David A. Christiansen

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of operating a transport refrigeration system
- Patent number 5,172,560
- Issue date Dec 22, 1992
- Thermo King Corporation
- Romuald M. Jurewicz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of determining refrigerant charge
- Patent number 5,152,152
- Issue date Oct 6, 1992
- Thermo King Corporation
- Laurence R. Brickner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of controlling the capacity of a transport refrigeration system
- Patent number 4,918,932
- Issue date Apr 24, 1990
- Thermo King Corporation
- Alan D. Gustafson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Power line carrier communication system for monitoring refrigerated...
- Patent number 4,885,564
- Issue date Dec 5, 1989
- Thermo King Corporation
- Leonard C. Vercellotti
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Microprocessor based control system and method providing better per...
- Patent number 4,663,725
- Issue date May 5, 1987
- Thermo King Corporation
- Gregory R. Truckenbrod
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Container refrigeration unit
- Patent number 4,257,240
- Issue date Mar 24, 1981
- Thermo King Corporation
- David A. Christiansen
- B60 - VEHICLES IN GENERAL