DH

Darren J. Hedlund

PI Polaris Industries: 6 patents #2 of 182Top 2%
📍 Roseau, MN: #1 of 25 inventorsTop 4%
🗺 Minnesota: #189 of 6,752 inventorsTop 3%
Overall (2023): #23,407 of 537,848Top 5%
6
Patents 2023

Issued Patents 2023

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11828239 Method and system for controlling a turbocharged two stroke engine based on boost error Dallas J. Blake, James H. Buchwitz, Lucas R. Salfer, Reed A. Hanson, Eric L. Gausen 2023-11-28
11788432 Turbocharger lubrication system for a two-stroke engine Derek D. Zimney, James H. Buchwitz, Dallas J. Blake, Alexander M. Hetteen, Daniel E. Erickson +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, Reed A. Hanson, Derek D. Zimney +4 more 2023-10-10
11725573 Two-passage exhaust system for an engine William Joseph Bryant, Derek D. Zimney, Angus M. Morison, Colton Ross, Ross Liberty +3 more 2023-08-15
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
11639684 Exhaust gas bypass valve control for a turbocharger for a two-stroke engine James H. Buchwitz, Derek D. Zimney, Lucas R. Salfer, Reed A. Hanson, Dallas J. Blake 2023-05-02