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William R. Trujillo
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South Salt Lake, UT, US
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Patents Grants
last 30 patents
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Patent Grant
Earth-boring drill bits with enhanced formation cuttings removal fe...
Patent number
6,250,408
Issue date
Jun 26, 2001
Baker Hughes Incorporated
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring drill bits with enhanced formation cuttings removal fe...
Patent number
6,230,827
Issue date
May 15, 2001
Baker Hughes Incorporated
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring drill bits with enhanced formation cuttings removal fe...
Patent number
6,125,947
Issue date
Oct 3, 2000
Baker Hughes Incorporated
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bits with enhanced hydraulic flow characteristics
Patent number
6,079,507
Issue date
Jun 27, 2000
Baker Hughes Inc.
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bits with enhanced hydraulic flow characteristics
Patent number
5,836,404
Issue date
Nov 17, 1998
Baker Hughes Incorporated
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bits with enhanced hydraulic flow characteristics
Patent number
5,794,725
Issue date
Aug 18, 1998
Baker Hughes Incorporated
William R. Trujillo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multidirectional drill bit cutter
Patent number
5,279,375
Issue date
Jan 18, 1994
Baker Hughes Incorporated
Gordon A. Tibbitts
E21 - EARTH DRILLING MINING