TREA

Duncan Whittemore Macarthur

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  • Los Alamos, NM, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monitoring
    • Patent number 6,822,238
    • Issue date Nov 23, 2004
    • British Nuclear Fuels PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ion monitoring
    • Patent number 6,649,916
    • Issue date Nov 18, 2003
    • British Nuclear Fuels PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Selective flow path alpha particle detector and method of use
    • Patent number 6,455,859
    • Issue date Sep 24, 2002
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Relating to monitoring ion sources
    • Patent number 6,365,901
    • Issue date Apr 2, 2002
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Detectors
    • Patent number 6,359,280
    • Issue date Mar 19, 2002
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Monitoring materials
    • Patent number 6,353,230
    • Issue date Mar 5, 2002
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Collection of ions
    • Patent number 6,331,706
    • Issue date Dec 18, 2001
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrostatic monitoring
    • Patent number 6,331,707
    • Issue date Dec 18, 2001
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Relating to ion detection
    • Patent number 6,326,626
    • Issue date Dec 4, 2001
    • British Nuclear Fuels plc
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Beta particle monitor for surfaces
    • Patent number 5,679,958
    • Issue date Oct 21, 1997
    • The Regents of the University of California
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Apparatus for detecting alpha radiation in difficult access areas
    • Patent number 5,663,567
    • Issue date Sep 2, 1997
    • The Regents of the University of California
    • Peter Steadman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Event counting alpha detector
    • Patent number 5,550,381
    • Issue date Aug 27, 1996
    • The Regents of the University California
    • Richard D. Bolton
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Background canceling surface alpha detector
    • Patent number 5,525,804
    • Issue date Jun 11, 1996
    • The Regents of the University of California
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fan-less long range alpha detector
    • Patent number 5,311,025
    • Issue date May 10, 1994
    • The Regents of the University of California
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Radon detection
    • Patent number 5,281,824
    • Issue date Jan 25, 1994
    • The United States Department of Energy
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Single and double grid long-range alpha detectors
    • Patent number 5,194,737
    • Issue date Mar 16, 1993
    • University of California Patent, Trademark & Copyright Office
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Alternating current long range alpha particle detector
    • Patent number 5,187,370
    • Issue date Feb 16, 1993
    • University of California
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Long range alpha particle detector
    • Patent number 5,184,019
    • Issue date Feb 2, 1993
    • The United States of America as represented by the United States Department o...
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Information barrier for protection of personal information
    • Publication number 20040175018
    • Publication date Sep 9, 2004
    • Duncan W. MacArthur
    • G01 - MEASURING TESTING
  • Information Patent Application

    Monitoring
    • Publication number 20020190217
    • Publication date Dec 19, 2002
    • British Nuclear Fuels PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Application

    Ion monitoring
    • Publication number 20020166974
    • Publication date Nov 14, 2002
    • British Nuclear Fuels, PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Application

    Ion monitoring
    • Publication number 20020008206
    • Publication date Jan 24, 2002
    • British Nuclear Fuels, PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING
  • Information Patent Application

    Monitoring
    • Publication number 20010042835
    • Publication date Nov 22, 2001
    • British Nuclear Fuels PLC
    • Christopher Henry Orr
    • G01 - MEASURING TESTING