TREA

Ernst C. Schellhase

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  • Fort Worth, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual spring rate damper
    • Patent number 8,857,581
    • Issue date Oct 14, 2014
    • Textron Innovations Inc.
    • Frank B. Stamps
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Dual spring rate damper
    • Patent number 8,181,755
    • Issue date May 22, 2012
    • Textron Innovations Inc.
    • Frank B. Stamps
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Soft in-plane tiltrotor hub
    • Patent number 7,828,525
    • Issue date Nov 9, 2010
    • Bell Helicopter Textron Inc.
    • Frank B. Stamps
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Main rotor shear restraint
    • Patent number 6,921,249
    • Issue date Jul 26, 2005
    • The United States of America as represented by the Secretary of the Navy
    • David Allen Haynie
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Prop rotor hub
    • Patent number 6,296,444
    • Issue date Oct 2, 2001
    • Bell Helicopter Textron Inc.
    • Ernst C. Schellhase
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Redundant ice management system for aircraft
    • Patent number 6,227,492
    • Issue date May 8, 2001
    • Bell Helicopter Textron Inc.
    • Ernst Calvin Schellhase
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Self-locking and self-retained structural fastener
    • Patent number 6,220,803
    • Issue date Apr 24, 2001
    • Bell Helicopter Textron Inc.
    • Ernst Calvin Schellhase
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Constant velocity elastomeric joint
    • Patent number 5,215,502
    • Issue date Jun 1, 1993
    • Bell Helicopter Textron Inc.
    • William D. Neathery
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotor blade
    • Patent number 5,074,753
    • Issue date Dec 24, 1991
    • Bell Helicopter Textron Inc.
    • Cecil E. Covington
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Apparatus and method for folding and locking rotor blades
    • Patent number 5,031,858
    • Issue date Jul 16, 1991
    • Bell Helicopter Textron, Inc.
    • Ernst C. Schellhase
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Constant velocity elastomeric bearing joint
    • Patent number 4,734,081
    • Issue date Mar 29, 1988
    • Bell Helicopter Textron Inc.
    • William D. Neathery
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Constant velocity elastomeric bearing joint
    • Patent number 4,729,753
    • Issue date Mar 8, 1988
    • Bell Helicopter Textron Inc.
    • William D. Neathery
    • B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Dual Spring Rate Damper
    • Publication number 20120230823
    • Publication date Sep 13, 2012
    • BELL HELICOPTER TEXTRON INC.
    • Frank B. Stamps
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    Soft In-Plane Tiltrotor Hub
    • Publication number 20080247876
    • Publication date Oct 9, 2008
    • Frank B. Stamps
    • B64 - AIRCRAFT AVIATION COSMONAUTICS