KG

Karl J. Grajkowski

PI Polaris Industries: 12 patents #55 of 746Top 8%
BA Bombardier Motor Corporation Of America: 1 patents #73 of 117Top 65%
BR Brunswick: 1 patents #737 of 1,301Top 60%
OM Outboard Marine: 1 patents #244 of 426Top 60%
📍 Hudson, WI: #60 of 466 inventorsTop 15%
🗺 Wisconsin: #2,916 of 40,088 inventorsTop 8%
Overall (All Time): #309,743 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12391116 Adjustable performance for a vehicle Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson 2025-08-19
12118835 Diagnostic systems and methods of a continuously variable transmission Jonathon P. Graus, Bruce E. Herrala, Amery D. Kuhl, Ryan D. Carlson, John F. Kallis 2024-10-15
11390262 Device and method for supervising and modifying vehicle operation Brian E. Brandt, Scott D. Taylor, Russell G. Olsen, David G. Hille, Trevor J. LaJoye 2022-07-19
10933744 Electronic throttle control Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson 2021-03-02
10672207 Diagnostic systems and methods of a continuously variable transmission Ryan D. Carlson, Brian R. Gillingham, Amery D. Kuhl, John F. Kallis, Bruce E. Herrala +2 more 2020-06-02
10086698 Electronic throttle control Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson 2018-10-02
9429235 Primary clutch electronic CVT Brian D. Krosschell, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson +6 more 2016-08-30
9381810 Electronic throttle control Stephen L. Nelson, Scott P Sandstrom 2016-07-05
9162573 Electronic throttle control Eric P. Nault, Steve Erickson, David J. Koenig 2015-10-20
9151384 Primary clutch electronic CVT Beat R. Kohler, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson +5 more 2015-10-06
8682550 Primary clutch electronic CVT Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Brian D. Krosschell +5 more 2014-03-25
8534397 Electronic throttle control David J. Koenig, Brian R. Gillingham, Ryan D. Carlson, Amber P. Malone, Stephen L. Nelson 2013-09-17
6736107 Method for controlling direct fuel injection of an engine during starting procedures 2004-05-18
6526938 Cold start strategy for direct injected engines Phillip J. Bylsma, Todd D. Craft, Paul Ng, Peter Lucier 2003-03-04
6170457 Fuel injection engine having fuel spray deflector 2001-01-09