Inventor
HECK RONALD M
US33 patents
⚠️ This page may combine multiple inventors who share the name “HECK RONALD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGELHARD CORP
30 patentsUS5462907AOct 31, 1995
Ceria-alumina oxidation catalyst
ENGELHARD CORP137 citations99
US4844837AJul 4, 1989
Catalytic partial oxidation process
ENGELHARD CORP157 citations98
US6569393B1May 27, 2003
Method and device for cleaning the atmosphere
ENGELHARD CORP82 citations97
US6497851B1Dec 24, 2002
Engine exhaust treatment apparatus and method of use
ENGELHARD CORP90 citations97
US6190627B1Feb 20, 2001
Method and device for cleaning the atmosphere
ENGELHARD CORP92 citations97
US4522894AJun 11, 1985
Fuel cell electric power production
ENGELHARD CORP410 citations97
US6319484B1Nov 20, 2001
Compositions for abatement of volatile organic compounds and apparatus and methods using the same
ENGELHARD CORP63 citations96
US6044644AApr 4, 2000
Close coupled catalyst
ENGELHARD CORP60 citations96
US5627124AMay 6, 1997
Ceria-alumina oxidation catalyst
ENGELHARD CORP80 citations96
US6214303B1Apr 10, 2001
Method and apparatus for treating the atmosphere
ENGELHARD CORP106 citations95
US6237575B1May 29, 2001
Dynamic infrared sensor for automotive pre-vaporized fueling control
ENGELHARD CORP73 citations93
US6863984B2Mar 8, 2005
Catalyst and adsorption compositions having improved adhesion characteristics
ENGELHARD CORP35 citations92
US6818254B1Nov 16, 2004
Stable slurries of catalytically active materials
ENGELHARD CORP35 citations92
US6555079B2Apr 29, 2003
Method and device for cleaning the atmosphere
ENGELHARD CORP22 citations92
US6517899B1Feb 11, 2003
Catalyst and adsorption compositions having adhesion characteristics
ENGELHARD CORP34 citations92
US6254842B1Jul 3, 2001
Method for using a close coupled catalyst
ENGELHARD CORP43 citations92
US5956945ASep 28, 1999
Apparatus and method for diagnosis of catalyst performance
ENGELHARD CORP30 citations92
US4438082AMar 20, 1984
Platinum gold catalyst for removing NOx and NH3 from gas streams
ENGELHARD CORP47 citations92
US6685898B2Feb 3, 2004
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP16 citations91
US6156283ADec 5, 2000
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP21 citations91
US4412859ANov 1, 1983
Method for recovering platinum in a nitric acid plant
ENGELHARD CORP31 citations91
US6375905B1Apr 23, 2002
Corrugated metal substrate and coated product for ozone conversion
ENGELHARD CORP35 citations90
US4502444AMar 5, 1985
Air-fuel ratio controller
ENGELHARD CORP32 citations86
US7083829B2Aug 1, 2006
Vehicle having atmosphere pollutant treating surface
ENGELHARD CORP13 citations83
US7080505B2Jul 25, 2006
Vehicular atmosphere cleansing method
ENGELHARD CORP20 citations83
US4526614AJul 2, 1985
Method for recovering platinum in a nitric acid plant
ENGELHARD CORP7 citations71
US4497657AFeb 5, 1985
Method for recovering platinum in a nitric acid plant
ENGELHARD CORP11 citations68
US6872686B2Mar 29, 2005
Hydrophobic catalytic materials and method of forming the same
ENGELHARD CORP3 citations62
US4433191AFeb 21, 1984
Skeletal isomerization of n-alkenes
ENGELHARD CORP2 citations58
US6586359B1Jul 1, 2003
Catalytic material for treating pollutant-containing gases
ENGELHARD CORP0 citations51