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  • CPC
  • E21D21/0093
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection

Current Industry

E21D21/0093Accessories
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Dolly for Rockbolt
    • Publication number 20240360760
    • Publication date Oct 31, 2024
    • FCI HOLDINGS DELAWARE, INC.
    • Jason Matthews
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROCK BOLT ASSEMBLY COMPRISING A SENSOR ASSEMBLY
    • Publication number 20230023293
    • Publication date Jan 26, 2023
    • SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD
    • Osvaldo VALLATI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROCK BOLT WITH INFORMATION DISPLAY REGION
    • Publication number 20220356804
    • Publication date Nov 10, 2022
    • SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD
    • Mieczyslaw RATAJ
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONNECTION DEVICE AND SYSTEM FOR SUSPENDING A MONORAIL BEAM FROM A...
    • Publication number 20220325626
    • Publication date Oct 13, 2022
    • Sandvik Mining and Construction G.m.b.H.
    • Hubert RIEGER
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    ROCK BOLT WITH INFORMATION DISPLAY REGION
    • Publication number 20210172318
    • Publication date Jun 10, 2021
    • SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD
    • Mieczyslaw RATAJ
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Grouting bolt-cable composite beam and supporting method for advanc...
    • Publication number 20210087931
    • Publication date Mar 25, 2021
    • Shandong University of Science and Technology
    • Xuesheng Liu
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SAFETY SYSTEM AND METHOD FOR PROTECTING AGAINST A HAZARD OF DRILL R...
    • Publication number 20200408093
    • Publication date Dec 31, 2020
    • JUSAND NOMINEES PTY LTD AS TRUSTEE FOR AN & JM NOONAN FAMILY TRUST
    • Gerry Noonan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROCK BOLT WITH MESHING ADAPTER
    • Publication number 20200318479
    • Publication date Oct 8, 2020
    • Sandvik Intellectual Property AB
    • Mieczyslaw RATAJ
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROCK BOLT WITH RELEASEABLY FIXABLE BUNG
    • Publication number 20200173281
    • Publication date Jun 4, 2020
    • EPIROC HOLDINGS SOUTH AFRICA (PTY) LTD
    • Brendan Robert CROMPTON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    RETAINER DEVICE FOR A ROCK ANCHOR, ROCK ANCHOR SYSTEM AND ASSOCIATE...
    • Publication number 20200072051
    • Publication date Mar 5, 2020
    • Jusand Nominees Pty Ltd
    • Sam Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROCK BOLT INSTALLATION TOOL
    • Publication number 20200011177
    • Publication date Jan 9, 2020
    • EPIROC HOLDINGS SOUTH AFRICA (PTY) LTD
    • Paolo Ettore PASTORINO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROCK ANCHOR INFLATION AND DRAINING SYSTEM
    • Publication number 20190211675
    • Publication date Jul 11, 2019
    • Nevada Industrial LLC
    • Chris Ravencroft
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANCHORING METHOD UTILIZING SELF-DRILLING AND SELF-ANCHORING EXTENDA...
    • Publication number 20190169987
    • Publication date Jun 6, 2019
    • China University of Mining and Technology
    • Nong ZHANG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EXPANDABLE ROCK BOLT WITH INDICATOR OF CLAMPING
    • Publication number 20190162068
    • Publication date May 30, 2019
    • DSI UNDERGROUND IP HOLDINGS LUXEMBOURG SARL
    • Vladimir Chrobak
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SPLINE DRIVE DRILL STEEL COUPLERS
    • Publication number 20190063504
    • Publication date Feb 28, 2019
    • Kennametal Inc.
    • Nicholas J. Paros
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MESH SUPPORTING ROCK ANCHOR
    • Publication number 20180355719
    • Publication date Dec 13, 2018
    • NCM INNOVATIONS (PTY) LTD
    • Brendan Robert CROMPTON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING
    • Publication number 20180313707
    • Publication date Nov 1, 2018
    • REI, Inc.
    • Alex Schumacher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPRING SUSPENSION CLIP
    • Publication number 20170211385
    • Publication date Jul 27, 2017
    • Graden Colby
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BREATHER TUBE INDICATOR
    • Publication number 20170184434
    • Publication date Jun 29, 2017
    • NCM INNOVATIONS (PTY) LTD
    • Brendan Robert CROMPTON
    • G01 - MEASURING TESTING
  • Information Patent Application

    ROCK ANCHOR GROUTING TOOL
    • Publication number 20170009580
    • Publication date Jan 12, 2017
    • B & K Mining Pty Ltd
    • Bobby GULABOVSKI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BOLT PLATE MAGAZINE AND CENTRALIZER
    • Publication number 20160305243
    • Publication date Oct 20, 2016
    • 1311854 ONTARIO LIMITED
    • Yves Nelson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ANCHORING AND ANTI-CLOGGING DRILL ROD FOR COAL MINE FLOOR
    • Publication number 20160138397
    • Publication date May 19, 2016
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Zhanguo Ma
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    NON-MECHANICAL ANCHOR
    • Publication number 20160122967
    • Publication date May 5, 2016
    • Matthew Gerard Burnor
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DEVICE, SYSTEM AND METHOD FOR DYNAMIC TESTING OF GROUND SUPPORT BOL...
    • Publication number 20160025608
    • Publication date Jan 28, 2016
    • Sandvik Intellectual Property AB
    • Bradley DARLINGTON
    • G01 - MEASURING TESTING
  • Information Patent Application

    Anti-Friction Washer System
    • Publication number 20160017709
    • Publication date Jan 21, 2016
    • FCI HOLDINGS DELAWARE, INC.
    • Travis Mikel Sub
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rock Bolt
    • Publication number 20150354354
    • Publication date Dec 10, 2015
    • Ola Våhlström
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Connection Means with Shape Memory
    • Publication number 20150337659
    • Publication date Nov 26, 2015
    • ThyssenKrupp Steel Europe AG
    • Rainer FECHTE-HEINEN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Expandable Bolt With Thrust Element
    • Publication number 20150322786
    • Publication date Nov 12, 2015
    • FCI HOLDINGS DELAWARE, INC.
    • David A. Martin
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ROCK ANCHOR BOLT
    • Publication number 20150322785
    • Publication date Nov 12, 2015
    • SUOMEN METALLITYÖ OY
    • Tomi AHOLA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mine roof bolt system
    • Publication number 20150308269
    • Publication date Oct 29, 2015
    • MATLOK, INC.
    • Joseph E. Bryan
    • E21 - EARTH DRILLING MINING