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David J. Tilles

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  • Woodstock, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Point source biological agent detection system
    • Patent number 7,405,073
    • Issue date Jul 29, 2008
    • Northrop Grumman Corporation
    • David J. Tilles
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Item delivery and retrieval system
    • Patent number 7,133,743
    • Issue date Nov 7, 2006
    • Northrop Grumman Corporation
    • David J. Tilles
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Item delivery and retrieval system
    • Patent number 6,748,295
    • Issue date Jun 8, 2004
    • Northrop Grumman Corporation
    • David J. Tilles
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Flats bundle collator
    • Patent number 6,732,012
    • Issue date May 4, 2004
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Staging tower above a conveyor
    • Patent number 6,659,263
    • Issue date Dec 9, 2003
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flats bundle collator
    • Patent number 6,601,847
    • Issue date Aug 5, 2003
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flats bundle collator
    • Patent number 6,443,311
    • Issue date Sep 3, 2002
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Flats bundle collator
    • Patent number 6,328,302
    • Issue date Dec 11, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Flats bundle collator
    • Patent number 6,241,099
    • Issue date Jun 5, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Robotic containerization system
    • Patent number 6,201,203
    • Issue date Mar 13, 2001
    • Northrop Grumman Corporation
    • David J. Tilles
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Modular mail processing method and control system
    • Patent number 5,518,122
    • Issue date May 21, 1996
    • Westinghouse Electric Corp.
    • David J. Tilles
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Enhanced biohazard detection system
    • Publication number 20070292844
    • Publication date Dec 20, 2007
    • Northrop Grumman Corporation
    • David J. Tilles
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Item delivery and retrieval system
    • Publication number 20040193314
    • Publication date Sep 30, 2004
    • Northrop Grumman Corporation
    • David J. Tilles
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    Point source biological agent detection system
    • Publication number 20040063198
    • Publication date Apr 1, 2004
    • David J. Tilles
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Automatic point source biological agent detection system
    • Publication number 20040063197
    • Publication date Apr 1, 2004
    • David J. Tilles
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Flats bundle collator
    • Publication number 20020074268
    • Publication date Jun 20, 2002
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Item delivery and retrieval system
    • Publication number 20020032501
    • Publication date Mar 14, 2002
    • David J. Tilles
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    Flats bundle collator
    • Publication number 20010014270
    • Publication date Aug 16, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Flats bundle collator
    • Publication number 20010011796
    • Publication date Aug 9, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Flats bundle collator
    • Publication number 20010009233
    • Publication date Jul 26, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    Flats bundle collator
    • Publication number 20010009234
    • Publication date Jul 26, 2001
    • Northrop Grumman Corporation
    • David Brian Hendrickson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING