Inventor
FOSTER MICHAEL RALPH
US19 patents
⚠️ This page may combine multiple inventors who share the name “FOSTER MICHAEL RALPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELPHI TECH INC
10 patentsUS6159430ADec 12, 2000
Catalytic converter
DELPHI TECH INC75 citations96
US6904752B2Jun 14, 2005
Engine cylinder deactivation to improve the performance of exhaust emission control systems
DELPHI TECH INC81 citations95
US6591497B2Jul 15, 2003
Method of making converter housing size based upon substrate size
DELPHI TECH INC66 citations95
US6786191B2Sep 7, 2004
Engine cylinder deactivation to improve vehicle interior heating and defrosting
DELPHI TECH INC28 citations92
US6273119B1Aug 14, 2001
Exhaust control valve and method of manufacturing same
DELPHI TECH INC37 citations92
US6919052B2Jul 19, 2005
Catalytic converter
DELPHI TECH INC22 citations91
US6497847B2Dec 24, 2002
Catalytic converter end plate inlet/outlet plenum length ratio
DELPHI TECH INC41 citations91
US7047731B2May 23, 2006
Diesel particulate filter ash removal
DELPHI TECH INC30 citations86
US6797241B2Sep 28, 2004
Non-thermal plasma reactor having individually retained positive and negative reactor plates
DELPHI TECH INC8 citations74
US6821492B1Nov 23, 2004
Stronger catalyst using selective washcoat location
DELPHI TECH INC3 citations56
GEN MOTORS CORP
9 patentsUS6024928AFeb 15, 2000
By-pass flow catalytic converter
GEN MOTORS CORP26 citations92
US5693295ADec 2, 1997
Catalytic converter
GEN MOTORS CORP29 citations92
US6158120ADec 12, 2000
Method for making a catalytic converter containing a multiple layer mat
GEN MOTORS CORP31 citations90
US5804147ASep 8, 1998
Exhaust gas management apparatus and method
GEN MOTORS CORP27 citations90
US6162403ADec 19, 2000
Spin formed vacuum bottle catalytic converter
GEN MOTORS CORP45 citations87
US5909916AJun 8, 1999
Method of making a catalytic converter
GEN MOTORS CORP45 citations87
US6185820B1Feb 13, 2001
Reduced cost substrate retaining mat
GEN MOTORS CORP16 citations84
US6099809AAug 8, 2000
Catalytic converter having a metal foil substrate
GEN MOTORS CORP17 citations82
US5857140AJan 5, 1999
Catalytic converter
GEN MOTORS CORP14 citations74