Inventor · disambiguated record
Benjamin L. Sheaffer
Also filed as: SHEAFFER BENJAMIN L
14 granted patents·215 citations·filing 1982–1992
93Inventor score
Files withBRUNSWICK CORP14
Top patents by PatentIndex Score
14 records- 0183US4481910AStratified-charge two-stroke cycle engineBRUNSWICK CORP·Filed 1983·Granted Nov 13, 1984·31 cites·10 claims
- 0278US5253625AInternal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistonsBRUNSWICK CORP·Filed 1992·Granted Oct 19, 1993·24 cites·8 claims
- 0378US4603665AHypereutectic aluminum-silicon casting alloyBRUNSWICK CORP·Filed 1985·Granted Aug 5, 1986·24 cites·4 claims
- 0474US4844025ADual spark plug combustion chamberBRUNSWICK CORP·Filed 1988·Granted Jul 4, 1989·24 cites·6 claims
- 0573US4461251ACrankcase supercharged four cycle engine with jet pump assistBRUNSWICK CORP·Filed 1982·Granted Jul 24, 1984·22 cites·6 claims
- 0671US4821694AHypereutectic aluminum-silicon casting alloyBRUNSWICK CORP·Filed 1986·Granted Apr 18, 1989·18 cites·7 claims
- 0758US5035276AEvaporable foam pattern assembly for casting a housing for a rotary engineBRUNSWICK CORP·Filed 1989·Granted Jul 30, 1991·8 cites·27 claims
- 0853US5129378ATwo-cycle marine engine having aluminum-silicon alloy block and iron plated pistonsBRUNSWICK CORP·Filed 1991·Granted Jul 14, 1992·17 cites·12 claims
- 0951US4481911AStratified-charge cross-flow scavenged two-stroke cycle engineBRUNSWICK CORP·Filed 1983·Granted Nov 13, 1984·12 cites·12 claims
- 1051US4475499AInlet tuning of crankcase supercharged four cycle engineBRUNSWICK CORP·Filed 1982·Granted Oct 9, 1984·11 cites·4 claims
- 1142US4911122ATuned intake air inlet for a rotary engineBRUNSWICK CORP·Filed 1988·Granted Mar 27, 1990·8 cites·11 claims
- 1239US5111869AEvaporable foam pattern for casting a cylinder block of a two-cycle engineBRUNSWICK CORP·Filed 1990·Granted May 12, 1992·8 cites·14 claims
- 1334US4915603ARotary engine cooling systemBRUNSWICK CORP·Filed 1988·Granted Apr 10, 1990·4 cites·3 claims
- 1434US4911623AMethod and apparatus for lubricating a rotary engineBRUNSWICK CORP·Filed 1989·Granted Mar 27, 1990·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →