TREA

using compressed gas injectors

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Industry

  • CPC
  • E21F1/085
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F1/00Ventilation of mines or tunnels Distribution of ventilating currents

Current Industry

E21F1/085using compressed gas injectors
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY-EFFICIENT TUNNEL VENTILATION DEVICE
    • Publication number 20160025105
    • Publication date Jan 28, 2016
    • Fathi TARADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Change Over Station and Method
    • Publication number 20140349562
    • Publication date Nov 27, 2014
    • STRATA PRODUCTS WORLDWIDE, LLC
    • David Emerson Maust
    • E21 - EARTH DRILLING MINING