TREA

George P. Schivley Jr.

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  • Richardson, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic control of drilling system
    • Patent number 5,449,047
    • Issue date Sep 12, 1995
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid-assisted dust seal
    • Patent number 5,324,051
    • Issue date Jun 28, 1994
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self positioning dust seal holder
    • Patent number 5,269,386
    • Issue date Dec 14, 1993
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Side angle drilling apparatus
    • Patent number 5,201,816
    • Issue date Apr 13, 1993
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Closed loop hydraulic drill feed system
    • Patent number 4,953,639
    • Issue date Sep 4, 1990
    • Ingersoll-Rand Company
    • Jeffrey W. Hamner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill pipe transfer arm for angle drilling
    • Patent number 4,892,160
    • Issue date Jan 9, 1990
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill pipe handling device
    • Patent number 4,834,441
    • Issue date May 30, 1989
    • Ingersoll-Rand Company
    • George P. Schivley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automatic control system for rock drills
    • Patent number 4,275,793
    • Issue date Jun 30, 1981
    • Ingersoll-Rand Company
    • George P. Schivley
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR