Jerry K. Lingafelter

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Wichita Falls, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic sequencing system for earth drilling machine
- Patent number 5,294,228
- Issue date Mar 15, 1994
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Compact casing tongs for use on top head drive earth drilling machine
- Patent number 4,867,236
- Issue date Sep 19, 1989
- W-N Apache Corporation
- Keith M. Haney
- A41 - WEARING APPAREL
Information Patent Grant
Downhole bearing assembly
- Patent number 4,593,774
- Issue date Jun 10, 1986
- Geo Max Drill Corp.
- Jerry Lingafelter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Collapsible pedestal for drilling apparatus
- Patent number 4,407,373
- Issue date Oct 4, 1983
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling ramp
- Patent number 4,406,098
- Issue date Sep 27, 1983
- Walker-Neer Manufacturing Co., Inc.
- Pete E. Deaver
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-centering clamp for down-hole tubulars
- Patent number 4,366,606
- Issue date Jan 4, 1983
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING