Darren J. Hedlund

Person

Roseau, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Turbocharger lubrication system for a two-stroke engine
- Patent number 12,071,857
- Issue date Aug 27, 2024
- Polaris Industries Inc.
- Darren J. Hedlund
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbocharger system for a two-stroke engine
- Patent number 12,018,611
- Issue date Jun 25, 2024
- Polaris Industries Inc.
- Sean Trihey
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for controlling a turbocharged two stroke engine...
- Patent number 11,828,239
- Issue date Nov 28, 2023
- Polaris Industries Inc.
- Dallas J. Blake
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbocharger lubrication system for a two-stroke engine
- Patent number 11,788,432
- Issue date Oct 17, 2023
- Polaris Industries Inc.
- Derek D. Zimney
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbocharger system for a two-stroke engine having selectable boost...
- Patent number 11,781,494
- Issue date Oct 10, 2023
- Polaris Industries Inc.
- James H. Buchwitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for controlling operation of a two-stroke engine...
- Patent number 11,725,599
- Issue date Aug 15, 2023
- Polaris Industries Inc.
- James H. Buchwitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-passage exhaust system for an engine
- Patent number 11,725,573
- Issue date Aug 15, 2023
- Polaris Industries Inc.
- William J. Bryant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas bypass valve control for a turbocharger for a two-strok...
- Patent number 11,639,684
- Issue date May 2, 2023
- Polaris Industries Inc.
- James H. Buchwitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbocharger system for a two-stroke engine having selectable boost...
- Patent number 11,434,834
- Issue date Sep 6, 2022
- Polaris Industries Inc.
- Dallas J. Blake
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for controlling operation of a two-stroke engine...
- Patent number 11,384,697
- Issue date Jul 12, 2022
- Polaris Industries Inc.
- James H. Buchwitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust system for a vehicle
- Patent number 11,352,935
- Issue date Jun 7, 2022
- Polaris Industries Inc.
- James H. Buchwitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas bypass valve system for a turbocharged engine
- Patent number 11,280,258
- Issue date Mar 22, 2022
- Polaris Industries Inc.
- James H. Buchwitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for controlling pressure in a tuned pipe of a two...
- Patent number 11,236,668
- Issue date Feb 1, 2022
- Polaris Industries Inc.
- James H. Buchwitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for bypassing a turbocharger of a two stroke engine
- Patent number 11,131,235
- Issue date Sep 28, 2021
- Polaris Industries Inc.
- James H. Buchwitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cooling jacket for exhaust valve and thermostat and cooling bottle
- Patent number 11,041,429
- Issue date Jun 22, 2021
- Polaris Industries Inc.
- Darren J. Hedlund
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Battery key, starter and improved crank
- Patent number 10,731,620
- Issue date Aug 4, 2020
- Polaris Industries Inc.
- Dallas J. Blake
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Exhaust-tuning port and timing and combustion chamber shape
- Patent number 10,648,399
- Issue date May 12, 2020
- Polaris Industries Inc.
- James A Barczak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cooling jacket for exhaust valve and thermostat and cooling bottle
- Patent number 10,590,833
- Issue date Mar 17, 2020
- Polaris Industries Inc.
- Darren J. Hedlund
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Snowmobile
- Patent number 9,845,004
- Issue date Dec 19, 2017
- Polaris Industries Inc.
- Darren J. Hedlund
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Snowmobile
- Patent number 9,809,195
- Issue date Nov 7, 2017
- Polaris Industries Inc.
- Timothy J. Giese
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fuel injection system and method for two-cycle engines
- Patent number 7,089,892
- Issue date Aug 15, 2006
- Polaris Industries Inc.
- Lawrence J. Hosaluk
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Turbocharger Lubrication System For A Two-Stroke Engine
- Publication number 20230366331
- Publication date Nov 16, 2023
- Polaris Industries Inc.
- Darren J. Hedlund
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Turbocharger System For A Two-Stroke Engine Having Selectable Boost...
- Publication number 20220397068
- Publication date Dec 15, 2022
- Polaris Industries Inc.
- James H. Buchwitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
System And Method For Controlling Operation Of A Two-Stroke Engine...
- Publication number 20220316412
- Publication date Oct 6, 2022
- Polaris Industries Inc.
- James H. BUCHWITZ
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Turbocharger System For A Two-Stroke Engine
- Publication number 20220003154
- Publication date Jan 6, 2022
- Polaris Industries Inc.
- Sean Trihey
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Turbocharger Lubrication System For A Two-Stroke Engine
- Publication number 20210310374
- Publication date Oct 7, 2021
- Polaris Industries Inc.
- Derek D. Zimney
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Turbocharger System For A Two-Stroke Engine Having Selectable Boost...
- Publication number 20210310426
- Publication date Oct 7, 2021
- Polaris Industries Inc.
- Dallas J. Blake
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
System And Method For Controlling Operation Of A Two-Stroke Engine...
- Publication number 20210215093
- Publication date Jul 15, 2021
- Polaris Industries Inc.
- James H. Buchwitz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Two-Passage Exhaust System For An Engine
- Publication number 20210131343
- Publication date May 6, 2021
- Polaris Industries Inc.
- William J. Bryant
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method And System For Controlling A Turbocharged Two Stroke Engine...
- Publication number 20210131366
- Publication date May 6, 2021
- Polaris Industries Inc.
- Dallas J. BLAKE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Cooling Jacket For Exhaust Valve And Thermostat And Cooling Bottle
- Publication number 20200182130
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- Darren J. Hedlund
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Exhaust System For A Vehicle
- Publication number 20200182123
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
System And Method For Bypassing A Turbocharger Of A Two Stroke Engine
- Publication number 20200182140
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method And System For Controlling Pressure In A Tuned Pipe Of A Two...
- Publication number 20200182141
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Wastegate Sizing For Turbocharger For A Two-Stroke Engine
- Publication number 20200182142
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- Derek D. ZIMNEY
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust Gas Bypass Valve Control For A Turbocharger For A Two-Strok...
- Publication number 20200182167
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBOCHARGER SYSTEM FOR A TWO-STROKE ENGINE
- Publication number 20200182138
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Exhaust Gas Bypass Valve System For A Turbocharged Engine
- Publication number 20200182139
- Publication date Jun 11, 2020
- Polaris Industries Inc.
- James H. BUCHWITZ
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Battery Key, Starter And Improved Crank
- Publication number 20190136818
- Publication date May 9, 2019
- Polaris Industries Inc.
- Dallas J. BLAKE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST-TUNING PORT AND TIMING AND COMBUSTION CHAMBER SHAPE
- Publication number 20190101050
- Publication date Apr 4, 2019
- Polaris Industries Inc.
- James A Barczak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COOLING JACKET FOR EXHAUST VALVE AND THERMOSTAT AND COOLING BOTTLE
- Publication number 20190101223
- Publication date Apr 4, 2019
- Polaris Industries Inc.
- Darren J. Hedlund
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SNOWMOBILE
- Publication number 20150197149
- Publication date Jul 16, 2015
- Polaris Industries Inc.
- Darren J. Hedlund
- B60 - VEHICLES IN GENERAL
Information Patent Application
SNOWMOBILE
- Publication number 20140076648
- Publication date Mar 20, 2014
- Timothy J. Giese
- B60 - VEHICLES IN GENERAL

