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Carbide Blast Joints, Inc.
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for protecting consecutive multiple variable d...
Patent number
4,635,968
Issue date
Jan 13, 1987
Carbide Blast Joints, Inc.
Karl F. Kuhne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Increased tensile strength variable diameter protective joint
Patent number
4,613,165
Issue date
Sep 23, 1986
Carbide Blast Joints, Inc.
Karl F. Kuhne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blast joint for subterranean wells
Patent number
4,349,050
Issue date
Sep 14, 1982
Carbide Blast Joints, Inc.
Arthur E. Bergstrom
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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