Inventor · disambiguated record
Bruce J. Watkins
Also filed as: REGAN A MICHAEL · WATKINS BRUCE J
45 granted patents·1,952 citations·filing 1975–1999
99Inventor score
Top patents by PatentIndex Score
45 records- 0198US4995464AWell apparatus and methodDRIL QUIP INC·Filed 1989·Granted Feb 26, 1991·218 cites·26 claims
- 0295US4183562AMarine riser conduit section coupling meansREGAN OFFSHORE INT·Filed 1977·Granted Jan 15, 1980·102 cites·4 claims
- 0391US5143158ASubsea wellhead apparatusDRIL QUIP INC·Filed 1990·Granted Sep 1, 1992·144 cites·15 claims
- 0491US3952526AFlexible supportive joint for sub-sea riser flotation meansREGAN OFFSHORE INT·Filed 1975·Granted Apr 27, 1976·98 cites·23 claims
- 0590US3992889AFlotation means for subsea well riserREGAN OFFSHORE INT·Filed 1975·Granted Nov 23, 1976·83 cites·21 claims
- 0688US5634671ARiser connectorDRIL QUIP INC·Filed 1996·Granted Jun 3, 1997·127 cites·15 claims
- 0788US4403658AMultiline riser support and connection system and method for subsea wellsHUGHES TOOL CO·Filed 1980·Granted Sep 13, 1983·76 cites·15 claims
- 0884US4326584AKelly packing and stripper seal protection elementREGAN OFFSHORE INT·Filed 1980·Granted Apr 27, 1982·62 cites·20 claims
- 0984US4200312ASubsea flowline connectorREGAN OFFSHORE INT·Filed 1978·Granted Apr 29, 1980·56 cites·6 claims
- 1083US4595053AMetal-to-metal seal casing hangerHUGHES TOOL CO·Filed 1984·Granted Jun 17, 1986·76 cites·6 claims
- 1178US4333526AAnnulus valveHUGHES TOOL CO·Filed 1979·Granted Jun 8, 1982·41 cites·6 claims
- 1277US4358085AKeying means for segmented end ring blowout preventerHUGHES TOOL CO·Filed 1981·Granted Nov 9, 1982·29 cites·9 claims
- 1376US6035938AWellhead system and method for use in drilling a subsea wellDRIL QUIP INC·Filed 1998·Granted Mar 14, 2000·71 cites·14 claims
- 1473US5992893AConnectorDRILL QUIP INC·Filed 1997·Granted Nov 30, 1999·65 cites·10 claims
- 1571US4928769ACasing hanger running tool using string weightVETCO GRAY INC·Filed 1988·Granted May 29, 1990·42 cites·8 claims
- 1669US5687794ASubsea wellhead apparatusDRIL QUIP INC·Filed 1996·Granted Nov 18, 1997·54 cites·24 claims
- 1767US4457378AFlowline pull-in apparatus and methodHUGHES TOOL CO·Filed 1982·Granted Jul 3, 1984·33 cites·7 claims
- 1867US4428433ATelescopic joint upper tube retainer methodHUGHES TOOL CO·Filed 1981·Granted Jan 31, 1984·31 cites·3 claims
- 1966US6293345B1Apparatus for subsea wells including valve passageway in the wall of the wellhead housing for access to the annulusDRIL QUIP INC·Filed 1998·Granted Sep 25, 2001·49 cites·9 claims
- 2066US4469136ASubsea flowline connectorHUGHES TOOL CO·Filed 1982·Granted Sep 4, 1984·32 cites·12 claims
- 2166US4456070ATieback connection method and apparatusHUGHES TOOL CO·Filed 1982·Granted Jun 26, 1984·30 cites·14 claims
- 2265US5441311AConnector with opposite moving cam ringsDRIL QUIP INC·Filed 1994·Granted Aug 15, 1995·40 cites·10 claims
- 2365US4135841AMud flow heave compensatorREGAN OFFSHORE INT·Filed 1978·Granted Jan 23, 1979·25 cites·6 claims
- 2464US5333911AConnectorDRIL QUIP INC·Filed 1993·Granted Aug 2, 1994·39 cites·9 claims
- 2564US4465134ATie-back connection apparatus and methodHUGHES TOOL CO·Filed 1982·Granted Aug 14, 1984·29 cites·17 claims
- 2663US4374595AMetal to metal sealed joint for tubing stringHUGHES TOOL CO·Filed 1980·Granted Feb 22, 1983·27 cites·15 claims
- 2756US5887659ARiser for use in drilling or completing a subsea wellDRIL QUIP INC·Filed 1997·Granted Mar 30, 1999·35 cites·4 claims
- 2856US4499950AWellhead stabilizationHUGHES TOOL CO·Filed 1983·Granted Feb 19, 1985·21 cites·7 claims
- 2956US4491439ATendon latchHUGHES TOOL CO·Filed 1982·Granted Jan 1, 1985·16 cites·18 claims
- 3054US5236037AUnitized wellhead systemDRIL QUIP INC·Filed 1992·Granted Aug 17, 1993·27 cites·4 claims
- 3154US4648747AIntegral buoyant riserHUGHES TOOL CO·Filed 1985·Granted Mar 10, 1987·25 cites·6 claims
- 3252US5395183AOffshore drilling apparatusDRIL QUIP INC·Filed 1993·Granted Mar 7, 1995·24 cites·6 claims
- 3352US5309991AWellhead connectorDRIL QUIP INC·Filed 1993·Granted May 10, 1994·19 cites·5 claims
- 3449US6050338ASubsea wellhead apparatusDRIL QUIP INC·Filed 1998·Granted Apr 18, 2000·26 cites·10 claims
- 3538US5211228ADiverter systemDRIL QUIP INC·Filed 1992·Granted May 18, 1993·12 cites·2 claims
- 3637US5323860AApparatus for connecting a diverter assembly to a blowout preventer stackDRIL QUIP INC·Filed 1992·Granted Jun 28, 1994·8 cites·5 claims
- 3736US6173782B1Cable connectorDRIL QUIP INC·Filed 1999·Granted Jan 16, 2001·11 cites·6 claims
- 3835US5301750AWellhead apparatusDRIL QUIP INC·Filed 1993·Granted Apr 12, 1994·9 cites·4 claims
- 3935US5287925AWellhead apparatusDRIL QUIP INC·Filed 1993·Granted Feb 22, 1994·9 cites·11 claims
- 4035US4326328AMethod of releasably connecting a pair of pipesREGAN OFFSHORE INT·Filed 1979·Granted Apr 27, 1982·5 cites·3 claims
- 4133US6244347B1Subsea well drilling and/or completion apparatusDRIL QUIP INC·Filed 1999·Granted Jun 12, 2001·7 cites·11 claims
- 4233US5687793AApparatus for use in lowering a well pipe into alignment with a subsea conduitDRIL QUIP INC·Filed 1996·Granted Nov 18, 1997·7 cites·19 claims
- 4332US5244038AWellhead equipmentDRIL QUIP INC·Filed 1992·Granted Sep 14, 1993·5 cites·6 claims
- 4430US5226493AWell apparatusDRIL QUIP INC·Filed 1992·Granted Jul 13, 1993·3 cites·6 claims
- 4529US5515917AWell apparatusDRIL QUIP INC·Filed 1994·Granted May 14, 1996·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →