Inventor · disambiguated record
John Saunders Stevenson
Also filed as: STEVENSON JOHN · STEVENSON JOHN S · STEVENSON JOHN SAUNDERS
43 granted patents·4 pending applications·863 citations·filing 1984–2023
98Inventor score
Files withGEN ELECTRIC15TEXACO INC14STEVENSON JOHN SAUNDERS5LEININGER THOMAS FREDERICK3AIR PROD & CHEM1
Top patents by PatentIndex Score
47 records- 0196US8722003B1Apparatus and method to produce synthetic gasGEN ELECTRIC·Filed 2013·Granted May 13, 2014·23 cites·20 claims
- 0295US4590326AMulti-element thermocoupleTEXACO INC·Filed 1984·Granted May 20, 1986·486 cites·8 claims
- 0390US8951314B2Fuel feed system for a gasifierLEININGER THOMAS FREDERICK·Filed 2008·Granted Feb 10, 2015·13 cites·18 claims
- 0487US7846226B2Apparatus for cooling and scrubbing a flow of syngas and method of assemblingGEN ELECTRIC·Filed 2008·Granted Dec 7, 2010·12 cites·28 claims
- 0585US8579103B2System and method for transporting solid feed in a solid feed pumpSTEVENSON JOHN SAUNDERS·Filed 2011·Granted Nov 12, 2013·9 cites·22 claims
- 0683US8197564B2Method and apparatus for cooling syngas within a gasifier systemJIMENEZ-HUYKE ALLYSON JOY·Filed 2008·Granted Jun 12, 2012·10 cites·18 claims
- 0782US4801307AQuench ring and dip-tube assemblyTEXACO INC·Filed 1985·Granted Jan 31, 1989·40 cites·4 claims
- 0881US9145524B2System and method for heating a gasifierSTEVENSON JOHN SAUNDERS·Filed 2012·Granted Sep 29, 2015·2 cites·31 claims
- 0976US9290708B2Gasification system and method for gasifying a fuelLEININGER THOMAS FREDERICK·Filed 2012·Granted Mar 22, 2016·2 cites·26 claims
- 1076US9156631B2Multi-stage solids feeder system and methodGEN ELECTRIC·Filed 2012·Granted Oct 13, 2015·4 cites·31 claims
- 1176US5656042AEnvironmentally acceptable process for disposing of scrap plastic materialsTEXACO INC·Filed 1994·Granted Aug 12, 1997·31 cites·12 claims
- 1275US6086722AMinimizing evaporator scaling and recovery of salts during gasificationTEXACO INC·Filed 1997·Granted Jul 11, 2000·35 cites·22 claims
- 1375US4624684AProcess for feeding and gasifying solid carbonaceous fuelTEXACO INC·Filed 1985·Granted Nov 25, 1986·23 cites·24 claims
- 1474US9228740B2Annular injector assembly and methods of assembling sameGEN ELECTRIC·Filed 2014·Granted Jan 5, 2016·3 cites·16 claims
- 1574US5904879APartial oxidation of waste plastic materialTEXACO INC·Filed 1997·Granted May 18, 1999·33 cites·25 claims
- 1670US8992641B2Fuel feed system for a gasifierLEININGER THOMAS FREDERICK·Filed 2008·Granted Mar 31, 2015·6 cites·18 claims
- 1770US8512446B2High pressure conveyance gas selection and method of producing the gasMAZUMDAR ANINDRA·Filed 2010·Granted Aug 20, 2013·1 cites·20 claims
- 1870US4828579AThermally insulated quench ring for a gasifierBECKER MICHAEL W·Filed 1988·Granted May 9, 1989·21 cites·7 claims
- 1969US9150801B2System and method for heating a gasifierSTEVENSON JOHN SAUNDERS·Filed 2012·Granted Oct 6, 2015·1 cites·26 claims
- 2069US8828109B2Method and apparatus for assembling injection devicesSTEVENSON JOHN SAUNDERS·Filed 2010·Granted Sep 9, 2014·2 cites·20 claims
- 2169US8496412B2System and method for eliminating process gas leak in a solids delivery systemLIVINGOOD III WILLIAM COOK·Filed 2006·Granted Jul 30, 2013·10 cites·4 claims
- 2267US8662408B2Annular injector assembly and methods of assembling the sameSTEVENSON JOHN SAUNDERS·Filed 2010·Granted Mar 4, 2014·3 cites·9 claims
- 2366US2025109344A1Gasifier Throat CoolingAIR PROD & CHEM·Filed 2023·Application pending·0 cites
- 2465US9170174B2Methods for monitoring a seal assemblyGEN ELECTRIC·Filed 2014·Granted Oct 27, 2015·1 cites·6 claims
- 2564US9181046B2System and method to supply a solid feedstock to a solids feederGEN ELECTRIC·Filed 2012·Granted Nov 10, 2015·3 cites·20 claims
- 2663US8544633B2Segmented solid feed pumpSTEVENSON JOHN S·Filed 2011·Granted Oct 1, 2013·5 cites·25 claims
- 2760US8869598B2Methods and systems for monitoring a seal assemblyFURMAN ANTHONY HOLMES·Filed 2010·Granted Oct 28, 2014·1 cites·7 claims
- 2860US4705536APartial oxidation of vanadium-containing heavy liquid hydrocarbonaceous and solid carbonaceous fuelsTEXACO INC·Filed 1986·Granted Nov 10, 1987·12 cites·26 claims
- 2959US9879191B2Fuel feed system for a gasifier and method of gasification system start-upGEN ELECTRIC·Filed 2014·Granted Jan 30, 2018·0 cites·15 claims
- 3059US9637696B2Solids supply system and method for supplying solidsGEN ELECTRIC·Filed 2013·Granted May 2, 2017·1 cites·8 claims
- 3158US9321975B2System and method for cooling syngas within a gasifier systemGEN ELECTRIC·Filed 2013·Granted Apr 26, 2016·0 cites·11 claims
- 3255US8651772B2Rotary apparatus for use with a gasifier system and methods of using the sameKIM JYUNG-HOON·Filed 2007·Granted Feb 18, 2014·5 cites·11 claims
- 3355US5866091AMethod for minimizing hydrogen halide corrosion in a partial oxidation processTEXACO INC·Filed 1997·Granted Feb 2, 1999·17 cites·9 claims
- 3453US2016168493A1System and method for gasificationGEN ELECTRIC·Filed 2014·Application pending·0 cites
- 3552US8434700B2Methods and systems for mixing reactor feedGUO CLIFF YI·Filed 2008·Granted May 7, 2013·0 cites·23 claims
- 3651US9114933B2Segmented solid feed pumpGEN ELECTRIC·Filed 2013·Granted Aug 25, 2015·0 cites·24 claims
- 3750US4732700APartial oxidation of vanadium-containing heavy liquid hydrocarbonaceous and solid carbonaceous fuelsTEXACO INC·Filed 1986·Granted Mar 22, 1988·7 cites·56 claims
- 3849US2009272822A1Feed injector systems and methodsGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 3948US10131857B2Gasification quench systemGEN ELECTRIC·Filed 2017·Granted Nov 20, 2018·0 cites·19 claims
- 4048US10018416B2System and method for removal of liquid from a solids flowGEN ELECTRIC·Filed 2012·Granted Jul 10, 2018·0 cites·13 claims
- 4148US5647876AMethod of removing volatile metals from slag using an acid washTEXACO INC·Filed 1995·Granted Jul 15, 1997·10 cites·16 claims
- 4246US6302578B1Behind the brick thermocoupleTEXACO INC·Filed 1999·Granted Oct 16, 2001·18 cites·20 claims
- 4346US2016122669A1System and method for gasificationGEN ELECTRIC·Filed 2014·Application pending·0 cites
- 4443US4788003APartial oxidation of ash-containing liquid hydrocarbonaceous and solid carbonaceousTEXACO INC·Filed 1987·Granted Nov 29, 1988·5 cites·28 claims
- 4540US4557403ADry feeder for finely divided solids into high pressure atmosphereTEXACO INC·Filed 1984·Granted Dec 10, 1985·5 cites·10 claims
- 4635US9381446B2System for deaeration in a flash vesselBENIPAL RUPINDER SINGH·Filed 2012·Granted Jul 5, 2016·0 cites·24 claims
- 4734US4549886AOperation of gas generatorTEXACO INC·Filed 1984·Granted Oct 29, 1985·3 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →