P

Inventor

MATTHEWS JOHN H

US5 patents
⚠️ This page may combine multiple inventors who share the name “MATTHEWS JOHN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUBRIZOL CORP

3 patents
US6585009B2Jul 1, 2003

System for periodic fluid maintenance of apparatus

LUBRIZOL CORP34 citations88
US6568436B1May 27, 2003

System for periodic fluid maintenance of apparatus

LUBRIZOL CORP23 citations88
US6647838B2Nov 18, 2003

Coupler tool

LUBRIZOL CORP3 citations52

PNEUMO ABEX CORP

1 patent
US4872370AOct 10, 1989

Piston rod assembly including preloaded piston head and composite rod

PNEUMO ABEX CORP7 citations71

HICKS DALE

1 patent
US8251081B2Aug 28, 2012

Device for metering fluids

HICKS DALE6 citations64