| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 01/20/2010 | EP2146050A2 Setting method of a self-drilling chemically anchored attachment element |
| 01/20/2010 | EP2145077A1 Device for producing a drill hole in rock material |
| 01/17/2010 | CA2671375A1 Method of setting a self-drilling, chemically anchorable fastening element and a self-drilling chemically anchorable fastening element |
| 01/13/2010 | CN201381866Y Anchor rod pallet board |
| 01/13/2010 | CN100580590C Anchorage cable stretching automatic monitoring system |
| 01/13/2010 | CN100580224C Blast mining face self-breast wall apparatus |
| 01/07/2010 | US20100003088 Anchor with grout jacket |
| 01/07/2010 | DE102008031380A1 Verfahren zum Einbringen von Verschlußkörpern in Betonwand-Ankerlöcher Method for introducing closure bodies in concrete wall anchor holes |
| 01/07/2010 | DE102008030051A1 Ankerstange zur Verankerung in einem Bohrloch Anchor rod for anchoring in a wellbore |
| 12/31/2009 | DE10123250B4 Bohr-und Ankersetzgerät mit Bohrstangenzentrierung Drilling and bolting device with Bohrstangenzentrierung |
| 12/30/2009 | WO2009157774A1 Method and device for anchoring electric conductive bolts to a solid matrix |
| 12/30/2009 | WO2009155776A1 A dilling, loading, transporting and anchoring integration machine for laneway in coal mine |
| 12/30/2009 | EP2138674A1 A track-mounted elevator top and side bolts and cables drilling machine |
| 12/30/2009 | CN201372804Y Self-locking grouting joint |
| 12/30/2009 | CN201372803Y Anchor cable unlocking device with tensioning jack |
| 12/23/2009 | EP2136087A1 Method and device for inserting an anchor mass in a blind hole |
| 12/16/2009 | EP2133510A2 Adapter for setting a self-drilling chemically anchored attachment element |
| 12/16/2009 | CN201363158Y Anchor rod supporting plate assorted with steel bar supporting beam for use |
| 12/16/2009 | CN201363157Y Gauge protecting member combined by steel bar supporting beam and W steel protecting plate |
| 12/16/2009 | CN201362847Y Circulating pressure grouting system for hollow anchor rod |
| 12/16/2009 | CN101603430A Adapter for setting a self-drilling chemically anchored attachment element |
| 12/16/2009 | CN100570128C Omnibearing high-pressure injection slip casting construction method with orifice grout stop |
| 12/15/2009 | US7632045 Detachable anchor bolt mixing head for use in mine roof support systems and method of using same |
| 12/10/2009 | US20090304456 Two stage mechanically stabilized earth wall system |
| 12/10/2009 | US20090304455 Adaptor for setting a self-drilling, chemically anchored, fastening element |
| 12/10/2009 | DE102008002303A1 Adaptervorrichtung zum Setzen eines selbstbohrenden, chemisch verankerbaren Befestigungselementes The adapter device for setting a self-drilling, chemically anchored fastening element |
| 12/09/2009 | CN201358805Y Working device of drilling jumbo |
| 12/09/2009 | CN101598018A Alpine bolter miner back affiliating travel type breaking and transhipping continuous transporting device |
| 12/03/2009 | US20090297279 rock bolt and an anchoring device |
| 12/03/2009 | US20090293788 Trailing Hose System for Aquatic Ecosystem Liquid and Granular Materials Application |
| 11/26/2009 | WO2009140943A1 Automated drilling and bolt setting device comprising separate carriages |
| 11/26/2009 | US20090290941 Setting method for anchoring a fastening element |
| 11/26/2009 | DE102008024365A1 Automatisiertes Bohr- und Ankersetzgerät mit separaten Lafetten Automated drilling and bolting device with separate mountings |
| 11/25/2009 | EP2123921A1 Setting method for anchoring an attachment element |
| 11/25/2009 | CN201351504Y Pressure relief protector |
| 11/25/2009 | CN201351503Y Hyperstatic equal-strength support anchorage cable locking mechanism |
| 11/25/2009 | CN201351453Y Jumbolter with temporary shoring |
| 11/24/2009 | CA2575710C An elongate element tensioning member |
| 11/24/2009 | CA2463028C Roof bolts for use in mines, a method for their production and method for their installation |
| 11/21/2009 | CA2666281A1 Setting method for anchoring a fastening element |
| 11/21/2009 | CA2666031A1 Fastening element |
| 11/19/2009 | US20090285640 Method for constructing a mechanically stabilized earthen embankment using semi-extensible steel soil reinforcements |
| 11/19/2009 | US20090285639 Soil reinforcing retaining wall anchor |
