Inventor
HU ZHICHENG
US22 patents
⚠️ This page may combine multiple inventors who share the name “HU ZHICHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGELHARD CORP
12 patentsUS5597771AJan 28, 1997
Layered catalyst composite
ENGELHARD CORP314 citations98
US6497851B1Dec 24, 2002
Engine exhaust treatment apparatus and method of use
ENGELHARD CORP90 citations97
US5898014AApr 27, 1999
Catalyst composition containing oxygen storage components
ENGELHARD CORP124 citations97
US7276212B2Oct 2, 2007
Exhaust articles for internal combustion engines
ENGELHARD CORP102 citations96
US6044644AApr 4, 2000
Close coupled catalyst
ENGELHARD CORP60 citations96
US6214303B1Apr 10, 2001
Method and apparatus for treating the atmosphere
ENGELHARD CORP106 citations95
US5895636AApr 20, 1999
Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams
ENGELHARD CORP45 citations94
US6818254B1Nov 16, 2004
Stable slurries of catalytically active materials
ENGELHARD CORP35 citations92
US6254842B1Jul 3, 2001
Method for using a close coupled catalyst
ENGELHARD CORP43 citations92
US6239064B1May 29, 2001
Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams
ENGELHARD CORP30 citations92
US7037875B2May 2, 2006
Catalyst support
ENGELHARD CORP31 citations89
US7083829B2Aug 1, 2006
Vehicle having atmosphere pollutant treating surface
ENGELHARD CORP13 citations83