DZ

Derek D. Zimney

PI Polaris Industries: 15 patents #35 of 746Top 5%
📍 Roseau, MN: #7 of 134 inventorsTop 6%
🗺 Minnesota: #4,938 of 52,454 inventorsTop 10%
Overall (All Time): #310,160 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12416272 Systems and methods for engine start Stephen G. Crain, Trevor F. Rhodes, Yassin M. Kelay, David F. Buehler, Markus Hoffet +10 more 2025-09-16
12018611 Turbocharger system for a two-stroke engine Sean Trihey, Darren J. Hedlund, Reed A. Hanson, Lucas R. Salfer, James H. Buchwitz 2024-06-25
12006860 Turbocharger system for a two-stroke engine James H. Buchwitz, Lucas R. Salfer, Tim Keller, Karsten Scholle, Marcel Semrau +1 more 2024-06-11
11788432 Turbocharger lubrication system for a two-stroke engine James H. Buchwitz, Dallas J. Blake, Alexander M. Hetteen, Daniel E. Erickson, Chad A. Dale +4 more 2023-10-17
11781494 Turbocharger system for a two-stroke engine having selectable boost modes James H. Buchwitz, Lucas R. Salfer, James A. Barczak, Darren J. Hedlund, Reed A. Hanson +4 more 2023-10-10
11725599 System and method for controlling operation of a two-stroke engine having a turbocharger James H. Buchwitz, Dallas J. Blake, Lucas R. Salfer, Alexander M. Hetteen, Reed A. Hanson +3 more 2023-08-15
11725573 Two-passage exhaust system for an engine William Joseph Bryant, Angus M. Morison, Colton Ross, Ross Liberty, Lucas R. Salfer +3 more 2023-08-15
11639684 Exhaust gas bypass valve control for a turbocharger for a two-stroke engine James H. Buchwitz, Darren J. Hedlund, Lucas R. Salfer, Reed A. Hanson, Dallas J. Blake 2023-05-02
11434834 Turbocharger system for a two-stroke engine having selectable boost modes Dallas J. Blake, James H. Buchwitz, Lucas R. Salfer, Steven Ronald Hanson, Joseph D. Tharaldson +7 more 2022-09-06
11384697 System and method for controlling operation of a two-stroke engine having a turbocharger James H. Buchwitz, Dallas J. Blake, Lucas R. Salfer, Alexander M. Hetteen, Reed A. Hanson +3 more 2022-07-12
11352935 Exhaust system for a vehicle James H. Buchwitz, Darren J. Hedlund, Reed A. Hanson, Daniel E. Erickson, Chad A. Dale 2022-06-07
11236668 Method and system for controlling pressure in a tuned pipe of a two stroke engine James H. Buchwitz, Darren J. Hedlund, Jon P. Brandt, Reed A. Hanson, Lucas R. Salfer 2022-02-01
11174779 Turbocharger system for a two-stroke engine James H. Buchwitz, Lucas R. Salfer, Tim Keller, Marcel Semrau, Karsten Scholle 2021-11-16
11131235 System and method for bypassing a turbocharger of a two stroke engine James H. Buchwitz, Darren J. Hedlund, Lucas R. Salfer, Reed A. Hanson 2021-09-28
10870465 Power boost regulator Stephen G. Crain 2020-12-22