Inventor

STETTER RALPH

DE4 patents

⚠️ This page may combine multiple inventors who share the name “STETTER RALPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAIMLER CHRYSLER AG

2 patents

US6318075B1Nov 20, 2001

Method and device for periodically desulphating a nitrogen oxide or sulphur oxide storage vessel with rich/lean engine cylinder distribution

DAIMLER CHRYSLER AG72 citations95

US6749754B1Jun 15, 2004

Method for desulphurizing engine fuel on board a motor vehicle

DAIMLER CHRYSLER AG32 citations92

PORSCHE AG

1 patent

US6134882AOct 24, 2000

Regulating strategy for an NOx trap

PORSCHE AG35 citations89

BAYERISCHE MOTOREN AG

1 patent

US6041592AMar 28, 2000

Control system and method for an NOx accumulator

BAYERISCHE MOTOREN AG22 citations85