Roger Smith Jr.

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Georgetown, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal floor mounted pipe handling machine
- Patent number 4,715,761
- Issue date Dec 29, 1987
- Hughes Tool Company
- Joe R. Berry
- E21 - EARTH DRILLING MINING
Information Patent Grant
Interference warning device
- Patent number 4,613,849
- Issue date Sep 23, 1986
- Hughes Tool Company
- Roger Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stand jumping and stabbing guide device and method
- Patent number 4,603,464
- Issue date Aug 5, 1986
- Hughes Tool Company
- Roger Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Top drive drilling apparatus with improved wrench assembly
- Patent number 4,589,503
- Issue date May 20, 1986
- Hughes Tool Company
- Horace A. Johnson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe manipulator
- Patent number 4,345,864
- Issue date Aug 24, 1982
- BJ-Hughes Inc.
- Roger Smith
- E21 - EARTH DRILLING MINING