Inventor
SHEAFFER BENJAMIN L
US14 patents
Patents
14 patentsUS5253625AOct 19, 1993
Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons
BRUNSWICK CORP24 citations92
US4844025AJul 4, 1989
Dual spark plug combustion chamber
BRUNSWICK CORP24 citations92
US4481910ANov 13, 1984
Stratified-charge two-stroke cycle engine
BRUNSWICK CORP31 citations92
US4603665AAug 5, 1986
Hypereutectic aluminum-silicon casting alloy
BRUNSWICK CORP24 citations82
US4461251AJul 24, 1984
Crankcase supercharged four cycle engine with jet pump assist
BRUNSWICK CORP22 citations81
US5111869AMay 12, 1992
Evaporable foam pattern for casting a cylinder block of a two-cycle engine
BRUNSWICK CORP8 citations73
US5035276AJul 30, 1991
Evaporable foam pattern assembly for casting a housing for a rotary engine
BRUNSWICK CORP8 citations73
US4911122AMar 27, 1990
Tuned intake air inlet for a rotary engine
BRUNSWICK CORP8 citations73
US4821694AApr 18, 1989
Hypereutectic aluminum-silicon casting alloy
BRUNSWICK CORP18 citations73
US4481911ANov 13, 1984
Stratified-charge cross-flow scavenged two-stroke cycle engine
BRUNSWICK CORP12 citations73
US4475499AOct 9, 1984
Inlet tuning of crankcase supercharged four cycle engine
BRUNSWICK CORP11 citations73
US5129378AJul 14, 1992
Two-cycle marine engine having aluminum-silicon alloy block and iron plated pistons
BRUNSWICK CORP17 citations68
US4915603AApr 10, 1990
Rotary engine cooling system
BRUNSWICK CORP4 citations62
US4911623AMar 27, 1990
Method and apparatus for lubricating a rotary engine
BRUNSWICK CORP4 citations62