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David Littlejohn

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  • Haslet, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FAIRING BOND FIXTURE
    • Publication number 20210221537
    • Publication date Jul 22, 2021
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    DE-ICE FAIRING BOND FIXTURE
    • Publication number 20210094682
    • Publication date Apr 1, 2021
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MOBILE PRESSURE TOOL FOR ROTOR BLADE PROCESSES
    • Publication number 20210046591
    • Publication date Feb 18, 2021
    • SIKORSKY AIRCRAFT CORPORATION
    • Ryan Lehto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MAIN ROTOR BLADE CUFF BOND FIXTURE
    • Publication number 20200277085
    • Publication date Sep 3, 2020
    • SIKORSKY AIRCRAFT CORPORATION
    • Scott Oren Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BOND FIXTURE COMPOSITE SPLICE FAIRING ASSEMBLY
    • Publication number 20200001347
    • Publication date Jan 2, 2020
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MACHINE HOLDING FIXTURE FOR MACHINING COMPOSITE LAMINATES ON A ROTO...
    • Publication number 20190367187
    • Publication date Dec 5, 2019
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    BOND FIXTURE FOR LEADING EDGE ASSEMBLY
    • Publication number 20190367188
    • Publication date Dec 5, 2019
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    BOND FIXTURE FOR COMPOSITE SPLICE CAP ASSEMBLY
    • Publication number 20190241261
    • Publication date Aug 8, 2019
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BOND FIXTURE FOR SHEATH ASSEMBLY OF ROTOR BLADE
    • Publication number 20190225329
    • Publication date Jul 25, 2019
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHODS FOR SEPARATING ROTOR BLADE CUFFS FROM ROTOR BLADE BODIES
    • Publication number 20190135421
    • Publication date May 9, 2019
    • SIKORSKY AIRCRAFT CORPORATION
    • Ryan Lehto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WEIGHTS FOR WATER IMMERSION TESTING
    • Publication number 20180155062
    • Publication date Jun 7, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • David W. Littlejohn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FAIRING BOND FIXTURE
    • Publication number 20180093784
    • Publication date Apr 5, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    DE-ICE FAIRING BOND FIXTURE
    • Publication number 20180093761
    • Publication date Apr 5, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MACHINE HOLDING FIXTURE FOR MACHINING COMPOSITE LAMINATES ON A ROTO...
    • Publication number 20180093782
    • Publication date Apr 5, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROOT END SPAR PLATE CLOSURE TOOL FOR BLADES
    • Publication number 20180086485
    • Publication date Mar 29, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Scott Oren Smith
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    BOND FIXTURE FOR SHEATH ASSEMBLY OF ROTOR BLADE
    • Publication number 20180044039
    • Publication date Feb 15, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BOND FIXTURE FOR LEADING EDGE ASSEMBLY
    • Publication number 20180044037
    • Publication date Feb 15, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BOND FIXTURE COMPOSITE SPLICE FAIRING ASSEMBLY
    • Publication number 20180043418
    • Publication date Feb 15, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    BOND FIXTURE FOR COMPOSITE SPLICE CAP ASSEMBLY
    • Publication number 20180044036
    • Publication date Feb 15, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Sven Roy Lofstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MAIN ROTOR BLADE CUFF BOND FIXTURE
    • Publication number 20180044038
    • Publication date Feb 15, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Scott Oren Smith
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    SPINNER SHAFT ATTACHMENT
    • Publication number 20180029692
    • Publication date Feb 1, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Robert Higbie
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    MOBILE PRESSURE TOOL FOR ROTOR BLADE PROCESSES
    • Publication number 20180009068
    • Publication date Jan 11, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • Ryan Lehto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    APPARATUS AND METHODS FOR MAKING ROTORCRAFT ROTOR BLADES
    • Publication number 20180002038
    • Publication date Jan 4, 2018
    • SIKORSKY AIRCRAFT CORPORATION
    • David Littlejohn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SYSTEMS AND METHODS FOR SEPARATING ROTOR BLADE CUFFS FROM ROTOR BLA...
    • Publication number 20170291724
    • Publication date Oct 12, 2017
    • SIKORSKY AIRCRAFT CORPORATION
    • Ryan Lehto
    • B64 - AIRCRAFT AVIATION COSMONAUTICS