Inventor · disambiguated record
Kenneth W. Colvin
Also filed as: COLVIN KENNETH · COLVIN KENNETH W
9 granted patents·1,046 citations·filing 1977–2008
92Inventor score
Top patents by PatentIndex Score
9 records- 0196US6325159B1Offshore drilling systemHYDRIL CO·Filed 1999·Granted Dec 4, 2001·250 cites·24 claims
- 0295US6102673ASubsea mud pump with reduced pulsationHYDRIL CO·Filed 1999·Granted Aug 15, 2000·250 cites·24 claims
- 0393US6230824B1Rotating subsea diverterHYDRIL CO·Filed 1999·Granted May 15, 2001·253 cites·17 claims
- 0493US5320325APosition instrumented blowout preventerHYDRIL CO·Filed 1993·Granted Jun 14, 1994·119 cites·4 claims
- 0574US5407172APosition instrumented blowout preventerHYDRIL CO·Filed 1994·Granted Apr 18, 1995·61 cites·4 claims
- 0668US5575451ABlowout preventer ram for coil tubingHYDRIL CO·Filed 1995·Granted Nov 19, 1996·55 cites·3 claims
- 0768US4082147AMethod and apparatus for a surface control system for: subsurface safety valvesHYDRIL CO·Filed 1977·Granted Apr 4, 1978·30 cites·16 claims
- 0862US7987928B2Injection system and method comprising an impactor motive devicePDTI HOLDINGS LLC·Filed 2008·Granted Aug 2, 2011·8 cites·23 claims
- 0948US4605195AAnnular blowout preventer packing unitHYDRIL CO·Filed 1985·Granted Aug 12, 1986·20 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →