TREA

William S. Clapham

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  • Ecclesfield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mineral winning pick, pick holder, and combination
    • Patent number 10,724,369
    • Issue date Jul 28, 2020
    • ESCO Group LLC
    • Roberto de Jesus Torres Delgado
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutter tool
    • Patent number 9,206,686
    • Issue date Dec 8, 2015
    • ESCO HYDRA (UK) LIMITED
    • Brett Ball
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary cutting head with water supply
    • Patent number 6,840,585
    • Issue date Jan 11, 2005
    • Hydra Mining Tools International LTD
    • William Stephen Clapham
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pick box for housing a mineral cutter pick
    • Patent number 6,536,847
    • Issue date Mar 25, 2003
    • Hydra Mining Tools International LTD
    • William Stephen Clapham
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Point attack tooling system for mineral winning
    • Patent number 6,099,081
    • Issue date Aug 8, 2000
    • Hydra Tools International Limited
    • John Joseph Warren
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sleeve for tooling system for mineral winning
    • Patent number D420013
    • Issue date Feb 1, 2000
    • Hydra Tools International Limited
    • John Joseph Warren
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Sleeve for tooling system for mineral winning
    • Patent number D413126
    • Issue date Aug 24, 1999
    • Hydra Tools International Limited
    • John Joseph Warren
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic circuit
    • Patent number 5,744,034
    • Issue date Apr 28, 1998
    • Hydra Tools International PLC
    • William Stephen Clapham
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Water supply system for a mining machine
    • Patent number 5,690,392
    • Issue date Nov 25, 1997
    • Hydra Tools International PLC
    • William Stephan Clapham
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral cutter tooling system
    • Patent number 5,392,870
    • Issue date Feb 28, 1995
    • Hydra Tools International PLC
    • William S. Clapham
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral cutter tip and pick
    • Patent number 5,319,855
    • Issue date Jun 14, 1994
    • Hydra Tools International PLC
    • Charles M. Beevers
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    CUTTER TOOL
    • Publication number 20150028655
    • Publication date Jan 29, 2015
    • ESCO Hydra (UK) Limited
    • Brett Ball
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mineral Winning Pick, Pick Holder, And Combination
    • Publication number 20140368022
    • Publication date Dec 18, 2014
    • Roberto de Jesus Torres Delgado
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CUTTING CHAIN
    • Publication number 20140312679
    • Publication date Oct 23, 2014
    • ESCO Hydra (UK) Limited
    • William Stephen Clapham
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Rotary cutting head for a mining etc machine
    • Publication number 20030137184
    • Publication date Jul 24, 2003
    • William Stephen Clapham
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pick box for housing a mineral cutter pick
    • Publication number 20020053827
    • Publication date May 9, 2002
    • William S. Clapham
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC