TREA

Frederic B. Hamm Jr.

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  • Onalaska, WI, US
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Patents Grantslast 30 patents

  • Information 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 Applicationslast 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...