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Kawasaki, JP
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last 30 patents
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Patent Grant
Dual-mode thickness-shear quartz pressure sensors for high pressure...
Patent number
6,111,340
Issue date
Aug 29, 2000
Schlumberger Technology Corporation
Bikash K. Sinha
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for detecting the presence of gas in a borehol...
Patent number
5,201,220
Issue date
Apr 13, 1993
Schlumberger Technology Corp.
Oliver C. Mullins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for detecting the presence of gas in a borehol...
Patent number
5,167,149
Issue date
Dec 1, 1992
Schlumberger Technology Corporation
Oliver C. Mullins
E21 - EARTH DRILLING MINING