Inventor · disambiguated record
Mark A. Plummer
Also filed as: PLUMMER MARK · PLUMMER MARK A
28 granted patents·2 pending applications·383 citations·filing 1973–2023
96Inventor score
Top patents by PatentIndex Score
30 records- 0197US4723603APreventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wellsMARATHON OIL CO·Filed 1987·Granted Feb 9, 1988·146 cites·21 claims
- 0279US6736961B2Removal of sulfur from a hydrocarbon through a selective membraneMARATHON OIL CO·Filed 2001·Granted May 18, 2004·37 cites·42 claims
- 0379US4144266ASulfonation of crude oils to produce petroleum sulfonatesMARATHON OIL CO·Filed 1973·Granted Mar 13, 1979·10 cites·25 claims
- 0475US8124347B2Photosynthetic hydrogen production from the green alga chlamydomonas reinhardthPLUMMER SCOTT·Filed 2009·Granted Feb 28, 2012·4 cites·12 claims
- 0575US3956372AProcess for the production of petroleum sulfonateMARATHON OIL CO·Filed 1973·Granted May 11, 1976·12 cites·25 claims
- 0672US6187172B1Viscosity reduction of crude oils and residuumsMARATHON OIL CO·Filed 1999·Granted Feb 13, 2001·23 cites·11 claims
- 0770US2025361627A1Electrochemical Alcohol Nitration Systems and MethodsUNIV YALE·Filed 2023·Application pending·0 cites
- 0869US4592905AConversion of hydrogen sulfide to sulfur and hydrogenMARATHON OIL CO·Filed 1985·Granted Jun 3, 1986·20 cites·28 claims
- 0968US4560517ASulfonation of crude oils with gaseous SO3 to produce petroleum sulfonatesMARATHON OIL CO·Filed 1980·Granted Dec 24, 1985·9 cites·32 claims
- 1061US3997451ASulfonate blends useful for improved oil recoveryMARATHON OIL CO·Filed 1974·Granted Dec 14, 1976·16 cites·8 claims
- 1157US4147638ASulfonation of crude oils to produce petroleum sulfonatesMARATHON OIL CO·Filed 1976·Granted Apr 3, 1979·12 cites·16 claims
- 1255US5334363AProcess for recovering sulfur and hydrogen from hydrogen sulfideMARATHON OIL CO·Filed 1992·Granted Aug 2, 1994·12 cites·31 claims
- 1352US4908064ARoad asphalt compositionMARATHON OIL CO·Filed 1988·Granted Mar 13, 1990·8 cites·20 claims
- 1452US4581128AHydrocarbon desulfurization processMARATHON OIL CO·Filed 1985·Granted Apr 8, 1986·10 cites·3 claims
- 1551US4013125AFlooding with micellar dispersions containing petroleum sulfonates obtained by sulfonating whole or topped crude oilMARATHON OIL CO·Filed 1975·Granted Mar 22, 1977·11 cites·14 claims
- 1648US5180572AConversion of hydrogen sulfide to sulfur and hydrogenMARATHON OIL CO·Filed 1991·Granted Jan 19, 1993·14 cites·17 claims
- 1743US4614623ASulfonation of crude oils with gaseous SO3 to produce petroleum sulfonatesMARATHON OIL CO·Filed 1985·Granted Sep 30, 1986·8 cites·34 claims
- 1843US3964548AMethod for oil recovery by flooding with micellar dispersions containing crude oil sulfonatesMARATHON OIL CO·Filed 1975·Granted Jun 22, 1976·8 cites·19 claims
- 1942US3951828AProcess of injecting a micellar dispersion into a subterranean reservoirMARATHON OIL CO·Filed 1973·Granted Apr 20, 1976·6 cites·10 claims
- 2041US8759058B2Photosynthetic hydrogen production from the green alga chlamydomonas reinhardiiPLUMMER SCOTT·Filed 2012·Granted Jun 24, 2014·0 cites·14 claims
- 2138US5736117ASulfur debonding agent enhancing sulfur recovery from a hydrogen sulfide conversion processMARATHON OIL CO·Filed 1995·Granted Apr 7, 1998·5 cites·32 claims
- 2238US2003092169A1Biodesulfurization of hydrocarbonsFiled 2001·Application pending·0 cites
- 2336US4557803ACracking process catalyst selection based on cation electronegativityMARATHON OIL CO·Filed 1984·Granted Dec 10, 1985·3 cites·13 claims
- 2434US4555327ACracking with tetrachloroaluminate catalysts and waterMARATHON OIL CO·Filed 1984·Granted Nov 26, 1985·2 cites·19 claims
- 2534US4513163AConversion of aromatics to iso-paraffins using a NaAlCl4 /HAlCl4 molten salt catalyst systemMARATHON OIL CO·Filed 1983·Granted Apr 23, 1985·0 cites·14 claims
- 2633US4504378ASodium tetrachloroaluminate catalyzed process for the molecular weight reduction of liquid hydrocarbonsMARATHON OIL CO·Filed 1983·Granted Mar 12, 1985·2 cites·30 claims
- 2731US4707264AWater extraction from hydrocarbons in the presence of asphaltic precipitatesMARATHON OIL CO·Filed 1986·Granted Nov 17, 1987·2 cites·17 claims
- 2830US4623445ASodium tetrachloroaluminate catalyzed process for the molecular weight reduction of liquid hydrocarbonsMARATHON OIL CO·Filed 1984·Granted Nov 18, 1986·0 cites·30 claims
- 2930US4147637AOil recovery by increasing the injectivity index of micellar systems containing crude oil sulfonatesMARATHON OIL CO·Filed 1977·Granted Apr 3, 1979·0 cites·7 claims
- 3028US4505810AHydrogen tetrachloroaluminate as a co-catalyst with sodium tetrachloroaluminate for the conversion of heavy hydrocarbonsMARATHON OIL CO·Filed 1983·Granted Mar 19, 1985·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →