Inventor

PEFFLEY THOMAS R

US3 patents

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

DELPHI TECH INC

2 patents

US7201142B2Apr 10, 2007

Variable center pivot tumble control valve geometry for an intake manifold

DELPHI TECH INC13 citations80

US8033019B2Oct 11, 2011

Three-piece lower manifold for a V-style engine intake manifold

DELPHI TECH INC0 citations35

GEN MOTORS CORP

1 patent

US4539963ASep 10, 1985

Shaft mounted valve position sensor

GEN MOTORS CORP10 citations70