Inventor · disambiguated record
Douglas S. Jack
Also filed as: JACK DOUGLAS S
13 granted patents·2 pending applications·56 citations·filing 1980–2018
87Inventor score
Top patents by PatentIndex Score
15 records- 0185US10287508B2Multi-purpose application of the second stage of a 2-stage bio-reforming reactor system for reforming bio-syngas, natural gas and process recycle streamsSUNDROP FUELS INC·Filed 2018·Granted May 14, 2019·3 cites·20 claims
- 0277US4274571ACarrier for skis and ski polesLAFRENIERE EARL W·Filed 1980·Granted Jun 23, 1981·36 cites·6 claims
- 0371US9771531B2Biomass to transportation fuels using a Fischer-Tropsch processSUNDROP FUELS INC·Filed 2015·Granted Sep 26, 2017·1 cites·18 claims
- 0446US10443004B2First stage process configurations in a 2-stage bio-reforming reactor systemSUNDROP FUELS INC·Filed 2018·Granted Oct 15, 2019·0 cites·20 claims
- 0546US2005145544A1Methods for treating organic compounds and treated organic compoundsCONOCOPHILLIPS CO·Filed 2005·Application pending·0 cites
- 0645US10273422B2Integrated biofuels process configurations, employing a 2-stage bio-reforming reactor system, in which renewable carbon content of gasoline and diesel are optimized for valueSUNDROP FUELS INC·Filed 2018·Granted Apr 30, 2019·0 cites·20 claims
- 0745US10273415B2Flexible options for utilizing naphtha from a low temperature Fischer-Tropsch process in a plant converting biomass to syncrude or transportation fuelsSUNDROP FUELS INC·Filed 2018·Granted Apr 30, 2019·0 cites·20 claims
- 0842US4541938AContinuous overbasing of petroleum sulfonate with water removal and methanol addition between reaction stagesPHILLIPS PETROLEUM CO·Filed 1984·Granted Sep 17, 1985·4 cites·6 claims
- 0942US2004173501A1Methods for treating organic compounds and treated organic compoundsCONOCOPHILLIPS CO·Filed 2003·Application pending·0 cites
- 1039US10995288B2Integrated process plant having a biomass reforming reactor using a fluidized bedSUNDROP FUELS INC·Filed 2016·Granted May 4, 2021·0 cites·7 claims
- 1139US4541939AContinuous process for highly overbased petroleum sulfonates using a series of stirred tank reactorsPHILLIPS PETROLEUM CO·Filed 1984·Granted Sep 17, 1985·3 cites·16 claims
- 1237US4664246AApparatus for producing and recovering overbased petroleum sulfonatePHILLIPS PETROLEUM CO·Filed 1985·Granted May 12, 1987·3 cites·9 claims
- 1335US4557840AContinuous process for overbasing petroleum sulfonate in a pipe reactor with multiple entry of countercurrent carbon dioxidePHILLIPS PETROLEUM CO·Filed 1984·Granted Dec 10, 1985·3 cites·6 claims
- 1433US4661318AApparatus for continuous overbasing of petroleum sulfonate with water removal and methanol addition between reaction stagesPHILLIPS PETROLEUM CO·Filed 1985·Granted Apr 28, 1987·2 cites·5 claims
- 1532US4543194APrecarbonation in overbasing calcium petroleum sulfonatesPHILLIPS PETROLEUM CO·Filed 1984·Granted Sep 24, 1985·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →