TREA

David D. Sembritzky

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  • Grapevine, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disconnecting a rotor
    • Patent number 10,377,473
    • Issue date Aug 13, 2019
    • Bell Helicopter Textron Inc.
    • Ryan T. Ehinger
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Axial swage alignment tool
    • Patent number 7,805,823
    • Issue date Oct 5, 2010
    • Bell Helicopter Textron Inc.
    • David D. Sembritzky
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    DISCONNECTING A ROTOR
    • Publication number 20200140069
    • Publication date May 7, 2020
    • Bell Textron Inc.
    • Ryan T. Ehinger
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    Disconnecting a Rotor
    • Publication number 20140191079
    • Publication date Jul 10, 2014
    • BELL HELICOPTER TEXTRON INC.
    • Ryan T. Ehinger
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    Axial swage alignment tool
    • Publication number 20070163101
    • Publication date Jul 19, 2007
    • David D. Sembritzky
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS