TREA

Caps for supporting mine roofs

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Industry

  • CPC
  • E21D17/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Current Industry

E21D17/00Caps for supporting mine roofs

Sub Industries

E21D17/003with essential hydraulic elements E21D17/006characterised by the material E21D17/01characterised by the shape of the cap E21D17/02Cantilever extension or similar protecting devices E21D17/0206Hydraulically operated extension devices E21D17/0213Assembling devices for pivoting caps upwardly E21D17/03Brackets for roof-supporting bars E21D17/04for use in longwall working E21D17/06for use in drifting galleries E21D17/08Cap joints for obtaining a coal-face free of pit-props E21D17/082of sliding type E21D17/086or articulated type E21D17/10Details of mine caps for engaging the tops of pit-props, with or without retaining-plates Retaining-plates
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fiberglass roof and rib plate
    • Patent number 10,036,251
    • Issue date Jul 31, 2018
    • FCI Holdings Delaware, Inc.
    • Travis Mikel Sub
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ventilated mine roof support
    • Patent number 9,903,203
    • Issue date Feb 27, 2018
    • Burrell Mining Products, Inc.
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining roof support system
    • Patent number 9,206,687
    • Issue date Dec 8, 2015
    • Caterpillar Global Mining America LLC
    • Robert Needham
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Support section for mines and tunnels
    • Patent number 4,881,853
    • Issue date Nov 21, 1989
    • Gunter Benning
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Articulating steel cap for underground mining support structures
    • Patent number 4,820,085
    • Issue date Apr 11, 1989
    • Martha-Catharina Heiliger
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Non-crosslinked polyether-ketones which can be processed by a therm...
    • Patent number 4,645,819
    • Issue date Feb 24, 1987
    • BASF Aktiengesellschaft
    • Hans-Josef Sterzel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,548,527
    • Issue date Oct 22, 1985
    • Dowty Mining Equipment Limited
    • Christopher J. Bishop
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cap positioning mechanism
    • Patent number 4,447,174
    • Issue date May 8, 1984
    • Gewerkschaft Eisenhutte Westfalia
    • Kunibert Becker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic roof-support frame
    • Patent number 4,266,892
    • Issue date May 12, 1981
    • Hermann Hemscheidt Maschinenfabrik GmbH & Co.
    • Alfred Maykemper
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Heavy duty adjustable prop with a ball-and-socket joint
    • Patent number 4,231,672
    • Issue date Nov 4, 1980
    • Charbonnages de France
    • Guy Blanpain
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support method and apparatus
    • Patent number 4,146,349
    • Issue date Mar 27, 1979
    • Jay H. Kelley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,095,432
    • Issue date Jun 20, 1978
    • Fletcher Sutcliffe Wild Limited
    • Arthur Scarfe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ball-and-socket type connections for use with mining apparatus
    • Patent number 4,004,771
    • Issue date Jan 25, 1977
    • Gewerkschaft Eisenhutte Westfalia
    • Lubomir Plevak
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Telescopic support caps, e.g. for use in mining
    • Patent number 3,991,577
    • Issue date Nov 16, 1976
    • Heuilleres du Bassin de Lorraine
    • Jean P. Thevenoux
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3902325
    • Patent number 3,902,325
    • Issue date Sep 2, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3782673
    • Patent number 3,782,673
    • Issue date Jan 1, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3762172
    • Patent number 3,762,172
    • Issue date Oct 2, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3754402
    • Patent number 3,754,402
    • Issue date Aug 28, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3732699
    • Patent number 3,732,699
    • Issue date May 15, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3722846
    • Patent number 3,722,846
    • Issue date Mar 27, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3686874
    • Patent number 3,686,874
    • Issue date Aug 29, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3640574
    • Patent number 3,640,574
    • Issue date Feb 8, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3614141
    • Patent number 3,614,141
    • Issue date Oct 19, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3534559
    • Patent number 3,534,559
    • Issue date Oct 20, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3512364
    • Patent number 3,512,364
    • Issue date May 19, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3466875
    • Patent number 3,466,875
    • Issue date Sep 16, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3455113
    • Patent number 3,455,113
    • Issue date Jul 15, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3441317
    • Patent number 3,441,317
    • Issue date Apr 29, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3427811
    • Patent number 3,427,811
    • Issue date Feb 18, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3425656
    • Patent number 3,425,656
    • Issue date Feb 4, 1969
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MINING SINGLE STEEPLY-INCLINED THICK COAL SEAM
    • Publication number 20200024944
    • Publication date Jan 23, 2020
    • Shandong University of Science and Technology
    • Zhongping GUO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VENTILATED MINE ROOF SUPPORT
    • Publication number 20170159433
    • Publication date Jun 8, 2017
    • BURRELL MINING PRODUCTS, INC.
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SYSTEM FOR MOUNTING CROSSBAR OF TEMPORARY ROOF SUPPORT SYSTEM
    • Publication number 20160146007
    • Publication date May 26, 2016
    • Caterpillar Global Mining America LLC
    • Kesavan Mohanram
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TEMPORARY ROOF SUPPORT SYSTEM WITH ANTI-ROTATION FEATURE
    • Publication number 20160102552
    • Publication date Apr 14, 2016
    • Caterpillar Global Mining America LLC
    • David M. Denson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VENTILATED MINE ROOF SUPPORT
    • Publication number 20160061032
    • Publication date Mar 3, 2016
    • BURRELL MINING PRODUCTS, INC.
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINING ROOF SUPPORT SYSTEM
    • Publication number 20150300169
    • Publication date Oct 22, 2015
    • Caterpillar Global Mining LLC
    • Robert Needham
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TRUSS EYE
    • Publication number 20150192016
    • Publication date Jul 9, 2015
    • DSI Systems Underground, Inc.
    • Marc Renn Oler
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    KNOTTED MESH AS SUPPORTING MATERIAL IN MINES
    • Publication number 20150104261
    • Publication date Apr 16, 2015
    • MINOVA INTERNATIONAL LIMITED
    • David Aspinwall
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Fiberglass Roof and Rib Plate
    • Publication number 20130236250
    • Publication date Sep 12, 2013
    • FCI HOLDINGS DELAWARE, INC.
    • Travis Mikel Sub
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ENGINEERED METAL CRIB FOR USE AS A SUPPORT STRUCTURE
    • Publication number 20110250023
    • Publication date Oct 13, 2011
    • BOARD OF TRUSTEES OF SOUTHERN ILLINOIS UNIVERSITY
    • Yoginder P. Chugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mine Roof and Rib Support with Vertical Bolt
    • Publication number 20110250024
    • Publication date Oct 13, 2011
    • FCI HOLDINGS DELAWARE INC.
    • Ben Mirabile
    • E21 - EARTH DRILLING MINING