Inventor · disambiguated record
Thomas R. Sifferman
Also filed as: SIFFERMAN THOMAS · SIFFERMAN THOMAS R
16 granted patents·2 pending applications·473 citations·filing 1976–2017
95Inventor score
Top patents by PatentIndex Score
18 records- 0195US8865632B1Drag-reducing copolymer compositionsPARNELL EARL·Filed 2008·Granted Oct 21, 2014·71 cites·18 claims
- 0294US8916508B2Drag-reducing copolymer compositionsPARNELL EARL·Filed 2011·Granted Dec 23, 2014·29 cites·11 claims
- 0392US4265264AMethod of transporting viscous hydrocarbonsCONOCO INC·Filed 1979·Granted May 5, 1981·55 cites·5 claims
- 0490US4085801AControl of incompetent formations with thickened acid-settable resin compositionsCONTINENTAL OIL CO·Filed 1976·Granted Apr 25, 1978·46 cites·17 claims
- 0589US4085802AUse of thickened oil for sand control processesCONTINENTAL OIL CO·Filed 1977·Granted Apr 25, 1978·42 cites·19 claims
- 0687US10696887B2Oxidative breakers in a silicone based suspensionFLOTEK CHEMISTRY LLC·Filed 2017·Granted Jun 30, 2020·5 cites·7 claims
- 0781US5951910AReticulated bacterial cellulose as a rheological modifier for polyol fluid compositionsMONSANTO CO·Filed 1998·Granted Sep 14, 1999·51 cites·16 claims
- 0879US4285356AMethod of transporting viscous hydrocarbonsCONOCO INC·Filed 1979·Granted Aug 25, 1981·29 cites·13 claims
- 0973US6180571B1Fluid loss control additives and subterranean treatment fluids containing the sameMONSANTO CO·Filed 1997·Granted Jan 30, 2001·29 cites·28 claims
- 1072US5277830ApH tolerant heteropolysaccharide gels for use in profile controlMOBIL OIL CORP·Filed 1992·Granted Jan 11, 1994·25 cites·10 claims
- 1169US6492305B2Method of controlling loss of a subterranean treatment fluidCP KELCO US INC·Filed 2001·Granted Dec 10, 2002·10 cites·16 claims
- 1267US4418755AMethods of inhibiting the flow of water in subterranean formationsCONOCO INC·Filed 1981·Granted Dec 6, 1983·32 cites·16 claims
- 1367US4105618AControl of incompetent formations with thickened compositions containing base-settable resinCONTINENTAL OIL CO·Filed 1977·Granted Aug 8, 1978·17 cites·9 claims
- 1461US2014323366A1Drag-reducing copolymer compositionsCESI CHEMICAL INC·Filed 2014·Application pending·0 cites
- 1555US5156214AMethod for imparting selectivity to polymeric gel systemsMOBIL OIL CORP·Filed 1990·Granted Oct 20, 1992·12 cites·20 claims
- 1649US4412586AMethods of inhibiting the flow of water in subterranean formationsCONOCO INC·Filed 1981·Granted Nov 1, 1983·16 cites·4 claims
- 1742US2014274822A1Oxidative breakers in a silicone based suspensionCESI CHEMICAL INC·Filed 2013·Application pending·0 cites
- 1838US4110275AControl of incompetent formations with thickened acid-settable resin compositionsCONTINENTAL OIL CO·Filed 1977·Granted Aug 29, 1978·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →