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Ling-Zhong Zeng

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  • Lake in the Hills, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan blade
    • Patent number 6,814,545
    • Issue date Nov 9, 2004
    • Revcor, Inc.
    • Richard G. Hext
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan blade
    • Patent number 6,712,584
    • Issue date Mar 30, 2004
    • Revcor, Inc.
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan blade
    • Patent number 6,447,251
    • Issue date Sep 10, 2002
    • Revcor, Inc.
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shroud for a fan assembly
    • Patent number D453960
    • Issue date Feb 26, 2002
    • Molded Products Company
    • Richard R. Shelby
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    Centrifugal fan
    • Publication number 20050191174
    • Publication date Sep 1, 2005
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan assembly and method
    • Publication number 20050186070
    • Publication date Aug 25, 2005
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan blade
    • Publication number 20050123404
    • Publication date Jun 9, 2005
    • Revcor, Inc.
    • Richard G. Hext
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan blade
    • Publication number 20040258531
    • Publication date Dec 23, 2004
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan housing
    • Publication number 20040240994
    • Publication date Dec 2, 2004
    • Eric S. Cole
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan blade
    • Publication number 20030223875
    • Publication date Dec 4, 2003
    • Richard G. Hext
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan blade
    • Publication number 20020197162
    • Publication date Dec 26, 2002
    • Revcor, Inc.
    • Ling-Zhong Zeng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...