TREA

Component parts or details of props

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Industry

  • CPC
  • E21D15/50
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Parent Industries

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

Current Industry

E21D15/50Component parts or details of props
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable lattice girder
    • Patent number 11,242,750
    • Issue date Feb 8, 2022
    • FCI Holdings Delaware, Inc.
    • John C. Stankus
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support, pre-installation assembly for same, and method o...
    • Patent number 11,136,887
    • Issue date Oct 5, 2021
    • Burrell Mining Products, Inc.
    • Don C. Abel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Underground support
    • Patent number 11,131,189
    • Issue date Sep 28, 2021
    • FCI Holdings Delaware, Inc.
    • Kevin J. Ma
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Top plate for cribbing stacks and associated methods
    • Patent number 11,015,316
    • Issue date May 25, 2021
    • Cleveland Reclaim Industries
    • Tom Norton
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for pre-loading mechanical constant-resistance...
    • Patent number 10,385,692
    • Issue date Aug 20, 2019
    • China University of Mining and Technology
    • Jixiong Zhang
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Mine roof support
    • Patent number 9,752,435
    • Issue date Sep 5, 2017
    • SETEVOX (PTY) LTD
    • Johann Adriaan Venter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Nested mine roof supports
    • Patent number 8,801,338
    • Issue date Aug 12, 2014
    • Micon
    • David A. Hussey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine support and method of forming the same
    • Patent number 6,558,085
    • Issue date May 6, 2003
    • Alethea Rosalind Melanie Hall
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Support column for use in a mine
    • Patent number 5,484,130
    • Issue date Jan 16, 1996
    • Bochumer Eisenhutte Heintzmann GmbH & Co. KG
    • Lothar Domanski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2771136
    • Patent number 2,771,136
    • Issue date Nov 20, 1956
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2654568
    • Patent number 2,654,568
    • Issue date Oct 6, 1953
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2445543
    • Patent number 2,445,543
    • Issue date Jul 20, 1948
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2324141
    • Patent number 2,324,141
    • Issue date Jul 13, 1943
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    Adjustable Lattice Girder
    • Publication number 20210156251
    • Publication date May 27, 2021
    • FCI HOLDINGS DELAWARE, INC.
    • John C. Stankus
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Underground Support
    • Publication number 20200173280
    • Publication date Jun 4, 2020
    • FCI Holdings Delaware, Inc.
    • Kevin J. Ma
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS AND METHOD FOR PRE-LOADING MECHANICAL CONSTANT-RESISTANCE...
    • Publication number 20190085690
    • Publication date Mar 21, 2019
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Jixiong ZHANG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINE ROOF SUPPORT
    • Publication number 20150204192
    • Publication date Jul 23, 2015
    • Saltus Poles CC
    • Johann Adriaan Venter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROOF SUPPORT SHEET HANDLING FOR UNDERGROUND MINES
    • Publication number 20150086280
    • Publication date Mar 26, 2015
    • Joy MM Delaware, Inc.
    • Peter A. Lugg
    • 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

    Nested Mine Roof Supports
    • Publication number 20130136545
    • Publication date May 30, 2013
    • Micon
    • David A. Hussey
    • 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

    ROOF SUPPORT SHEET HANDLING FOR UNDERGROUND MINES
    • Publication number 20120213598
    • Publication date Aug 23, 2012
    • Peter A. Lugg
    • E21 - EARTH DRILLING MINING