-
Cryogenic rectification method
-
Patent number 8,448,463
-
Issue date May 28, 2013
-
Praxair Technology, Inc.
-
Neil Mark Prosser
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
Nitrogen generation process
-
Patent number 6,637,240
-
Issue date Oct 28, 2003
-
Air Products and Chemicals, Inc.
-
John Louis Griffiths
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
Nitrogen generation process
-
Patent number 6,487,877
-
Issue date Dec 3, 2002
-
Air Products and Chemicals, Inc.
-
John Louis Griffiths
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
-
3210948
-
Patent number 3,210,948
-
Issue date Oct 12, 1965
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
3131045
-
Patent number 3,131,045
-
Issue date Apr 28, 1964
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...