P

Inventor

TOLSMA JAY

US6 patents
⚠️ This page may combine multiple inventors who share the name “TOLSMA JAY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN MOTORS CORP

4 patents
US6598589B2Jul 29, 2003

Engine control algorithm-cold start A/F modifier

GEN MOTORS CORP27 citations89
US5010918AApr 30, 1991

Reed valve having variable length petal

GEN MOTORS CORP9 citations71
US6789517B2Sep 14, 2004

Method for managing thermal load on an engine

GEN MOTORS CORP3 citations60
US6286487B1Sep 11, 2001

Fuel control for a variable cam phase engine

GEN MOTORS CORP3 citations59

GM GLOBAL TECH OPERATIONS INC

1 patent
US7546761B2Jun 16, 2009

Diesel oxidation catalyst (DOC) temperature sensor rationality diagnostic

GM GLOBAL TECH OPERATIONS INC18 citations82

HE CHUAN

1 patent
US8443589B2May 21, 2013

Diesel oxidation catalyst efficiency diagnostic method

HE CHUAN5 citations72