Darren J. Hedlund

Person

Patents Grantslast 30 patents

Turbocharger lubrication system for a two-stroke engine

Turbocharger system for a two-stroke engine

Method and system for controlling a turbocharged two stroke engine...

Turbocharger lubrication system for a two-stroke engine

Turbocharger system for a two-stroke engine having selectable boost...

System and method for controlling operation of a two-stroke engine...

Two-passage exhaust system for an engine

Exhaust gas bypass valve control for a turbocharger for a two-strok...

Turbocharger system for a two-stroke engine having selectable boost...

System and method for controlling operation of a two-stroke engine...

Exhaust system for a vehicle

Exhaust gas bypass valve system for a turbocharged engine

Method and system for controlling pressure in a tuned pipe of a two...

System and method for bypassing a turbocharger of a two stroke engine

Cooling jacket for exhaust valve and thermostat and cooling bottle

Battery key, starter and improved crank

Exhaust-tuning port and timing and combustion chamber shape

Cooling jacket for exhaust valve and thermostat and cooling bottle

Snowmobile

Snowmobile

Fuel injection system and method for two-cycle engines

Patents Applicationslast 30 patents

Turbocharger Lubrication System For A Two-Stroke Engine

Turbocharger System For A Two-Stroke Engine Having Selectable Boost...

System And Method For Controlling Operation Of A Two-Stroke Engine...

Turbocharger System For A Two-Stroke Engine

Turbocharger Lubrication System For A Two-Stroke Engine

Turbocharger System For A Two-Stroke Engine Having Selectable Boost...

System And Method For Controlling Operation Of A Two-Stroke Engine...

Two-Passage Exhaust System For An Engine

Method And System For Controlling A Turbocharged Two Stroke Engine...

Cooling Jacket For Exhaust Valve And Thermostat And Cooling Bottle

Exhaust System For A Vehicle

System And Method For Bypassing A Turbocharger Of A Two Stroke Engine

Method And System For Controlling Pressure In A Tuned Pipe Of A Two...

Wastegate Sizing For Turbocharger For A Two-Stroke Engine

Exhaust Gas Bypass Valve Control For A Turbocharger For A Two-Strok...

TURBOCHARGER SYSTEM FOR A TWO-STROKE ENGINE

Exhaust Gas Bypass Valve System For A Turbocharged Engine

Battery Key, Starter And Improved Crank

EXHAUST-TUNING PORT AND TIMING AND COMBUSTION CHAMBER SHAPE

COOLING JACKET FOR EXHAUST VALVE AND THERMOSTAT AND COOLING BOTTLE

SNOWMOBILE

SNOWMOBILE