCORPORATED
- Thomas W. Garay
- E21 - EARTH DRILLING MINING
Information Patent Application
Optical position sensing for well control tools
- Publication number 20030127232
- Publication date Jul 10, 2003
- BAKER HUGHES INCORPORATED
- Terry R. Bussear
- E21 - EARTH DRILLING MINING
Information Patent Application
Fiber optic monitoring of flow inside and outside a tube downhole
- Publication number 20030126921
- Publication date Jul 10, 2003
- Edward J. Zisk
- E21 - EARTH DRILLING MINING
Information Patent Application
Remote closed system hydraulic actuator system
- Publication number 20030034899
- Publication date Feb 20, 2003
- Edward J. Zisk
- E21 - EARTH DRILLING MINING
Information Patent Application
Sand screen with active flow control
- Publication number 20020108755
- Publication date Aug 15, 2002
- BAKER HUGHES INCORPORATED
- Edward J. Zisk
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of providing hydraulic/fiber conduits adjacent bottom hole a...
- Publication number 20020007948
- Publication date Jan 24, 2002
- Christian F. Bayne
- E21 - EARTH DRILLING MINING