TREA

David B. Erickson

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  • Farmington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lightweight acoustic array
    • Patent number 7,889,601
    • Issue date Feb 15, 2011
    • Lockheed Martin Corporation
    • John H. Goodmote
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Longitudinally driven slotted cylinder transducer
    • Patent number 7,679,266
    • Issue date Mar 16, 2010
    • Lockheed Martin Corporation
    • Raymond Porzio
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Small unmanned air vehicle system for deploying and towing a sensor...
    • Patent number 7,673,831
    • Issue date Mar 9, 2010
    • Lockheed Martin Corporation
    • Daniel W. Steele
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Longitudinally driven slotted cylinder transducer
    • Patent number 7,466,066
    • Issue date Dec 16, 2008
    • Lockheed Martin Corporation
    • Raymond Porzio
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Acoustic pressure sensor
    • Patent number 7,398,690
    • Issue date Jul 15, 2008
    • Lockheed Martin Corporation
    • David J. Erickson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Anti-tamper apparatus
    • Patent number 7,256,692
    • Issue date Aug 14, 2007
    • Lockheed Martin Corporation
    • Richard D. Vatsaas
    • G08 - SIGNALLING
  • Information Patent Grant

    Power generator employing piezoelectric materials
    • Patent number 7,005,779
    • Issue date Feb 28, 2006
    • Lockheed Martin Corporation
    • David J. Erickson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dual frequency sonar transducer assembly
    • Patent number 5,515,342
    • Issue date May 7, 1996
    • Martin Marietta Corporation
    • Cleo M. Stearns
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Moment bender transducer drive
    • Patent number 5,237,543
    • Issue date Aug 17, 1993
    • General Electric Company
    • David J. Erickson
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Moment bender transducer
    • Patent number 5,204,844
    • Issue date Apr 20, 1993
    • General Electric Company
    • David J. Erickson
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents