TREA

Roger L. Selsam

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  • Fairport, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seismic source
    • Patent number 4,753,316
    • Issue date Jun 28, 1988
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Seismic wave generation by a downhole source
    • Patent number 4,722,417
    • Issue date Feb 2, 1988
    • Hydroacustics, Inc.
    • Roger L. Selsam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Seismic source
    • Patent number 4,569,412
    • Issue date Feb 11, 1986
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number RE30109
    • Issue date Oct 9, 1979
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • 091 - Motors: expansible chamber type
  • Information Patent Grant

    Hydraulically operated impact devices
    • Patent number 4,155,287
    • Issue date May 22, 1979
    • Hydroacoustics Inc.
    • Roger L. Selsam
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Impact tool
    • Patent number 4,143,585
    • Issue date Mar 13, 1979
    • Hydroacoustics, Inc.
    • Roger L. Selsam
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic welder
    • Patent number 4,086,122
    • Issue date Apr 25, 1978
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number 4,005,637
    • Issue date Feb 1, 1977
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number 3,991,655
    • Issue date Nov 16, 1976
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS