Assignee
SHELL OFFSHORE INC
US·64 granted patents·2,259 citations·filing 1983–1998
Top patents by PatentIndex Score
64 records- 0189USD384574SGrating clip for securing fiberglass deck elements to an offshore platformSHELL OFFSHORE INC·Filed 1995·Granted Oct 7, 1997·39 cites·1 claims
- 0289US4769773AVessel wave heading control apparatusSHELL OFFSHORE INC·Filed 1985·Granted Sep 6, 1988·44 cites·1 claims
- 0388US5184686AMethod for offshore drilling utilizing a two-riser systemSHELL OFFSHORE INC·Filed 1991·Granted Feb 9, 1993·122 cites·15 claims
- 0488US4666340AOffshore platform with removable modulesSHELL OFFSHORE INC·Filed 1986·Granted May 19, 1987·51 cites·22 claims
- 0587US6276455B1Subsea gas separation system and method for offshore drillingSHELL OFFSHORE INC·Filed 1998·Granted Aug 21, 2001·128 cites·8 claims
- 0687US4557332ADrilling riser locking apparatus and methodSHELL OFFSHORE INC·Filed 1984·Granted Dec 10, 1985·81 cites·35 claims
- 0784US4526232AMethod of replacing a corroded well conductor in an offshore platformSHELL OFFSHORE INC·Filed 1983·Granted Jul 2, 1985·128 cites·7 claims
- 0883US6216799B1Subsea pumping system and method for deepwater drillingSHELL OFFSHORE INC·Filed 1998·Granted Apr 17, 2001·101 cites·55 claims
- 0983US4830541ASuction-type ocean-floor wellheadSHELL OFFSHORE INC·Filed 1986·Granted May 16, 1989·75 cites·33 claims
- 1081US4720214AMudmat designSHELL OFFSHORE INC·Filed 1986·Granted Jan 19, 1988·48 cites·18 claims
- 1180US5199659ASeismic cable retrieval apparatus and methodSHELL OFFSHORE INC·Filed 1991·Granted Apr 6, 1993·33 cites·44 claims
- 1280US5197716ASeismic cable deployment apparatusSHELL OFFSHORE INC·Filed 1991·Granted Mar 30, 1993·42 cites·28 claims
- 1380US4682913AHydraulic stab connectorSHELL OFFSHORE INC·Filed 1986·Granted Jul 28, 1987·78 cites·6 claims
- 1480US4521131ALightweight semi-flexible dikeSHELL OFFSHORE INC·Filed 1984·Granted Jun 4, 1985·33 cites·14 claims
- 1579US4649704ASubsea power fluid accumulatorSHELL OFFSHORE INC·Filed 1986·Granted Mar 17, 1987·66 cites·10 claims
- 1677US4657439ABuoyant member riser tensioner method and apparatusSHELL OFFSHORE INC·Filed 1985·Granted Apr 14, 1987·57 cites·19 claims
- 1776US4688640AAbandoning offshore wellSHELL OFFSHORE INC·Filed 1986·Granted Aug 25, 1987·59 cites·22 claims
- 1873US4674915AManipulator apparatus for gripping submerged objectsSHELL OFFSHORE INC·Filed 1985·Granted Jun 23, 1987·46 cites·13 claims
- 1973US4620595ARecovering oil by injecting ammoniated and nitrited seawaterSHELL OFFSHORE INC·Filed 1985·Granted Nov 4, 1986·32 cites·6 claims
- 2072US5273376ABack-up connector release toolSHELL OFFSHORE INC·Filed 1992·Granted Dec 28, 1993·55 cites·8 claims
- 2172US4545437ADrilling riser locking apparatus and methodSHELL OFFSHORE INC·Filed 1984·Granted Oct 8, 1985·40 cites·22 claims
- 2271US5168933ACombination hydraulic tubing hanger and chemical injection subSHELL OFFSHORE INC·Filed 1991·Granted Dec 8, 1992·62 cites·7 claims
- 2371US4739840AMethod and apparatus for protecting a shallow water wellSHELL OFFSHORE INC·Filed 1986·Granted Apr 26, 1988·26 cites·22 claims
- 2470US5741089AMethod for enhanced redeployability of hyjack platformsSHELL OFFSHORE INC·Filed 1994·Granted Apr 21, 1998·26 cites·10 claims
- 2569US4643612AOil cleanup bargeSHELL OFFSHORE INC·Filed 1984·Granted Feb 17, 1987·37 cites·1 claims
