TREA

William J. Plzak

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  • Crescent, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coaxial economizer assembly and method
    • Patent number 9,683,758
    • Issue date Jun 20, 2017
    • TRANE INTERNATIONAL INC.
    • Rick T. James
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Coaxial economizer assembly and method
    • Patent number 8,844,318
    • Issue date Sep 30, 2014
    • Trane International Inc.
    • Rick T. James
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Centrifugal compressor assembly and method
    • Patent number 8,037,713
    • Issue date Oct 18, 2011
    • Trane International, Inc.
    • Paul F. Haley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Coaxial economizer assembly and method
    • Patent number 7,975,506
    • Issue date Jul 12, 2011
    • Trane International, Inc.
    • Rick T. James
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Float valve
    • Patent number 5,850,848
    • Issue date Dec 22, 1998
    • Gas Research Institute
    • Daoud A. Jandal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus and method for automatically purging an absorption coolin...
    • Patent number 5,636,526
    • Issue date Jun 10, 1997
    • Gas Research Institute
    • William J. Plzak
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Fluid heater
    • Patent number 5,385,120
    • Issue date Jan 31, 1995
    • Gas Research Institute
    • Edward F. Keuper
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Triple effect absorption heat exchanger combining second cycle gene...
    • Patent number 5,284,029
    • Issue date Feb 8, 1994
    • Gas Research Institute
    • Edward F. Keuper
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system thermal purge apparatus
    • Patent number 5,031,410
    • Issue date Jul 16, 1991
    • American Standard Inc.
    • William J. Plzak
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Internal heat exchanger for an absorption apparatus
    • Patent number 5,016,448
    • Issue date May 21, 1991
    • American Standard Inc.
    • William J. Plzak
    • 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...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD
    • Publication number 20120087815
    • Publication date Apr 12, 2012
    • Paul H. Haley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COAXIAL ECONOMIZER ASSEMBLY AND METHOD
    • Publication number 20110296859
    • Publication date Dec 8, 2011
    • Rick T. James
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD
    • Publication number 20090205360
    • Publication date Aug 20, 2009
    • Paul H. Haley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COAXIAL ECONOMIZER ASSEMBLY AND METHOD
    • Publication number 20090205361
    • Publication date Aug 20, 2009
    • Rick T. James
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...