| 11/19/2009 | US20090285638 One-piece drill bit for single-pass anchor bolting and single pass drilling apparatus |
| 11/18/2009 | CN101581224A Machine-mounted roof-bolter |
| 11/18/2009 | CN101581223A Method for detecting slip casting effect of tunnel |
| 11/18/2009 | CN100560936C Method for coal mine downhole reproduction and back production |
| 11/17/2009 | US7617887 Method for casing drilling, drilling unit and adapter device |
| 11/17/2009 | US7617884 Drill slide for rock drilling apparatus |
| 11/12/2009 | WO2009136843A1 Rock drilling device |
| 11/12/2009 | WO2009136842A1 Feed unit |
| 11/12/2009 | WO2009136841A1 Rock drilling device and rock drilling rig and/or rock bolting rig comprising such device |
| 11/12/2009 | WO2009092626A3 Injection head for an injection bore anchor |
| 11/12/2009 | US20090279961 Resin Insertion Device and Methods of Inserting Resin |
| 11/11/2009 | CN201344039Y Anchor rod trolley |
| 11/11/2009 | CN201344034Y Multifunctional underground bottom cleaning machine |
| 11/11/2009 | CN201344032Y Complete device integrating the tunneling, protection and anchoring |
| 11/11/2009 | CN101575942A Pneumatic anchor rod hammer drill |
| 11/11/2009 | CN100559015C Integrated tunnelling and anchoring machine |
| 11/11/2009 | CN100559013C Tunneling, anchoring and drilling composite machine |
| 10/29/2009 | WO2009129688A1 Rock drivage and supporting construction drilling machine |
| 10/29/2009 | US20090269147 Adjustable anchor rod |
| 10/28/2009 | CN100554706C Method for affixing an anchor in a drilled hole |
| 10/27/2009 | CA2529372C Affixing an anchor in a drilled hole |
| 10/27/2009 | CA2454067C Connecting an anchoring rod to a drilling tool |
| 10/21/2009 | CN201330560Y Column type backplane jumbolter |
| 10/21/2009 | CN100552188C Rockbolt |
| 10/14/2009 | CN101555799A Automatic grouting control device of push bench and method |
| 10/13/2009 | US7600583 Automated, low profile drilling/bolting module with collaring |
| 10/08/2009 | WO2009092659A3 Injection head |
| 09/30/2009 | CN101545257A Novel anchor rod construction process and spare and accessory parts thereof |
| 09/23/2009 | CN101538856A Construction method of anchor rod with expanded head |
| 09/22/2009 | US7591328 Drilling and anchor setting tool |
| 09/22/2009 | CA2392557C Arrangement for feeding bonding material |
| 09/16/2009 | CN201310366Y Aperture pipe for high hydraulic mud injection |
| 09/16/2009 | CN201310365Y Anchor rod hole drilling machine |
| 09/16/2009 | CN101532292A Construction process for jet grouting anchor rod |
| 09/16/2009 | CN100540847C Extruder |
| 09/11/2009 | WO2009062217A3 Advancing machine |
| 09/09/2009 | CN201306175Y Support device of swinging arm telescopic type hydraulic jumbolter |
| 09/09/2009 | CN100538013C Lock bolt made of steel pipe |
| 09/08/2009 | US7585135 Marsh and wetland rehabilitation system and associated methods |
| 09/03/2009 | US20090220309 Self Drilling Rock Bolt |
| 09/02/2009 | EP2096258A2 Anchor with grout jacket |
| 09/02/2009 | CN101519977A Method for fixing gob-side entry retaining roadside packing body on coal seam with big declined angle |
| 09/01/2009 | CA2442320C Method and device for drilling a hole and for securing an anchorage in a bore hole |
| 08/27/2009 | WO2009104687A1 Device for detecting state-change of wire rod |
| 08/26/2009 | CN101514634A Anti-corrosion structure of reinforced anchor bolt in corrosion stratum |
| 08/26/2009 | CN100532789C Rock anchor rod |
| 08/19/2009 | CN201292853Y Pulp stopping plug for cable |
| 08/19/2009 | CN201292765Y Novel composite drill |
| 08/19/2009 | CN101509386A Composite support anchor rod and construction method thereof |
| 08/19/2009 | CN101509385A Cable stretching jack releasing device |
| 08/19/2009 | CN101509383A Tunnel footing anchor pouring reinforcement anti bottom expanding method and construction technique |
| 08/19/2009 | CN101509378A Shallow buried thin bedrock coal bed short wall continuous mining technology suitable condition classification method |
| 08/19/2009 | CN101508540A Resin mastic cement for anchorage agent and anchorage agent thereof |
| 08/19/2009 | CN100529331C Rockbolts made of high strength steel pipes and method of manufacturing thereof |
| 08/13/2009 | WO2009080876A8 Method and devices for handling rod-like pieces in drilling and bolting |
| 08/12/2009 | CN201288506Y Pipe following self-detaching combination structure |
| 08/12/2009 | CN101503962A Novel anchor rod with cap anchorage and total length radial anchorage |