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Frederic B. Hamm Jr.
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Onalaska, WI, US
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Patents Grants
last 30 patents
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Patent Grant
Centrifugal compressor assembly and method
Patent number
9,556,875
Issue date
Jan 31, 2017
TRANE INTERNATIONAL INC.
Paul F. Haley
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Centrifugal compressor assembly and method
Patent number
8,627,680
Issue date
Jan 14, 2014
Trane International, Inc.
Paul H. Haley
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Oil management apparatus for a refrigeration chiller
Patent number
5,675,978
Issue date
Oct 14, 1997
American Standard Inc.
Frederic B. Hamm
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
COAXIAL ECONOMIZER ASSEMBLY AND METHOD
Publication number
20150013360
Publication date
Jan 15, 2015
The Trane Company
Paul F. Haley
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD
Publication number
20140127059
Publication date
May 8, 2014
Trane International, Inc.
Paul F. Haley
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...