DH

Darren J. Hedlund

PI Polaris Industries: 5 patents #4 of 137Top 3%
📍 Roseau, MN: #1 of 21 inventorsTop 5%
🗺 Minnesota: #258 of 6,876 inventorsTop 4%
Overall (2022): #33,445 of 548,613Top 7%
5
Patents 2022

Issued Patents 2022

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
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, Derek D. Zimney, Reed A. Hanson, Daniel E. Erickson, Chad A. Dale 2022-06-07
11280258 Exhaust gas bypass valve system for a turbocharged engine James H. Buchwitz, Lucas R. Salfer, Jon P. Brandt 2022-03-22
11236668 Method and system for controlling pressure in a tuned pipe of a two stroke engine James H. Buchwitz, Jon P. Brandt, Reed A. Hanson, Lucas R. Salfer, Derek D. Zimney 2022-02-01