Hedlund; Darren J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedlund; Darren J..The latest application filed is for "turbocharger system for a two-stroke engine having selectable boost modes".
- Hedlund; Darren J. - Roseau MN
| Patent | Date |
|---|---|
| Turbocharger system for a two-stroke engine having selectable boost modes Grant 11,434,834 - Blake , et al. September 6, 2 | 2022-09-06 |
| System and method for controlling operation of a two-stroke engine having a turbocharger Grant 11,384,697 - Buchwitz , et al. July 12, 2 | 2022-07-12 |
| Exhaust system for a vehicle Grant 11,352,935 - Buchwitz , et al. June 7, 2 | 2022-06-07 |
| Exhaust gas bypass valve system for a turbocharged engine Grant 11,280,258 - Buchwitz , et al. March 22, 2 | 2022-03-22 |
| Method and system for controlling pressure in a tuned pipe of a two stroke engine Grant 11,236,668 - Buchwitz , et al. February 1, 2 | 2022-02-01 |
| Turbocharger System For A Two-Stroke Engine Having Selectable Boost Modes App 20210310426 - Blake; Dallas J. ; et al. | 2021-10-07 |
| Turbocharger Lubrication System For A Two-Stroke Engine App 20210310374 - Zimney; Derek D. ; et al. | 2021-10-07 |
| System and method for bypassing a turbocharger of a two stroke engine Grant 11,131,235 - Buchwitz , et al. September 28, 2 | 2021-09-28 |
| System And Method For Controlling Operation Of A Two-Stroke Engine Having A Turbocharger App 20210215093 - Buchwitz; James H. ; et al. | 2021-07-15 |
| Cooling jacket for exhaust valve and thermostat and cooling bottle Grant 11,041,429 - Hedlund , et al. June 22, 2 | 2021-06-22 |
| Method And System For Controlling A Turbocharged Two Stroke Engine Based On Boost Error App 20210131366 - BLAKE; Dallas J. ; et al. | 2021-05-06 |
| Two-Passage Exhaust System For An Engine App 20210131343 - Bryant; William J. ; et al. | 2021-05-06 |
| Battery key, starter and improved crank Grant 10,731,620 - Blake , et al. | 2020-08-04 |
| Exhaust Gas Bypass Valve Control For A Turbocharger For A Two-Stroke Engine App 20200182167 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| Exhaust Gas Bypass Valve System For A Turbocharged Engine App 20200182139 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| Cooling Jacket For Exhaust Valve And Thermostat And Cooling Bottle App 20200182130 - HEDLUND; Darren J. ; et al. | 2020-06-11 |
| Turbocharger System For A Two-stroke Engine App 20200182138 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| System And Method For Bypassing A Turbocharger Of A Two Stroke Engine App 20200182140 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| Wastegate Sizing For Turbocharger For A Two-Stroke Engine App 20200182142 - ZIMNEY; Derek D. ; et al. | 2020-06-11 |
| Exhaust System For A Vehicle App 20200182123 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| Method And System For Controlling Pressure In A Tuned Pipe Of A Two Stroke Engine App 20200182141 - BUCHWITZ; James H. ; et al. | 2020-06-11 |
| Exhaust-tuning port and timing and combustion chamber shape Grant 10,648,399 - Barczak , et al. | 2020-05-12 |
| Cooling jacket for exhaust valve and thermostat and cooling bottle Grant 10,590,833 - Hedlund , et al. | 2020-03-17 |
| Battery Key, Starter And Improved Crank App 20190136818 - BLAKE; Dallas J. ; et al. | 2019-05-09 |
| Cooling Jacket For Exhaust Valve And Thermostat And Cooling Bottle App 20190101223 - Hedlund; Darren J. ; et al. | 2019-04-04 |
| Exhaust-tuning Port And Timing And Combustion Chamber Shape App 20190101050 - Barczak; James A ; et al. | 2019-04-04 |
| Snowmobile Grant 9,845,004 - Hedlund , et al. December 19, 2 | 2017-12-19 |
| Snowmobile Grant 9,809,195 - Giese , et al. November 7, 2 | 2017-11-07 |
| Snowmobile App 20150197149 - Hedlund; Darren J. ; et al. | 2015-07-16 |
| Snowmobile App 20140076648 - Giese; Timothy J. ; et al. | 2014-03-20 |
| Fuel injection system and method for two-cycle engines Grant 7,089,892 - Hosaluk , et al. August 15, 2 | 2006-08-15 |
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