Inventor · disambiguated record
Ronald M. Heck
Also filed as: HECK RONALD M · HECK RONALD MARSHALL
35 granted patents·7 pending applications·2,216 citations·filing 1975–2004
98Inventor score
Top patents by PatentIndex Score
42 records- 0198US6171556B1Method and apparatus for treating an engine exhaust gas streamENGELHARD CORP·Filed 1993·Granted Jan 9, 2001·247 cites·25 claims
- 0298US4844837ACatalytic partial oxidation processENGELHARD CORP·Filed 1982·Granted Jul 4, 1989·157 cites·12 claims
- 0397US5462907ACeria-alumina oxidation catalystENGELHARD CORP·Filed 1994·Granted Oct 31, 1995·137 cites·13 claims
- 0497US4522894AFuel cell electric power productionENGELHARD CORP·Filed 1984·Granted Jun 11, 1985·410 cites·23 claims
- 0596US6569393B1Method and device for cleaning the atmosphereENGELHARD CORP·Filed 2000·Granted May 27, 2003·82 cites·19 claims
- 0695US6190627B1Method and device for cleaning the atmosphereENGELHARD CORP·Filed 1999·Granted Feb 20, 2001·92 cites·20 claims
- 0792US6237575B1Dynamic infrared sensor for automotive pre-vaporized fueling controlENGELHARD CORP·Filed 1999·Granted May 29, 2001·73 cites·28 claims
- 0891US5627124ACeria-alumina oxidation catalystENGELHARD CORP·Filed 1995·Granted May 6, 1997·80 cites·12 claims
- 0990US6214303B1Method and apparatus for treating the atmosphereENGELHARD CORP·Filed 1996·Granted Apr 10, 2001·106 cites·17 claims
- 1090US6044644AClose coupled catalystENGELHARD CORP·Filed 1994·Granted Apr 4, 2000·60 cites·31 claims
- 1189US6497851B1Engine exhaust treatment apparatus and method of useENGELHARD CORP·Filed 1995·Granted Dec 24, 2002·90 cites·28 claims
- 1288US6506605B1System for sensing catalyst coating loss and efficiencyENGELHARD CORP·Filed 2000·Granted Jan 14, 2003·36 cites·69 claims
- 1388US4118171AMethod for effecting sustained combustion of carbonaceous fuelENGELHARD MIN & CHEM·Filed 1976·Granted Oct 3, 1978·58 cites·12 claims
- 1487US6555079B2Method and device for cleaning the atmosphereENGELHARD CORP·Filed 2001·Granted Apr 29, 2003·22 cites·13 claims
- 1587US6375905B1Corrugated metal substrate and coated product for ozone conversionENGELHARD CORP·Filed 2000·Granted Apr 23, 2002·35 cites·22 claims
- 1686US6863984B2Catalyst and adsorption compositions having improved adhesion characteristicsENGELHARD CORP·Filed 2001·Granted Mar 8, 2005·35 cites·6 claims
- 1785US6254842B1Method for using a close coupled catalystENGELHARD CORP·Filed 1999·Granted Jul 3, 2001·43 cites·7 claims
- 1885US4438082APlatinum gold catalyst for removing NOx and NH3 from gas streamsENGELHARD CORP·Filed 1982·Granted Mar 20, 1984·47 cites·7 claims
- 1984US6517899B1Catalyst and adsorption compositions having adhesion characteristicsENGELHARD CORP·Filed 2000·Granted Feb 11, 2003·34 cites·6 claims
- 2084US6319484B1Compositions for abatement of volatile organic compounds and apparatus and methods using the sameENGELHARD CORP·Filed 1999·Granted Nov 20, 2001·63 cites·52 claims
- 2183US4502444AAir-fuel ratio controllerENGELHARD CORP·Filed 1983·Granted Mar 5, 1985·32 cites·20 claims
- 2283US4054407AMethod of combusting nitrogen-containing fuelsENGELHARD MIN & CHEM·Filed 1975·Granted Oct 18, 1977·36 cites·23 claims
- 2382US6685898B2Hydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 2003·Granted Feb 3, 2004·16 cites·7 claims
- 2478US4412859AMethod for recovering platinum in a nitric acid plantENGELHARD CORP·Filed 1982·Granted Nov 1, 1983·31 cites·16 claims
- 2576US7080505B2Vehicular atmosphere cleansing methodENGELHARD CORP·Filed 2003·Granted Jul 25, 2006·20 cites·13 claims
- 2675US6212882B1Assembly, method, and motor vehicle for cleaning ambient air in the vicinity of an internal combustion engineVOLVO PERSONVAGNAR AB & ENGELH·Filed 1999·Granted Apr 10, 2001·52 cites·28 claims
- 2773US6818254B1Stable slurries of catalytically active materialsENGELHARD CORP·Filed 1996·Granted Nov 16, 2004·35 cites·28 claims
- 2868US6156283AHydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 1998·Granted Dec 5, 2000·21 cites·4 claims
- 2968US5956945AApparatus and method for diagnosis of catalyst performanceENGELHARD CORP·Filed 1997·Granted Sep 28, 1999·30 cites·54 claims
- 3063US6872686B2Hydrophobic catalytic materials and method of forming the sameENGELHARD CORP·Filed 2003·Granted Mar 29, 2005·3 cites·1 claims
- 3161US7083829B2Vehicle having atmosphere pollutant treating surfaceENGELHARD CORP·Filed 2004·Granted Aug 1, 2006·13 cites·2 claims
- 3248US4526614AMethod for recovering platinum in a nitric acid plantENGELHARD CORP·Filed 1982·Granted Jul 2, 1985·7 cites·32 claims
- 3348US4497657AMethod for recovering platinum in a nitric acid plantENGELHARD CORP·Filed 1983·Granted Feb 5, 1985·11 cites·20 claims
- 3445US6586359B1Catalytic material for treating pollutant-containing gasesENGELHARD CORP·Filed 2000·Granted Jul 1, 2003·0 cites·9 claims
- 3544US2002071800A1Method and device for cleaning the atmosphereENGELHARD CORP·Filed 2001·Application pending·0 cites
- 3644US2004166036A1Catalytic converter system for internal combustion engine powered vehiclesENGELHARD CORP·Filed 2004·Application pending·0 cites
- 3742US2003166466A1Catalyst and adsorption compositions having improved adhesion characteristicsFiled 2002·Application pending·0 cites
- 3841US4433191ASkeletal isomerization of n-alkenesENGELHARD CORP·Filed 1982·Granted Feb 21, 1984·2 cites·10 claims
- 3941US2001036432A1Close coupled catalystENGELHARD CORP·Filed 2001·Application pending·0 cites
- 4041US2002172633A1Vehicular atmosphere cleansing systemFiled 2001·Application pending·0 cites
- 4140US2003059356A1Catalyst material aging methodENGELHARD CORP·Filed 2001·Application pending·0 cites
- 4236US2002018742A1Method and apparatus for treating the atmosphereENGELHARD CORP·Filed 2001·Application pending·0 cites
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