Inventor · disambiguated record
William R. Trujillo
Also filed as: TRUJILLO WILLIAM R
9 granted patents·260 citations·filing 1988–2000
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
9 records- 0186US5279375AMultidirectional drill bit cutterBAKER HUGHES INC·Filed 1992·Granted Jan 18, 1994·99 cites·24 claims
- 0275US4913244ALarge compact cutter rotary drill bit utilizing directed hydraulics for each cutterEASTMAN CHRISTENSEN CO·Filed 1988·Granted Apr 3, 1990·50 cites·33 claims
- 0363US5794725ADrill bits with enhanced hydraulic flow characteristicsBAKER HUGHES INC·Filed 1996·Granted Aug 18, 1998·34 cites·41 claims
- 0455US6079507ADrill bits with enhanced hydraulic flow characteristicsBAKER HUGHES INC·Filed 1998·Granted Jun 27, 2000·25 cites·16 claims
- 0553US5836404ADrill bits with enhanced hydraulic flow characteristicsBAKER HUGHES INC·Filed 1997·Granted Nov 17, 1998·23 cites·12 claims
- 0642US6250408B1Earth-boring drill bits with enhanced formation cuttings removal featuresBAKER HUGHES INC·Filed 2000·Granted Jun 26, 2001·4 cites·21 claims
- 0742US6230827B1Earth-boring drill bits with enhanced formation cuttings removal features and methods of drillingBAKER HUGHES INC·Filed 2000·Granted May 15, 2001·4 cites·20 claims
- 0838US6125947AEarth-boring drill bits with enhanced formation cuttings removal features and methods of drillingBAKER HUGHES INC·Filed 1997·Granted Oct 3, 2000·11 cites·11 claims
- 0937US4883136ALarge compact cutter rotary drill bit utilizing directed hydraulics for each cutterEASTMAN CHRISTENSEN CO·Filed 1988·Granted Nov 28, 1989·10 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →