Inventor · disambiguated record
John E. Lawson
Also filed as: DENNIS RONALD D · LAWSON JOHN · LAWSON JOHN E
37 granted patents·4 pending applications·732 citations·filing 1974–2014
98Inventor score
Top patents by PatentIndex Score
41 records- 0195US4874008AValve mounting and block manifoldCAMERON IRON WORKS INC·Filed 1988·Granted Oct 17, 1989·100 cites·6 claims
- 0293US4550782AMethod and apparatus for independent support of well pipe hangersARMCO INC·Filed 1982·Granted Nov 5, 1985·121 cites·14 claims
- 0385US4497592ASelf-levelling underwater structureARMCO INC·Filed 1981·Granted Feb 5, 1985·67 cites·10 claims
- 0481US4427072AMethod and apparatus for deep underwater well drilling and completionARMCO INC·Filed 1982·Granted Jan 24, 1984·58 cites·12 claims
- 0581US4021562A4-Tertiary-amino-2,6-diaminopyridine 1-oxidesMEAD JOHNSON & CO·Filed 1975·Granted May 3, 1977·9 cites·9 claims
- 0680US4321386AQuaternary piperidinium halidesMEAD JOHNSON & CO·Filed 1981·Granted Mar 23, 1982·11 cites·3 claims
- 0779US4517188A1-Pyrimidinyloxy-3-hetaryl-alkylamino-2-propanolsMEAD JOHNSON & CO·Filed 1983·Granted May 14, 1985·12 cites·36 claims
- 0878US4432670ACombination connector and flex joint for underwater tension elementsARMCO INC·Filed 1980·Granted Feb 21, 1984·26 cites·17 claims
- 0976US4490073AMultiple flowline connectorARMCO INC·Filed 1981·Granted Dec 25, 1984·47 cites·20 claims
- 1075US4211281AArticulated plural well deep water production systemARMCO INC·Filed 1979·Granted Jul 8, 1980·35 cites·21 claims
- 1170US4080500A4-Tertiary-amino-2,6-diaminopyridine 1-oxidesMEAD JOHNSON & CO·Filed 1977·Granted Mar 21, 1978·5 cites·3 claims
- 1268US4449583AWell devices with annulus check valve and hydraulic by-passARMCO INC·Filed 1981·Granted May 22, 1984·36 cites·31 claims
- 1366US4422618ARemotely operated valveARMCO INC·Filed 1981·Granted Dec 27, 1983·32 cites·13 claims
- 1464US4333531AMethod and apparatus for multiple well completionARMCO INC·Filed 1980·Granted Jun 8, 1982·22 cites·5 claims
- 1559US9371953B2Base for a generatorCATERPILLAR NI LTD·Filed 2013·Granted Jun 21, 2016·3 cites·17 claims
- 1655US5083582AValve with removable insertCOOPER IND INC·Filed 1991·Granted Jan 28, 1992·16 cites·6 claims
- 1753US4209191AQuick make-and-break large diameter couplingARMCO INC·Filed 1978·Granted Jun 24, 1980·18 cites·2 claims
- 1852US4297498A4-Tertiary-amino-2,6-diaminopyridine 1-oxidesMEAD JOHNSON & CO·Filed 1979·Granted Oct 27, 1981·2 cites·3 claims
- 1947US4472081AApparatus for connecting underwater flowlinesARMCO INC·Filed 1981·Granted Sep 18, 1984·14 cites·7 claims
- 2046US4883293AClamp connectorCAMERON IRON WORKS INC·Filed 1988·Granted Nov 28, 1989·11 cites·1 claims
- 2145US4472080AMethod for installing and connecting underwater flowlinesARMCO INC·Filed 1981·Granted Sep 18, 1984·14 cites·7 claims
- 2243US4405261ASubsea template levelling system and methodARMCO INC·Filed 1981·Granted Sep 20, 1983·12 cites·22 claims
- 2343US4306069AEncainide N-oxideMEAD JOHNSON & CO·Filed 1980·Granted Dec 15, 1981·2 cites·1 claims
- 2442US4399286AAntiarrhythmic phenethylpiperidine compoundsMEAD JOHNSON & CO·Filed 1981·Granted Aug 16, 1983·2 cites·2 claims
- 2541US4298067AMethod and apparatus for installing multiple pipe strings in underwater wellsARMCO INC·Filed 1980·Granted Nov 3, 1981·11 cites·14 claims
- 2640US4290483ALatch means for well tools and componentsARMCO INC·Filed 1980·Granted Sep 22, 1981·11 cites·8 claims
- 2740US2015207383A1Base for a generatorCATERPILLAR NI LTD·Filed 2013·Application pending·0 cites
- 2840US2015176751A1Base for a generatorCATERPILLAR NI LTD·Filed 2013·Application pending·0 cites
- 2939US4583746AMethod and apparatus for sealing between two concentric membersARMCO INC·Filed 1984·Granted Apr 22, 1986·10 cites·15 claims
- 3039US2016032676A1Gate valve assembly comprising a support memberFMC TECHNOLOGIES·Filed 2014·Application pending·0 cites
- 3138US3939196ADiarylcyclobutanesMEAD JOHNSON & CO·Filed 1974·Granted Feb 17, 1976·2 cites·3 claims
- 3236US4319773AFastener and devices in which load supporting members are secured therebyARMCO INC·Filed 1980·Granted Mar 16, 1982·7 cites·16 claims
- 3336US4298064ARemotely operated coupling and well devices employing sameARMCO INC·Filed 1980·Granted Nov 3, 1981·8 cites·14 claims
- 3434US9234401B2Nested cyclinder compact blowout preventerLAWSON JOHN E·Filed 2009·Granted Jan 12, 2016·0 cites·14 claims
- 3534US4182888A4-Tertiary-amino-2,6-diaminopyridine 1-oxidesMEAD JOHNSON & CO·Filed 1978·Granted Jan 8, 1980·0 cites·2 claims
- 3631US2009236100A1Plug retrieval and debris removal toolLAWSON JOHN E·Filed 2006·Application pending·0 cites
- 3730US4340117AUnderwater well installations and handling string joint thereforARMCO INC·Filed 1980·Granted Jul 20, 1982·3 cites·3 claims
- 3830US4317587ASplit fastening ring and assemblies employing sameARMCO INC·Filed 1980·Granted Mar 2, 1982·2 cites·11 claims
- 3929US5074717AClamped body replacement toolMOBIL OIL CORP·Filed 1989·Granted Dec 24, 1991·2 cites·13 claims
- 4028USD721827SRoof panelCATERPILLAR NI LTD·Filed 2013·Granted Jan 27, 2015·1 cites·1 claims
- 4125US4035426ADiarylcyclobutanesMEAD JOHNSON & CO·Filed 1975·Granted Jul 12, 1977·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →