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Roland L. Roehrich
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen and...
Patent number
5,458,188
Issue date
Oct 17, 1995
Westinghouse Electric Corporation
Roland L. Roehrich
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen
Patent number
5,365,744
Issue date
Nov 22, 1994
Thermo King Corporation
Herman H. Viegas
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen and...
Patent number
5,320,167
Issue date
Jun 14, 1994
Thermo King Corporation
Dale T. Johnson
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration methods and apparatus utilizing...
Patent number
5,315,840
Issue date
May 31, 1994
Thermo King Corporation
Herman H. Viegas
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration apparatus utilizing a cryogen
Patent number
5,311,927
Issue date
May 17, 1994
Thermo King Corporation
David H. Taylor
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration apparatus utilizing a cryogen
Patent number
5,305,825
Issue date
Apr 26, 1994
Thermo King Corporation
Roland L. Roehrich
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen
Patent number
5,287,705
Issue date
Feb 22, 1994
Thermo King Corporation
Roland L. Roehrich
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration apparatus utilizing a cryogen
Patent number
5,285,644
Issue date
Feb 15, 1994
Thermo King Corporation
Roland L. Roehrich
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air conditioning and refrigeration methods and apparatus utilizing...
Patent number
5,267,443
Issue date
Dec 7, 1993
Thermo King Corporation
Roland L. Roehrich
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen
Patent number
5,267,446
Issue date
Dec 7, 1993
Thermo King Corp.
Herman H. Viegas
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air conditioning and refrigeration systems utilizing a cryogen
Patent number
5,259,198
Issue date
Nov 9, 1993
Thermo King Corporation
Herman H. Viegas
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transport refrigeration unit and method of operating same
Patent number
5,186,015
Issue date
Feb 16, 1993
Thermo King Corporation
Roland L. Roehrich
B60 - VEHICLES IN GENERAL