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David C. Hoyle
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Houston, TX, US
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last 30 patents
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Patent Grant
Monopole transmitter for a sonic well tool
Patent number
5,043,952
Issue date
Aug 27, 1991
Schlumberger Technology Corporation
David C. Hoyle
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sonic well tool transmitter receiver array including an attenuation...
Patent number
5,036,945
Issue date
Aug 6, 1991
Schlumberger Technology Corporation
David C. Hoyle
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sonic well logging tool longitudinal wave attenuator
Patent number
4,872,526
Issue date
Oct 10, 1989
Schlumberger Technology Corporation
Albert H. Wignall
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sonic well logging tool transmitter
Patent number
4,862,991
Issue date
Sep 5, 1989
Schlumberger Technology Corporation
David C. Hoyle
G01 - MEASURING TESTING
Information
Patent Grant
Logging tool housing with acoustic delay
Patent number
4,850,450
Issue date
Jul 25, 1989
Schlumberger Technology Corporation
David C. Hoyle
G01 - MEASURING TESTING