Inventor · disambiguated record
Karl J. Grajkowski
Also filed as: GRAJKOWSKI KARL · GRAJKOWSKI KARL J
16 granted patents·1 pending application·343 citations·filing 1998–2024
94Inventor score
Files withPOLARIS INC11GRAJKOWSKI KARL J2BOMBARDIER MOTOR CORP OF US1BRUNSWICK CORP1NELSON STEPHEN L1
Top patents by PatentIndex Score
17 records- 0197US10086698B2Electronic throttle controlPOLARIS INC·Filed 2014·Granted Oct 2, 2018·38 cites·18 claims
- 0297US8534397B2Electronic throttle controlGRAJKOWSKI KARL J·Filed 2011·Granted Sep 17, 2013·69 cites·46 claims
- 0396US8682550B2Primary clutch electronic CVTPOLARIS INC·Filed 2012·Granted Mar 25, 2014·48 cites·12 claims
- 0495US9429235B2Primary clutch electronic CVTPOLARIS INC·Filed 2012·Granted Aug 30, 2016·41 cites·17 claims
- 0595US9151384B2Primary clutch electronic CVTPOLARIS INC·Filed 2012·Granted Oct 6, 2015·35 cites·15 claims
- 0694US9162573B2Electronic throttle controlGRAJKOWSKI KARL J·Filed 2011·Granted Oct 20, 2015·43 cites·17 claims
- 0793US9381810B2Electronic throttle controlNELSON STEPHEN L·Filed 2011·Granted Jul 5, 2016·41 cites·17 claims
- 0891US11390262B2Device and method for supervising and modifying vehicle operationPOLARIS INC·Filed 2017·Granted Jul 19, 2022·5 cites·29 claims
- 0985US10933744B2Electronic throttle controlPOLARIS INC·Filed 2018·Granted Mar 2, 2021·3 cites·18 claims
- 1081US10672207B2Diagnostic systems and methods of a continuously variable transmissionPOLARIS INC·Filed 2018·Granted Jun 2, 2020·3 cites·32 claims
- 1181US2025069449A1Diagnostic systems and methods of a continuously variable transmissionPOLARIS INC·Filed 2024·Application pending·0 cites
- 1275US12118835B2Diagnostic systems and methods of a continuously variable transmissionPOLARIS INC·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 1373US12391116B2Adjustable performance for a vehiclePOLARIS INC·Filed 2021·Granted Aug 19, 2025·0 cites·39 claims
- 1472US12447943B2Device and method for supervising and modifying vehicle operationPOLARIS INC·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
- 1548US6736107B1Method for controlling direct fuel injection of an engine during starting proceduresBRUNSWICK CORP·Filed 2002·Granted May 18, 2004·4 cites·20 claims
- 1645US6526938B1Cold start strategy for direct injected enginesBOMBARDIER MOTOR CORP OF US·Filed 2000·Granted Mar 4, 2003·7 cites·32 claims
- 1733US6170457B1Fuel injection engine having fuel spray deflectorOUTBOARD MARINE CORP·Filed 1998·Granted Jan 9, 2001·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →