TREA

Weijian Ma

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  • Liverpool, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact electromechanical linear actuator
    • Patent number 6,794,779
    • Issue date Sep 21, 2004
    • Young & Franklin Inc.
    • Weijian Ma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus for safely installing and removing spring failsafe actuator
    • Patent number 6,182,678
    • Issue date Feb 6, 2001
    • Young & Franklin, Inc.
    • Weijian Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring locking mechanism
    • Patent number 6,129,333
    • Issue date Oct 10, 2000
    • Young & Franklin
    • Weijian Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linkage locking device
    • Patent number 6,086,038
    • Issue date Jul 11, 2000
    • Young & Franklin, Inc.
    • Weijian Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Compact electromechanical linear actuator
    • Publication number 20030111924
    • Publication date Jun 19, 2003
    • Young & Franklin Inc.
    • Weijian Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...