TREA

David W. Christiansen

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  • Kennewick, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nuclear fuel assembly for a pressurized water reactor
    • Patent number 5,533,078
    • Issue date Jul 2, 1996
    • Siemens Power Corporation
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    BWR nuclear fuel assembly
    • Patent number 5,490,191
    • Issue date Feb 6, 1996
    • Siemens Power Corporation
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Fuel pin
    • Patent number H689
    • Issue date Oct 3, 1989
    • The United States of America as reprsented by the United States Department of...
    • David W. Christiansen
    • 376 - Induced nuclear reactions: processes, systems, and elements
  • Information Patent Grant

    Nuclear reactor spacer grid and ductless core component
    • Patent number 4,818,479
    • Issue date Apr 4, 1989
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Nuclear breeder reactor fuel element with silicon carbide getter
    • Patent number 4,710,343
    • Issue date Dec 1, 1987
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Inlet nozzle assembly
    • Patent number 4,654,194
    • Issue date Mar 31, 1987
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Detachable connection for a nuclear reactor fuel assembly
    • Patent number 4,568,111
    • Issue date Feb 4, 1986
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Automated fuel pin loading system
    • Patent number 4,548,347
    • Issue date Oct 22, 1985
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Automated closure system for nuclear reactor fuel assemblies
    • Patent number 4,542,267
    • Issue date Sep 17, 1985
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Funnel for fuel pin loading system
    • Patent number 4,537,741
    • Issue date Aug 27, 1985
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Valve for fuel pin loading system
    • Patent number 4,498,834
    • Issue date Feb 12, 1985
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Nuclear radiation actuated valve
    • Patent number 4,493,812
    • Issue date Jan 15, 1985
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas tungsten arc welder with electrode grinder
    • Patent number 4,480,171
    • Issue date Oct 30, 1984
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Nuclear reactor fuel assembly duct-tube-to-handling-socket attachme...
    • Patent number 4,366,116
    • Issue date Dec 28, 1982
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Nuclear reactor fuel assembly duct-tube-to-inlet-nozzle attachment...
    • Patent number 4,348,353
    • Issue date Sep 7, 1982
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Nuclear reactor fuel rod attachment system
    • Patent number 4,344,915
    • Issue date Aug 17, 1982
    • The United States of America as represented by the United States Department o...
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Spacer assembly retainer arrangement
    • Patent number 4,294,660
    • Issue date Oct 13, 1981
    • The Babcock & Wilcox Company
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Nuclear fuel spacer grid
    • Patent number 4,239,597
    • Issue date Dec 16, 1980
    • The Babcock & Wilcox Company
    • David W. Christiansen
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Locking nut assembly with deformable locking sleeve
    • Patent number 4,094,558
    • Issue date Jun 13, 1978
    • The Babcock & Wilcox Company
    • David Wayne Christiansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...