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Brent A. Klopfenstein

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  • Rockford, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three position dual failure shut-off valve system
    • Patent number 4,884,401
    • Issue date Dec 5, 1989
    • Sundstrand Corp.
    • Jeffrey D. Metcalf
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Shock absorbing overtravel stop
    • Patent number 4,867,295
    • Issue date Sep 19, 1989
    • Sundstrand Corporation
    • Jeffrey D. Metcalf
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    No-back mechanism
    • Patent number 4,834,225
    • Issue date May 30, 1989
    • Sundstrand Corporation
    • Brent A. Klopfenstein
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Non-jamming screw actuator system
    • Patent number 4,745,815
    • Issue date May 24, 1988
    • Sundstrand Corporation
    • Brent A. Klopfenstein
    • B64 - AIRCRAFT AVIATION COSMONAUTICS