Steve Helgeson

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Lakeville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Mobile refrigeration system and control
- Patent number 7,266,961
- Issue date Sep 11, 2007
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Mobile refrigeration system and control
- Patent number 7,260,946
- Issue date Aug 28, 2007
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Mobile refrigeration system and control
- Patent number 7,080,521
- Issue date Jul 25, 2006
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Transport temperature control unit and methods of defrosting an eva...
- Patent number 7,032,395
- Issue date Apr 25, 2006
- Thermo King Corporation
- Jay L. Hanson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic throttling valve diagnosis and preventative shutdown con...
- Patent number 6,367,269
- Issue date Apr 9, 2002
- Thermo King Corporation
- Jay Lowell Hanson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for continuously running a multi-temp refrigeration circuit...
- Patent number 5,778,690
- Issue date Jul 14, 1998
- Thermo King Corporation
- Jay Lowell Hanson
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Mobile refrigeration system and control
- Publication number 20060196210
- Publication date Sep 7, 2006
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Mobile refrigeration system and control
- Publication number 20060196211
- Publication date Sep 7, 2006
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Mobile refrigeration system and control
- Publication number 20060042296
- Publication date Mar 2, 2006
- Thermo King Corporation
- Bradley M. Ludwig
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Transport temperature control unit and methods of defrosting an eva...
- Publication number 20030202557
- Publication date Oct 30, 2003
- Thermo King Corporation
- Jay L. Hanson
- B60 - VEHICLES IN GENERAL