Ben D. Terral

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Huntsville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas lift bellows construction and process for manufacture thereof
- Patent number 5,421,241
- Issue date Jun 6, 1995
- Enterra Petroleum Equipment Group
- Ben D. Terral
- E21 - EARTH DRILLING MINING
Information Patent Grant
Latching device
- Patent number 5,205,357
- Issue date Apr 27, 1993
- Ben D. Terral
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stacked water regulator and method of use
- Patent number 5,042,584
- Issue date Aug 27, 1991
- McMurray Oil Tools, Inc.
- Ben D. Terral
- E21 - EARTH DRILLING MINING
Information Patent Grant
Latching device
- Patent number 4,940,089
- Issue date Jul 10, 1990
- Ben D. Terral
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrieval device for a well control tool
- Patent number 4,813,730
- Issue date Mar 21, 1989
- Ben D. Terral
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for establishing pipe joint seals
- Patent number 4,620,349
- Issue date Nov 4, 1986
- Ben D. Terral
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR