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Richard A. Armell

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  • Montrose, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole mixing tool
    • Patent number RE46286
    • Issue date Jan 24, 2017
    • SERVWELL ENGINEERING LIMITED
    • Richard Alvin Armell
  • Information Patent Grant

    Downhole mixing tool
    • Patent number 8,684,086
    • Issue date Apr 1, 2014
    • SERVWELL ENGINEERING LIMITED
    • Richard Alvin Armell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Well bore reamer and method
    • Patent number 6,561,286
    • Issue date May 13, 2003
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 5,890,540
    • Issue date Apr 6, 1999
    • Renovus Limited
    • Giancarlo Tomasso Pietro Pia
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2-Stage underreamer
    • Patent number 5,853,054
    • Issue date Dec 29, 1998
    • Smith International, Inc.
    • Bruce McGarian
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tool for cleaning or conditioning tubular structures such as well c...
    • Patent number 5,819,353
    • Issue date Oct 13, 1998
    • Oiltools International B.V.
    • Richard Alvin Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shut-in tool
    • Patent number 4,964,460
    • Issue date Oct 23, 1990
    • Eljay Well Services Limited
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole pressure and/or temperature gauges
    • Patent number 4,805,448
    • Issue date Feb 21, 1989
    • Drexel Equipment (UK) Limited
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centralizing devices for use in bore-holes
    • Patent number 4,790,381
    • Issue date Dec 13, 1988
    • Drexel Equipment (UK) Limited
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centralizing devices for use down-well
    • Patent number 4,619,322
    • Issue date Oct 28, 1986
    • Drexel Equipment (UK) Limited
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Seal for incorporation in high pressure leak testing tool
    • Patent number 4,438,938
    • Issue date Mar 27, 1984
    • Boc-Nowsco Limited
    • Richard A. Armell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piping leakage detection method and apparatus
    • Patent number 4,429,566
    • Issue date Feb 7, 1984
    • Boc-Nowsco Limited
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Downhole Mixing Tool
    • Publication number 20110308804
    • Publication date Dec 22, 2011
    • Richard Alvin Armell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Downhole tool
    • Publication number 20040244967
    • Publication date Dec 9, 2004
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Impact tool
    • Publication number 20020185312
    • Publication date Dec 12, 2002
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Down-hole tool hydraulic force intensifier
    • Publication number 20020070015
    • Publication date Jun 13, 2002
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Reaming tool with radially extending blades
    • Publication number 20020070052
    • Publication date Jun 13, 2002
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Well bore reamer and method
    • Publication number 20020070051
    • Publication date Jun 13, 2002
    • Richard A. Armell
    • E21 - EARTH DRILLING MINING