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George Alan Ford
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Houston, TX, US
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last 30 patents
Information
Patent Grant
Continuous coring drill bit
Patent number
4,694,916
Issue date
Sep 22, 1987
R. C. Ltd.
George A. Ford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Skirted hammer sub for dual tube drilling
Patent number
4,274,497
Issue date
Jun 23, 1981
Walker-Neer Manufacturing 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
Information
Patent Grant
Bit packer for dual tube drilling
Patent number
4,057,118
Issue date
Nov 8, 1977
Walker-Neer Manufacturing Co., Inc.
George Alan Ford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for cleaning a screened well
Patent number
4,037,661
Issue date
Jul 26, 1977
Walker-Neer Manufacturing Co., Inc.
George Alan Ford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Injection sub for dual tube drilling
Patent number
3,978,923
Issue date
Sep 7, 1976
Walker-Neer Manufacturing Co., Inc.
George Alan Ford
E21 - EARTH DRILLING MINING