TREA

Chocks or the like

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Industry

  • CPC
  • E21D15/48
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D15/00Props Chocks

Current Industry

E21D15/48Chocks or the like
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Pumpable Crib Bag
    • Publication number 20220090501
    • Publication date Mar 24, 2022
    • FCI HOLDINGS DELAWARE, INC.
    • Dakota Faulkner
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD OF RECOVERING ROOM-AND-PILLAR COAL PILLAR BY USING EXTERNAL...
    • Publication number 20200318480
    • Publication date Oct 8, 2020
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Nan ZHOU
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE ROOF SUPPORT
    • Publication number 20200131905
    • Publication date Apr 30, 2020
    • Crosscut Enterprises LLC
    • David A. HUSSEY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE ROOF SUPPORT, PRE-INSTALLATION ASSEMBLY FOR SAME, AND METHOD O...
    • Publication number 20190203597
    • Publication date Jul 4, 2019
    • BURRELL MINING PRODUCTS, INC.
    • Don C. Abel
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TELESCOPIC MINE ROOF SUPPORT
    • Publication number 20150267536
    • Publication date Sep 24, 2015
    • BURRELL MINING PRODUCTS, INC.
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pumpable Crib
    • Publication number 20140363241
    • Publication date Dec 11, 2014
    • Dakota Faulkner
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    NESTED MINE ROOF SUPPORTS
    • Publication number 20140348596
    • Publication date Nov 27, 2014
    • David A. HUSSEY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TELESCOPIC MINE ROOF SUPPORT
    • Publication number 20140064859
    • Publication date Mar 6, 2014
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    YIELDABLE MINE ROOF SUPPORT
    • Publication number 20130336727
    • Publication date Dec 19, 2013
    • Dakota Faulkner
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRELOADABLE SUPPORT
    • Publication number 20130336728
    • Publication date Dec 19, 2013
    • Natalie Killassy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Prop for Mining, Construction and the Like
    • Publication number 20130149044
    • Publication date Jun 13, 2013
    • Craig Douglas Barnett
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Nested Mine Roof Supports
    • Publication number 20130136545
    • Publication date May 30, 2013
    • Micon
    • David A. Hussey
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    GROUT PACK RESTRAINING ENVELOPE
    • Publication number 20130129426
    • Publication date May 23, 2013
    • Nils Mittet Skarbövig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Crib Bag
    • Publication number 20130121774
    • Publication date May 16, 2013
    • DU TECHNOLOGIES, INC.
    • Thomas Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pumpable Crib
    • Publication number 20120269585
    • Publication date Oct 25, 2012
    • FCI HOLDINGS DELAWARE, INC.
    • Dakota Faulkner
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL REINFORCEMENT STRUCTURE AND TUNNEL CONSTRUCTION METHOD CAPAB...
    • Publication number 20120107049
    • Publication date May 3, 2012
    • Hyundai Engineering & Construction Co., Ltd.
    • Dae Young Kim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pumpable crib bag assembly and method of installation
    • Publication number 20120009023
    • Publication date Jan 12, 2012
    • Joseph P. Bower
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pumpable Support with Cladding
    • Publication number 20110262231
    • Publication date Oct 27, 2011
    • Micon
    • David A. Hussey
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE SUPPORT GROUT PACKS
    • Publication number 20110222970
    • Publication date Sep 15, 2011
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Lite mine roof support crib and method
    • Publication number 20110164929
    • Publication date Jul 7, 2011
    • Gregory Roy Paton-Ash
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Hydrostatically Enabled Structure Element (HESE)
    • Publication number 20110047886
    • Publication date Mar 3, 2011
    • Charles R. Welch
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    GROUT PACK ASSEMBLY
    • Publication number 20100284752
    • Publication date Nov 11, 2010
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE SUPPORT GROUT BAGS AND GROUT PACKS
    • Publication number 20100247249
    • Publication date Sep 30, 2010
    • Nils Mittet Skarbövig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE SUPPORT GROUT BAGS AND PACKS
    • Publication number 20100209023
    • Publication date Aug 19, 2010
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    UNDERGROUND MINE VENTILATION CURTAIN OR BARRIER
    • Publication number 20100144264
    • Publication date Jun 10, 2010
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VERSATILE GROUT BAG TYPE OF UNDERGROUND SUPPORT
    • Publication number 20100135732
    • Publication date Jun 3, 2010
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    GROUT BAG TYPE OF UNDERGROUND SUPPORT
    • Publication number 20100104376
    • Publication date Apr 29, 2010
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Grout Pack Restraining System
    • Publication number 20090226264
    • Publication date Sep 10, 2009
    • Nils Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Grout pack restraining system
    • Publication number 20070231085
    • Publication date Oct 4, 2007
    • Nils Mittet Skarbovig
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mine support
    • Publication number 20070092344
    • Publication date Apr 26, 2007
    • Nico Erasmus
    • E21 - EARTH DRILLING MINING