Neil Herst

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Fingerboard with pneumatically actuated finger latches
- Patent number 7,083,007
- Issue date Aug 1, 2006
- Varco I/P, Inc.
- Neil Herst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling mud filtration device
- Patent number 6,976,546
- Issue date Dec 20, 2005
- Varco I/P, Inc.
- Neil Herst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary power slips
- Patent number 4,333,209
- Issue date Jun 8, 1982
- BJ-Hughes Inc.
- Neil W. Herst
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Fingerboard with pneumatically actuated finger latches
- Publication number 20050092524
- Publication date May 5, 2005
- Neil Herst
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling mud filtration device
- Publication number 20040079551
- Publication date Apr 29, 2004
- Neil Herst
- E21 - EARTH DRILLING MINING