P

Inventor

HEWETTE CHIP

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

ROBERTSHAW CONTROLS CO

3 patents
US4915083AApr 10, 1990

Exhaust gas recirculation valve construction and method of making the same

ROBERTSHAW CONTROLS CO28 citations90
US4782811ANov 8, 1988

Exhaust gas recirculation valve construction and method of making the same

ROBERTSHAW CONTROLS CO38 citations90
US4825840AMay 2, 1989

Exhaust gas recirculation valve construction and method of making the same

ROBERTSHAW CONTROLS CO14 citations71

COPELAND CORP

1 patent
US5341654AAug 30, 1994

Suction gas conduit

COPELAND CORP31 citations89

AFTON CHEMICAL CORP

1 patent
US7410935B2Aug 12, 2008

Gear fluids

AFTON CHEMICAL CORP2 citations60

DEGONIA DAVID J

1 patent
US8299003B2Oct 30, 2012

Composition comprising a sulfur-containing, phosphorus-containing compound, and/or its salt, and uses thereof

DEGONIA DAVID J1 citations44