Inventor

SHEA PATRICK R

US3 patents

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

QUIGLEY DAVID P

1 patent

US8276563B2Oct 2, 2012

Internal combustion engine piston

QUIGLEY DAVID P27 citations86

(unassigned)

1 patent

US5970946AOct 26, 1999

Non-annular piston bowl for two-valve engines using offset injectors

21 citations84

CUMMINS ELECTRONICS INC

1 patent

US4944260AJul 31, 1990

Air intake heater system for internal combustion engines

CUMMINS ELECTRONICS INC50 citations84