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Huan-Jan Chien

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  • Hsinchu, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device of a volute channel of a pump
    • Patent number 6,779,974
    • Issue date Aug 24, 2004
    • PolyVane Technology Corp.
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrally formed stamped sheet-metal blades having 3D structure
    • Patent number 6,634,856
    • Issue date Oct 21, 2003
    • Industrial Technology Research Insitute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrated 3-D blade structure
    • Patent number 6,619,923
    • Issue date Sep 16, 2003
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for fabricating sheet metal pump casing
    • Patent number 6,537,024
    • Issue date Mar 25, 2003
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrally formed stamping sheet-metal blades having 3D structure
    • Patent number 6,506,023
    • Issue date Jan 14, 2003
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump shell for multistage metal working pump
    • Patent number 6,439,835
    • Issue date Aug 27, 2002
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Floatable impeller for multistage metal working pump
    • Patent number 6,398,493
    • Issue date Jun 4, 2002
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sheet metal casing for multistage pump and method for manufacturing...
    • Patent number 6,267,555
    • Issue date Jul 31, 2001
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Centrifugal pump impeller
    • Patent number 6,220,819
    • Issue date Apr 24, 2001
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump casing for sheet metal pump
    • Patent number 6,200,090
    • Issue date Mar 13, 2001
    • Industrial Technology Research Institute
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ultra-thin low noise axial flow fan for office automation machines
    • Patent number 5,320,493
    • Issue date Jun 14, 1994
    • Industrial Technology Research Institute
    • Ming-Chuang Shih
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Structural improvement for canned motor-pump
    • Publication number 20050042119
    • Publication date Feb 24, 2005
    • PolyVane Technology Corp.
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Device of a volute channel of a pump
    • Publication number 20040115049
    • Publication date Jun 17, 2004
    • PolyVane Technology Corp.
    • Huan-Jan Chien
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Integrally formed stamping sheet-metal blades having 3D structure
    • Publication number 20020119049
    • Publication date Aug 29, 2002
    • INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Integrated 3-D blade structure
    • Publication number 20020064460
    • Publication date May 30, 2002
    • INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sheet metal pump casing and its fabrication method
    • Publication number 20010005484
    • Publication date Jun 28, 2001
    • Huan-Jan Chien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...