Walker-Neer Mfg. Co., Inc.

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Wichita Falls, TX, US

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Patents Grantslast 30 patents

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
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
Information Patent Grant
Inner tube assembly for dual conduit drill pipe
- Patent number 4,280,535
- Issue date Jul 28, 1981
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stabilizer for single or dual tube drilling
- Patent number 4,071,101
- Issue date Jan 31, 1978
- Walker-Neer Mfg. Co., Inc.
- George Alan Ford
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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