Inventor · disambiguated record
Gregg D. Langenfeld
Also filed as: LANGENFELD GREGG D · LANGENFELD GREGG DONALD
32 granted patents·1 pending application·344 citations·filing 2009–2021
97Inventor score
Files withBRUNSWICK CORP27LANGENFELD GREGG D2LANGENFELD GREGG DONALD2EICHINGER CHARLES H1TAYLOR CHRISTOPHER J1
Top patents by PatentIndex Score
33 records- 0198US10927745B1Cooling apparatus configurations for marine engines having a superchargerBRUNSWICK CORP·Filed 2019·Granted Feb 23, 2021·17 cites·20 claims
- 0297US9365274B1Outboard marine propulsion devices having cooling systemsBRUNSWICK CORP·Filed 2014·Granted Jun 14, 2016·20 cites·19 claims
- 0396US9365275B1Outboard marine propulsion devices and exhaust systems for outboard marine propulsion devicesBRUNSWICK CORP·Filed 2014·Granted Jun 14, 2016·17 cites·2 claims
- 0496US8763566B1Apparatus for cooling an engine of a marine propulsion systemBRUNSWICK CORP·Filed 2013·Granted Jul 1, 2014·22 cites·15 claims
- 0596US8540536B1Systems and methods for cooling marine enginesEICHINGER CHARLES H·Filed 2010·Granted Sep 24, 2013·24 cites·6 claims
- 0695US9616987B1Marine engines and exhaust systems for marine enginesBRUNSWICK CORP·Filed 2015·Granted Apr 11, 2017·24 cites·20 claims
- 0795US9457881B1Outboard marine engines having a bedplate and cover assemblyBRUNSWICK CORP·Filed 2014·Granted Oct 4, 2016·12 cites·18 claims
- 0894US10981636B1Marine engines having a superchargerBRUNSWICK CORP·Filed 2019·Granted Apr 20, 2021·16 cites·19 claims
- 0994US8696394B1Marine propulsion systems and cooling systems for marine propulsion systemsLANGENFELD GREGG D·Filed 2011·Granted Apr 15, 2014·19 cites·21 claims
- 1093US10934928B1Lubrication apapratus configurations for marine engines having a superchargerBRUNSWICK CORP·Filed 2019·Granted Mar 2, 2021·11 cites·20 claims
- 1193US9174818B1Marine engines and exhaust systems for marine engines having a catalyst for treating exhaustBRUNSWICK CORP·Filed 2014·Granted Nov 3, 2015·19 cites·18 claims
- 1293US8479691B1Method for cooling a four stroke marine engine with multiple path coolant flow through its cylinder headTAYLOR CHRISTOPHER J·Filed 2009·Granted Jul 9, 2013·27 cites·15 claims
- 1392US11421578B1Combination lubricant/filtration device for outboard motorsBRUNSWICK CORP·Filed 2019·Granted Aug 23, 2022·5 cites·17 claims
- 1492US10975762B1Marine engines having a supercharger and charge air coolersBRUNSWICK CORP·Filed 2019·Granted Apr 13, 2021·16 cites·20 claims
- 1592US9644514B1Exhaust systems for marine propulsion devices having sealing arrangementsBRUNSWICK CORP·Filed 2015·Granted May 9, 2017·7 cites·23 claims
- 1691US8668538B1Marine engines and exhaust systems for marine engines having a catalyst for treating exhaustLANGENFELD GREGG D·Filed 2011·Granted Mar 11, 2014·21 cites·22 claims
- 1789US11073116B1Cooling systems for marine engines having a superchargerBRUNSWICK CORP·Filed 2019·Granted Jul 27, 2021·15 cites·24 claims
- 1889US10344639B1Cooling apparatuses for cooling lubricant in a crankcase of a marine engineBRUNSWICK CORP·Filed 2017·Granted Jul 9, 2019·12 cites·20 claims
- 1989US9359058B1Outboard marine propulsion devices and methods of making outboard marine propulsion devices having exhaust runner cooling passagesBRUNSWICK CORP·Filed 2015·Granted Jun 7, 2016·13 cites·32 claims
- 2086US10988222B1Outboard motors and tie bar apparatuses for coupling an outboard motor to an adjacent outboard motorBRUNSWICK CORP·Filed 2019·Granted Apr 27, 2021·4 cites·19 claims
- 2186US9944373B1Arrangements for lubricating outboard marine enginesBRUNSWICK CORP·Filed 2016·Granted Apr 17, 2018·3 cites·21 claims
- 2284US9758228B1Exhaust manifolds for outboard marine enginesBRUNSWICK CORP·Filed 2016·Granted Sep 12, 2017·3 cites·18 claims
- 2382US9193429B1Systems and methods for indicating oil level in outboard motorsBRUNSWICK CORP·Filed 2012·Granted Nov 24, 2015·7 cites·21 claims
- 2477US9970331B1Arrangements for outboard marine engines having reduced widthBRUNSWICK CORP·Filed 2016·Granted May 15, 2018·1 cites·5 claims
- 2577US9676318B2Trailer step and guideLANGENFELD GREGG DONALD·Filed 2014·Granted Jun 13, 2017·7 cites·21 claims
- 2671US9518495B1Exhaust arrangements for marine propulsion devicesBRUNSWICK CORP·Filed 2014·Granted Dec 13, 2016·2 cites·18 claims
- 2765US11459943B1Sealing configurations for marine engines having a supercharger and charge air coolerBRUNSWICK CORP·Filed 2019·Granted Oct 4, 2022·0 cites·23 claims
- 2862US10174656B2Exhaust systems and methods of assembling exhaust systems for marine propulsion devicesBRUNSWICK CORP·Filed 2017·Granted Jan 8, 2019·0 cites·20 claims
- 2957US11511840B1Marine engines having a superchargerBRUNSWICK CORP·Filed 2021·Granted Nov 29, 2022·0 cites·18 claims
- 3056US9840955B1Exhaust systems and methods of assembling exhaust systems for marine propulsion devicesBRUNSWICK CORP·Filed 2015·Granted Dec 12, 2017·0 cites·20 claims
- 3151US9470130B1Exhaust arrangements for marine propulsion devicesBRUNSWICK CORP·Filed 2014·Granted Oct 18, 2016·0 cites·11 claims
- 3248US9551264B1Exhaust arrangements for marine propulsion devicesBRUNSWICK CORP·Filed 2014·Granted Jan 24, 2017·0 cites·12 claims
- 3345US2017259724A1Trailer step and guideLANGENFELD GREGG DONALD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →