| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 08/06/2009 | WO2009094725A1 Rock bolt assembly |
| 08/06/2009 | CA2712293A1 Rock bolt assembly |
| 08/05/2009 | CN201284461Y Apparatus with convenient pre-stress anchor cable anchorage |
| 08/04/2009 | US7568862 Plug member |
| 07/30/2009 | WO2009092659A2 Injection head |
| 07/30/2009 | WO2009092632A1 Injection spigot |
| 07/30/2009 | WO2009092630A1 Anchor tube and method for production thereof |
| 07/30/2009 | WO2009092626A2 Injection head for an injection bore anchor |
| 07/30/2009 | US20090191007 Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts |
| 07/30/2009 | US20090191005 Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design |
| 07/30/2009 | DE102008006236A1 Injektionskopf für Injektionsbohranker Injection head for injection drilling |
| 07/30/2009 | DE102008006235A1 Ankerrohr und Verfahren zu dessen Herstellung Armature tube and method for its production |
| 07/30/2009 | DE102008006234A1 Injektionskopf Injection head |
| 07/30/2009 | DE102008006233A1 Injektionsstutzen Injection port |
| 07/30/2009 | CA2713194A1 Injection spigot |
| 07/30/2009 | CA2713190A1 Anchor tube and method for production thereof |
| 07/29/2009 | CN100519991C Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt |
| 07/23/2009 | WO2009091612A2 Concrete anchor insertion device and method |
| 07/23/2009 | WO2009091041A1 Steel pipe for reinforcing foundation, method of reinforcing foundation using the same, and method of reinforcing structure |
| 07/22/2009 | CN100516465C Integrated tunnelling and anchoring machine |
| 07/21/2009 | CA2340371C Tubular anchor(ii) |
| 07/16/2009 | US20090180839 Concrete Anchor Insertion Device and Method |
| 07/15/2009 | EP2078135A1 Cement silo structure for mining machine |
| 07/15/2009 | CN201273193Y Hanging wheel apparatus for tunnel breast wall rail |
| 07/15/2009 | CN101482023A Novel tunnel anchor cable/rod support method |
| 07/15/2009 | CN100513745C Construction method for mechanical hole reaming of anchor rod |
| 07/08/2009 | CN101476472A Weak-gluing easy-weathering ravelly ground tunnel surrounding rock control method |
| 07/07/2009 | US7555862 Method for conserving soil and water by integrating botanical net body and soft framework |
| 07/02/2009 | WO2009080876A1 Method and devices for handling rod-like pieces in drilling and bolting |
| 07/02/2009 | WO2009079684A1 Self drilling rock bolting |
| 07/01/2009 | EP2075404A2 Device for applying mortar |
| 07/01/2009 | CN100507929C Improvements in drilling apparatus |
| 06/17/2009 | CN100501129C Truss supporting technology for ingredient top slope deformation control |
| 06/16/2009 | US7547161 Apparatus for positioning anchor bolts and method of using same |
| 06/04/2009 | US20090142145 Clip-on connector to geogrid for segmental block reinforced soil retaining wall mechanical connection system |
| 06/04/2009 | US20090142142 Self-drilling connection anchor |
| 06/04/2009 | DE102007057763A1 Selbstbohrender Verbundanker A self Xings |
| 06/04/2009 | DE102005050929B4 Verfahren zum Setzen von Gesteinsankern Method for setting rock bolts |
| 06/03/2009 | EP2065559A2 Self-boring compound anchoring element |
| 05/27/2009 | CN201246176Y Torsion amplifier |
| 05/26/2009 | CA2342507C Tubular anchor(iii) |
| 05/22/2009 | WO2009062217A2 Advancing machine |
| 05/22/2009 | CA2705842A1 Heading machine |
| 05/20/2009 | CN201241718Y Clamshell excavator type mucking anchorage machine |
| 05/19/2009 | US7534995 Device for examining rotor drilled holes |
| 05/13/2009 | CN201236716Y Hydraulic disanchoring device |
| 05/13/2009 | CN201236715Y Drill rod and drill bit connection apparatus of roof-bolter |
| 05/08/2009 | CA2641637A1 Method of attachment of a towing anchor to an iceberg |
| 04/29/2009 | CN201228555Y Machine-mounted hydraulic anchor rod machine |
| 04/29/2009 | CN100482920C Reinforced-sealing pressure-stabilizing consolidation release-controlled superimposed stress weak rock coal supporting technology |
| 04/22/2009 | CN201225153Y Rock lane digging and supporting construction drill |
| 04/22/2009 | CN101413396A Injecting and mounting method of stretching anchor rod |
| 04/15/2009 | CN201221368Y Change gear apparatus for laneway breast wall rail |
| 04/15/2009 | CN201221367Y Gun mining working face breast wall net turnover device |
| 04/15/2009 | CN201221366Y Gun mining working face breast wall stepping apparatus |
| 04/15/2009 | CN101408089A Construction method of buried depth monitoring instrument poreforming and anchorage cable poreforming under unfavorable geological condition |
| 04/09/2009 | WO2009043234A1 A track-mounted elevator top and side bolts and cables drilling machine |
| 04/08/2009 | CN101403302A Pedrail type liftable anchor bar anchor cable construction drill rig and double-lane fast digging technique |
| 04/02/2009 | WO2009039573A1 Method for fixing a cable or tendon |
| 04/02/2009 | CA2697550A1 Method for fixing a cable or tendon |
| 04/01/2009 | EP2041395A1 Arrangement and method for determining the position of a rock reinforcing bolt |
| 04/01/2009 | CN201214788Y Grouting device under pressure for mortar anchor rod |
| 03/25/2009 | CN101395342A Apparatus and method for securing resin set bolts when performing rock bolting |
| 03/25/2009 | CN101392652A Bottom column stope process |
| 03/25/2009 | CN101392651A Multifunction downhole bottom ripping machine |
| 03/25/2009 | CN101392632A Three-cylinder airleg matched with rock drill |
| 03/25/2009 | CN100471812C Curing agent component for an at least two-component mortar composition, method of preparing the same and use thereof |
| 03/18/2009 | CN201209406Y Roofbolt drill rod |
| 03/18/2009 | CN101389827A Injection bolt with a fixed static mixer |
| 03/18/2009 | CN101387202A Method for enlarging and digging tunnel portal at weak surrounding rock section in tunnel |
| 03/12/2009 | US20090067932 Re-tensionable cable bolt apparatus and related method |
| 03/05/2009 | WO2009029013A1 Rock bolt with mechanical anchor |
| 03/05/2009 | WO2009029012A1 Hollow rock bolt, self -drilling rock bolt and method of forming a hollow rock bolt |
| 03/05/2009 | CA2695771A1 Rock bolt with mechanical anchor |
| 03/05/2009 | CA2695766A1 Hollow rock bolt, self -drilling rock bolt and method of forming a hollow rock bolt |
| 03/04/2009 | CN201202400Y Baseboard anchorage cable drill |
| 02/26/2009 | WO2009023922A1 Friction bolt assembly |
| 02/26/2009 | WO2009023889A1 Armature boring and setting device |
| 02/26/2009 | US20090052995 Arrangement for injecting and affixing a reinforcing or anchoring element in a rock wall |
| 02/26/2009 | CA2697022A1 Friction bolt assembly |
| 02/25/2009 | CN201198570Y Rigging drill head for built-in steel twisted bundle and steel twisted wire bundling apparatus |
| 02/19/2009 | WO2009023108A2 Improved earth anchor |
| 02/19/2009 | DE102007039141A1 Tool used for setting expanding masonry bolt, to form e.g. anchor stud in concrete, includes impact rod with adjustable length |
| 02/19/2009 | CA2694145A1 Pivoting ground anchor |
| 02/12/2009 | US20090041550 Expansion bail anchor and method |
| 02/12/2009 | US20090041548 Ground anchor |
| 02/11/2009 | CN201193480Y Double-flant anchor rod drill |
| 02/11/2009 | CN201193478Y Drivage face emulsion drill against outburst |
| 02/11/2009 | CN101363306A Pneumatic anchor rod hammer drill |
| 02/05/2009 | DE102007038265B3 Apparatus for setting rock anchor, has drilling unit and anchor setting unit, which is adjustable arranged and formed between stand-by position and working position in each case |
| 02/04/2009 | CN201190572Y Full-section mesh paving device for mine roadway |
| 01/27/2009 | US7481603 Tensionable spiral bolt with resin nut and related method |
| 01/21/2009 | CN201184208Y Coal mine support anchor rod erector |
| 01/21/2009 | CN101349159A Method of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face |
| 01/20/2009 | CA2593669A1 Bolting partner |
| 01/15/2009 | WO2009007576A2 Dual component system containing retarded aluminous cement with instantaneous initiation |
| 01/15/2009 | US20090016823 Device and Method for Installing a Rock Bolt and a Rock Bolt Installation Rig |
| 01/15/2009 | DE102007000374A1 Profilierungselement Profiling element |
| 01/15/2009 | CA2691686A1 Dual component system containing retarded aluminous cement with instantaneous initiation |
| 01/14/2009 | CN201181418Y Anchor cable stretching automatic monitoring system |