Inventor
GRAJKOWSKI KARL J
US15 patents
⚠️ This page may combine multiple inventors who share the name “GRAJKOWSKI KARL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLARIS INC
10 patentsUS10086698B2Oct 2, 2018
Electronic throttle control
POLARIS INC38 citations96
US9429235B2Aug 30, 2016
Primary clutch electronic CVT
POLARIS INC41 citations96
US9151384B2Oct 6, 2015
Primary clutch electronic CVT
POLARIS INC35 citations96
US8682550B2Mar 25, 2014
Primary clutch electronic CVT
POLARIS INC48 citations96
US10933744B2Mar 2, 2021
Electronic throttle control
POLARIS INC3 citations72
US11390262B2Jul 19, 2022
Device and method for supervising and modifying vehicle operation
POLARIS INC5 citations70
US10672207B2Jun 2, 2020
Diagnostic systems and methods of a continuously variable transmission
POLARIS INC3 citations70
US12391116B2Aug 19, 2025
Adjustable performance for a vehicle
POLARIS INC0 citations61
US12447943B2Oct 21, 2025
Device and method for supervising and modifying vehicle operation
POLARIS INC0 citations59
US12118835B2Oct 15, 2024
Diagnostic systems and methods of a continuously variable transmission
POLARIS INC0 citations59