Inventor · disambiguated record
John J. Steger
Also filed as: STEGER JOHN J · STEGER JOHN JOSEPH
33 granted patents·3 pending applications·1,696 citations·filing 1978–2010
98Inventor score
Top patents by PatentIndex Score
36 records- 0199US7524465B2Multi-zone catalytic converterBASF CATALYSTS LLC·Filed 2006·Granted Apr 28, 2009·63 cites·25 claims
- 0298US7722829B2Pressure-balanced, catalyzed soot filterBASF CATALYSTS LLC·Filed 2005·Granted May 25, 2010·86 cites·21 claims
- 0398US6171556B1Method and apparatus for treating an engine exhaust gas streamENGELHARD CORP·Filed 1993·Granted Jan 9, 2001·247 cites·25 claims
- 0498US5357908AFuel modification method and apparatus for reduction of pollutants emitted from internal combustion enginesENGELHARD CORP·Filed 1993·Granted Oct 25, 1994·139 cites·17 claims
- 0597US6764665B2Layered catalyst compositeENGELHARD CORP·Filed 2001·Granted Jul 20, 2004·168 cites·62 claims
- 0695US5898014ACatalyst composition containing oxygen storage componentsENGELHARD CORP·Filed 1996·Granted Apr 27, 1999·124 cites·32 claims
- 0795US4721558AHydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfideEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Jan 26, 1988·92 cites·27 claims
- 0893US8372477B2Polymeric trap with adsorbentBASF CORP·Filed 2010·Granted Feb 12, 2013·18 cites·22 claims
- 0993US7578285B2Hydrocarbon adsorption filter for air intake system evaporative emission controlBASF CATALYSTS LLC·Filed 2005·Granted Aug 25, 2009·24 cites·15 claims
- 1092US6237575B1Dynamic infrared sensor for automotive pre-vaporized fueling controlENGELHARD CORP·Filed 1999·Granted May 29, 2001·73 cites·28 claims
- 1192US4361714APreparation of linear olefin productsEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Nov 30, 1982·35 cites·7 claims
- 1290US6214303B1Method and apparatus for treating the atmosphereENGELHARD CORP·Filed 1996·Granted Apr 10, 2001·106 cites·17 claims
- 1387US5981427ACatalyst compositionENGELHARD CORP·Filed 1996·Granted Nov 9, 1999·64 cites·48 claims
- 1486US5419121AMethod and apparatus for reduction of pollutants emitted from automotive engines by flame incinerationENGELHARD CORP·Filed 1993·Granted May 30, 1995·60 cites·22 claims
- 1584US6340066B1Pollutant treating devices and methods of making the sameENGELHARD CORP·Filed 1996·Granted Jan 22, 2002·57 cites·5 claims
- 1683US5888464ACatalyst composition containing an intimately combined cerium-zirconium oxideENGELHARD CORP·Filed 1997·Granted Mar 30, 1999·57 cites·21 claims
- 1782US6685898B2Hydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 2003·Granted Feb 3, 2004·16 cites·7 claims
- 1881US4824820AHydrotreating catalysts comprising a mixture of a sulfide of a promoter metal, amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfideEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Apr 25, 1989·36 cites·12 claims
- 1980US4595670AZeolite catalystEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jun 17, 1986·27 cites·28 claims
- 2079US7677226B2Hydrocarbon adsorption filter for air intake system evaporative emission controlBASF CATALYSTS LLC·Filed 2009·Granted Mar 16, 2010·6 cites·13 claims
- 2179US4595668ABound zeolite catalystEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jun 17, 1986·30 cites·23 claims
- 2279US4552856AZeolite catalyst and preparation thereofEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Nov 12, 1985·26 cites·8 claims
- 2376US4130492AMXY3 solid lubricantsEXXON RESEARCH ENGINEERING CO·Filed 1978·Granted Dec 19, 1978·20 cites·37 claims
- 2474US4648960ABound zeolite catalyst and process for using said catalystEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Mar 10, 1987·29 cites·5 claims
- 2568US6156283AHydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 1998·Granted Dec 5, 2000·21 cites·4 claims
- 2663US6872686B2Hydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 2003·Granted Mar 29, 2005·3 cites·1 claims
- 2763US6193504B1Portable rotary catalytic oxidizer systemsENGELHARD CORP·Filed 1998·Granted Feb 27, 2001·22 cites·12 claims
- 2861US4224182ANovel hindered alkyl aluminum amide cocatalystsEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Sep 23, 1980·13 cites·20 claims
- 2960US4634517AZeolite catalyst and process for using said catalyst (C-1591)EXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Jan 6, 1987·18 cites·3 claims
- 3057US4267157AProcess of preparing metal phosphorus trisulfidesEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted May 12, 1981·7 cites·8 claims
- 3145US6586359B1Catalytic material for treating pollutant-containing gasesENGELHARD CORP·Filed 2000·Granted Jul 1, 2003·0 cites·9 claims
- 3242US4716139AAmorphous sulfide catalysts of trivalent chromium and promoter metals and method of making sameEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Dec 29, 1987·7 cites·13 claims
- 3342US2004001781A1Multi-zone catalytic converterENGELHARD CORP·Filed 2002·Application pending·0 cites
- 3442US2002074174A1Pollutant treating devices and methods of making the sameENGELHARD CORP·Filed 2001·Application pending·0 cites
- 3536US2002018742A1Method and apparatus for treating the atmosphereENGELHARD CORP·Filed 2001·Application pending·0 cites
- 3633US4812227AHydrotreating with catalysts comprising mixtures of an amorphous sulfide or trivalent chromium and microcrystallites of molybdenum sulfide or tungsten sulfideEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Mar 14, 1989·2 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →