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Thomas O. Major
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Denver, CO, US
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last 30 patents
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Patent Grant
Refrigerant recovery and purification method and apparatus
Patent number
5,471,848
Issue date
Dec 5, 1995
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerant recovery and purification method and apparatus with oil...
Patent number
5,433,081
Issue date
Jul 18, 1995
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Portable nitrogen source
Patent number
5,388,413
Issue date
Feb 14, 1995
Thomas O. Major
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Refrigerant recovery and purification apparatus with telecommunicat...
Patent number
5,289,693
Issue date
Mar 1, 1994
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus for purification and recovery of refrigerant
Patent number
5,243,831
Issue date
Sep 14, 1993
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Storage container for recovered refrigerant
Patent number
5,218,834
Issue date
Jun 15, 1993
Thomas O. Major
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Apparatus for purification and recovery of refrigrant
Patent number
5,099,653
Issue date
Mar 31, 1992
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus and method for purification and recovery of refrigerant
Patent number
5,078,756
Issue date
Jan 7, 1992
Thomas O. Major
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...