- 2667US6263981B1Deepwater drill string shut-off valve system and method for controlling mud circulationSHELL OFFSHORE INC·Filed 1998·Granted Jul 24, 2001·53 cites·5 claims
- 2767US5551801AHyjack platform with compensated dynamic responseSHELL OFFSHORE INC·Filed 1994·Granted Sep 3, 1996·23 cites·8 claims
- 2867US4972907AMethod of conducting well operations from a moveable floating platformSHELL OFFSHORE INC·Filed 1987·Granted Nov 27, 1990·48 cites·13 claims
- 2965US5593250AHyjack platform with buoyant rig supplemental supportSHELL OFFSHORE INC·Filed 1994·Granted Jan 14, 1997·21 cites·11 claims
- 3065US4591292ASubsea pull-in toolSHELL OFFSHORE INC·Filed 1984·Granted May 27, 1986·28 cites·6 claims
- 3163US4618285ABuoyant ring gasket installation toolSHELL OFFSHORE INC·Filed 1985·Granted Oct 21, 1986·19 cites·17 claims
- 3262US4854779AInstallation of multipiece jackets using mating pinsSHELL OFFSHORE INC·Filed 1987·Granted Aug 8, 1989·23 cites·25 claims
- 3362US4690216AFormation fluid samplerSHELL OFFSHORE INC·Filed 1986·Granted Sep 1, 1987·36 cites·11 claims
- 3461US4601608ASubsea hydraulic connection method and apparatusSHELL OFFSHORE INC·Filed 1985·Granted Jul 22, 1986·30 cites·13 claims
- 3559US4740110APlatform grouting system and methodSHELL OFFSHORE INC·Filed 1987·Granted Apr 26, 1988·37 cites·12 claims
- 3659US4669915AManipulator apparatus with flexible membrane for gripping submerged objectsSHELL OFFSHORE INC·Filed 1985·Granted Jun 2, 1987·30 cites·10 claims
- 3757US5159891AAdjustable boat mooring system for a flexibly-supported tension leg platformSHELL OFFSHORE INC·Filed 1991·Granted Nov 3, 1992·39 cites·9 claims
- 3857US4725990AMarine shear cableSHELL OFFSHORE INC·Filed 1985·Granted Feb 16, 1988·21 cites·9 claims
- 3957US4484840AMethod and apparatus for installing anodes on steel platforms at offshore locationsSHELL OFFSHORE INC·Filed 1983·Granted Nov 27, 1984·17 cites·36 claims
- 4054US5001677AMethods for processing and displaying seismic dataSHELL OFFSHORE INC·Filed 1989·Granted Mar 19, 1991·26 cites·13 claims
- 4154US4721415AWell base in ocean floorSHELL OFFSHORE INC·Filed 1986·Granted Jan 26, 1988·26 cites·9 claims
- 4253USD366825SGrating clipSHELL OFFSHORE INC·Filed 1994·Granted Feb 6, 1996·7 cites·1 claims
- 4352US4907657AMethod for protecting a shallow water wellSHELL OFFSHORE INC·Filed 1988·Granted Mar 13, 1990·15 cites·11 claims
- 4452US4784225AWell valve assembly method and apparatusSHELL OFFSHORE INC·Filed 1986·Granted Nov 15, 1988·25 cites·11 claims
- 4552US4484839AMethod and apparatus for installing anodes on steel platforms at offshore locationsSHELL OFFSHORE INC·Filed 1983·Granted Nov 27, 1984·14 cites·19 claims
- 4648US4602893ARing gasket installation toolSHELL OFFSHORE INC·Filed 1985·Granted Jul 29, 1986·14 cites·17 claims
- 4746US4706119ACamera vision axis inclination indication apparatusSHELL OFFSHORE INC·Filed 1985·Granted Nov 10, 1987·9 cites·1 claims
- 4842US5161620ASubsea production wellhead assemblySHELL OFFSHORE INC·Filed 1991·Granted Nov 10, 1992·16 cites·5 claims
- 4942US4862568AApparatus to drill and tap a hollow underwater memberSHELL OFFSHORE INC·Filed 1988·Granted Sep 5, 1989·11 cites·2 claims
- 5042US4703813ACementing portion of conductor stringSHELL OFFSHORE INC·Filed 1986·Granted Nov 3, 1987·24 cites·10 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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