Inventor
GIACOMAZZI ROY A
US11 patents
⚠️ This page may combine multiple inventors who share the name “GIACOMAZZI ROY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
9 patentsUS4765504AAug 23, 1988
Vapor venting valve for vehicle fuel system
GEN MOTORS CORP73 citations95
US4724861AFeb 16, 1988
Fuel tank venting
GEN MOTORS CORP57 citations95
US5437257AAug 1, 1995
Evaporative emission control system with vent valve
GEN MOTORS CORP60 citations93
US4630749ADec 23, 1986
Fuel fill tube with vapor vent and overfill protection
GEN MOTORS CORP111 citations92
US4989572AFeb 5, 1991
Vehicle fuel system with reduced tank heating
GEN MOTORS CORP54 citations91
US4798306AJan 17, 1989
Fuel tank venting
GEN MOTORS CORP29 citations89
US4881578ANov 21, 1989
Combination filler pipe and vapor control means
GEN MOTORS CORP36 citations88
US4993225AFeb 19, 1991
Two cycle engine vapor emission control
GEN MOTORS CORP8 citations70
US4673009AJun 16, 1987
Fuel tank venting
GEN MOTORS CORP5 citations61