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Benjamin L. Sheaffer
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Fond du Lac, WI, US
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last 30 patents
Information
Patent Grant
Internal combustion engine having a hypereutectic aluminum-silicon...
Patent number
5,253,625
Issue date
Oct 19, 1993
Brunswick Corporation
Raymond J. Donahue
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Two-cycle marine engine having aluminum-silicon alloy block and iro...
Patent number
5,129,378
Issue date
Jul 14, 1992
Brunswick Corporation
Raymond J. Donahue
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Evaporable foam pattern for casting a cylinder block of a two-cycle...
Patent number
5,111,869
Issue date
May 12, 1992
Brunswick Corporation
William D. Corbett
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Evaporable foam pattern assembly for casting a housing for a rotary...
Patent number
5,035,276
Issue date
Jul 30, 1991
Brunswick Corporation
William D. Corbett
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary engine cooling system
Patent number
4,915,603
Issue date
Apr 10, 1990
Brunswick Corporation
William D. Corbett
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for lubricating a rotary engine
Patent number
4,911,623
Issue date
Mar 27, 1990
Brunswick Corporation
William D. Corbett
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Dual spark plug combustion chamber
Patent number
4,844,025
Issue date
Jul 4, 1989
Brunswick Corporation
Benjamin L. Sheaffer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hypereutectic aluminum-silicon casting alloy
Patent number
4,821,694
Issue date
Apr 18, 1989
Brunswick Corporation
William G. Hesterberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hypereutectic aluminum-silicon casting alloy
Patent number
4,603,665
Issue date
Aug 5, 1986
Brunswick Corp.
William G. Hesterberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stratified-charge two-stroke cycle engine
Patent number
4,481,910
Issue date
Nov 13, 1984
Brunswick Corporation
Benjamin L. Sheaffer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stratified-charge cross-flow scavenged two-stroke cycle engine
Patent number
4,481,911
Issue date
Nov 13, 1984
Brunswick Corporation
Benjamin L. Sheaffer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Inlet tuning of crankcase supercharged four cycle engine
Patent number
4,475,499
Issue date
Oct 9, 1984
Brunswick Corporation
Benjamin L. Sheaffer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Crankcase supercharged four cycle engine with jet pump assist
Patent number
4,461,251
Issue date
Jul 24, 1984
Brunswick Corporation
Benjamin L. Sheaffer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS