TREA

Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions

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Industry

  • CPC
  • E21F5/14
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F5/00Means or methods for preventing, binding, depositing, or removing dust Preventing explosions or fires

Current Industry

E21F5/14Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Combined automatic anti-explosion method for gas drainage pipeline
    • Patent number 10,612,379
    • Issue date Apr 7, 2020
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Caiping Lu
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Explosion protection system
    • Patent number 10,252,092
    • Issue date Apr 9, 2019
    • LEPL G. TSULUKIDZE MINING INSTITUTE
    • Edgar Mataradze
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Explosion suppression system
    • Patent number 5,119,877
    • Issue date Jun 9, 1992
    • The United States of America as represented by the Secretary of the Interior
    • Michael J. Sapko
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Passive explosion barrier for mines
    • Patent number 4,284,144
    • Issue date Aug 18, 1981
    • The United States of America as represented by the Secretary of the Interior
    • Israel Liebman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Trigger device for explosion barrier
    • Patent number 4,173,140
    • Issue date Nov 6, 1979
    • The United States of America as represented by the Secretary of the Interior
    • Israel Liebman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Passive explosion barrier
    • Patent number 3,960,217
    • Issue date Jun 1, 1976
    • The United States of America as represented by the Secretary of the Interior
    • Israel Liebman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure sensitive explosion barrier
    • Patent number 3,958,644
    • Issue date May 25, 1976
    • The United States of America as represented by the Secretary of the Interior
    • Israel Liebman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3878897
    • Patent number 3,878,897
    • Issue date Apr 22, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3831318
    • Patent number 3,831,318
    • Issue date Aug 27, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3684021
    • Patent number 3,684,021
    • Issue date Aug 15, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3515217
    • Patent number 3,515,217
    • Issue date Jun 2, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2912299
    • Patent number 2,912,299
    • Issue date Nov 10, 1959
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2102006
    • Patent number 2,102,006
    • Issue date Dec 14, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1873161
    • Patent number 1,873,161
    • Issue date Aug 23, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1568281
    • Patent number 1,568,281
    • Issue date Jan 5, 1926
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1539091
    • Patent number 1,539,091
    • Issue date May 26, 1925
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1476624
    • Patent number 1,476,624
    • Issue date Dec 4, 1923
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1459677
    • Patent number 1,459,677
    • Issue date Jun 19, 1923
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    EXPLOSION PROTECTION SYSTEM
    • Publication number 20180161609
    • Publication date Jun 14, 2018
    • LEPL G. TSULUKIDZE MINING INSTITUTE
    • Edgar MATARADZE
    • E21 - EARTH DRILLING MINING