Katahara; Keith W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katahara; Keith W..The latest application filed is for "sensor in bit for measuring formation properties while drilling".

Company Profile

0.9.0

Katahara; Keith W. - Allen TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Sensor in bit for measuring formation properties while drilling Grant 6,150,822 - Hong , et al. November 21, 2	2000-11-21
Inspecting a conductive object with a steady state magnetic field and induced eddy current Grant 5,670,878 - Katahara , et al. September 23, 1	1997-09-23
Sensor in bit for measuring formation properties while drilling including a drilling fluid ejection nozzle for ejecting a uniform layer of fluid over the sensor Grant 5,475,309 - Hong , et al. December 12, 1	1995-12-12
Downhole wellbore tool for measuring flow parameters Grant 5,251,479 - Siegfried, II , et al. October 12, 1	1993-10-12
Piezoelectric transducer with displacement amplifier Grant 5,063,542 - Petermann , et al. November 5, 1	1991-11-05
Magnetostrictive transducer for logging tool Grant 5,020,036 - Petermann , et al. May 28, 1	1991-05-28
Piezoelectric transducer Grant 4,975,615 - Katahara December 4, 1	1990-12-04
Method for acoustically measuring wall thickness of tubular goods Grant 4,912,683 - Katahara , et al. March 27, 1	1990-03-27
Acoustical well logging method and apparatus Grant 4,899,844 - Katahara , et al. February 13, 1	1990-02-13

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