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David V. Chenoweth
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Houston, TX, US
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last 30 patents
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Patent Grant
Method of testing and reconditioning insulating tubular conduits
Patent number
4,673,652
Issue date
Jun 16, 1987
Baker Oil Tools, Inc.
David M. McStravick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Insulating tubular conduit apparatus
Patent number
4,624,485
Issue date
Nov 25, 1986
Baker Oil Tools, Inc.
David M. McStravick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Plastically deformed seals in downhole tools
Patent number
4,582,349
Issue date
Apr 15, 1986
Baker Oil Tools, Inc.
David V. Chenoweth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Concentric walled conduit for a tubular conduit string
Patent number
4,566,495
Issue date
Jan 28, 1986
Baker Oil Tools, Inc.
John R. Baker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas well liquid removal system and process
Patent number
4,509,599
Issue date
Apr 9, 1985
Baker Oil Tools, Inc.
David V. Chenoweth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of making insulated tubular conduit
Patent number
4,480,371
Issue date
Nov 6, 1984
Baker Oil Tools, Inc.
David M. McStravick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Insulating tubular conduit apparatus
Patent number
4,444,420
Issue date
Apr 24, 1984
Baker International Corporation
David M. McStravick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Insulating tubular conduit apparatus and method
Patent number
4,396,211
Issue date
Aug 2, 1983
Baker International Corporation
David M. McStravick
E21 - EARTH DRILLING MINING