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David A. Curtis

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  • Torrington, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device and method for mounting electric motor stators
    • Patent number 7,859,153
    • Issue date Dec 28, 2010
    • The Bergquist Torrington Company
    • Robert A. Hoyt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blower muffler and vibration isolation
    • Patent number 7,112,038
    • Issue date Sep 26, 2006
    • David A. Curtis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air purifier
    • Patent number 6,610,118
    • Issue date Aug 26, 2003
    • The Holmes Group, Inc.
    • Don Bryce
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Axial flow fan
    • Patent number 6,491,499
    • Issue date Dec 10, 2002
    • Torrington Research Company
    • Russel H. Marvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Device and Method for Mounting Electric Motor Stators
    • Publication number 20090134725
    • Publication date May 28, 2009
    • Robert A. Hoyt
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Electronically Commutated Motor Control Retention Apparatus
    • Publication number 20090108685
    • Publication date Apr 30, 2009
    • David A. Curtis
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Blower muffler and vibration isolation
    • Publication number 20050106039
    • Publication date May 19, 2005
    • Torrington Research Co.
    • David A. Curtis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Low part count blower-motor assembly in common housing
    • Publication number 20050074346
    • Publication date Apr 7, 2005
    • Torrington Research Company
    • Robert A. Hoyt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Muffler for impeller with rearwardly curved blades
    • Publication number 20050074326
    • Publication date Apr 7, 2005
    • Torrington Research Company
    • David A. Curtis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air purifier
    • Publication number 20030010001
    • Publication date Jan 16, 2003
    • Don Bryce
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL