| Patents for E21D 20 - Setting anchoring-bolts (3,685) |
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| 10/24/2007 | CN101058980A Construction method for self-feeding anchor pile |
| 10/23/2007 | US7284932 Pressing-out apparatus |
| 10/18/2007 | DE19512122B4 Injektionsbohranker Injection drilling |
| 10/17/2007 | EP1604323B1 Improvements in drilling apparatus |
| 10/17/2007 | CN100343333C Antistatic resin anchoring agent |
| 10/04/2007 | US20070231086 Method for supporting a subsurface material |
| 10/04/2007 | US20070231083 Systems and Methods for the Installation of Earth Anchors |
| 10/04/2007 | US20070227778 Methods for the Installation of Earth Anchors |
| 10/04/2007 | DE102006015549A1 Injektionspacker Injection packer |
| 10/03/2007 | EP1838948A1 Method and system for monitoring and documenting the installation of rock reinforcement bolt |
| 10/03/2007 | EP1749143B1 Device for examining rotor drilled holes |
| 10/03/2007 | CN101048574A Method for embedding rock anchors |
| 10/03/2007 | CN101048573A An elongate element tensioning member |
| 10/03/2007 | CN101046152A Integrated tunnelling and anchoring machine |
| 10/03/2007 | CN101046151A Integrated tunnelling and anchoring machine |
| 10/03/2007 | CN101046143A Directional unit for roof bolt boring |
| 09/26/2007 | CN101041745A Water-resistant type resin anchoring agent |
| 09/19/2007 | CN200949419Y Pneumatic impact type rockbolt drilling machine |
| 09/12/2007 | EP1831500A1 Method for casing drilling, drilling unit and adapter device |
| 09/12/2007 | CN200946518Y Assembled gasket for preventing loose and reducing friction for anchor rod |
| 09/07/2007 | WO2007098538A1 Apparatus and method for securing resin set bolts when performing rock bolting |
| 09/07/2007 | CA2644054A1 Apparatus and method for securing resin set bolts when performing rock bolting |
| 09/06/2007 | DE102007008966A1 Injection head for injection drilling anchors, has sink head, inclusive of outer part having two different supply connections, and inner part with rear connection for drilling drive and front connection for anchoring ring |
| 09/05/2007 | CN200943445Y Universal drill with angle adjusting and indication |
| 09/05/2007 | CN200943205Y Anchor bar assembly for earth anchor bar construction |
| 08/30/2007 | WO2007096651A1 Injection bolt with a fixed static mixer |
| 08/30/2007 | WO2007095690A1 Stabilising bolt adaptor, grouting injection nut, combined grouting injection nut and stabilising bolt and method for using them |
| 08/30/2007 | CA2640329A1 Injection bolt with a fixed static mixer |
| 08/29/2007 | CN200940439Y Gantry self walking anchor rod drilling machine |
| 08/29/2007 | CN101025086A Explosion coal-falling, coal-loading, coal-conveying and anchor-rod supporting mechanism integration operation method and apparatus |
| 08/29/2007 | CN101025085A Method for coal mine downhole reproduction and back production |
| 08/28/2007 | US7261494 Truss shoe |
| 08/22/2007 | CN2937481Y Small drill anchor setting integral machine |
| 08/22/2007 | CN101021157A Omnibearing high-pressure injection slip casting construction method with orifice grout stop |
| 08/15/2007 | CN2934576Y Anchoring net for anchoring and supporting |
| 08/15/2007 | CN2934356Y Spiral type mortar pump extrusion perfusion gun |
| 08/15/2007 | CN2934355Y Spiral type mortar pump |
| 08/09/2007 | US20070183850 Cable bolt |
| 08/02/2007 | US20070177949 Adapter member of a rock anchor |
| 08/02/2007 | DE102006006757A1 Membrane cartridge for adhesive especially for geo anchors has a sprung design to contract following diffusion losses in storage |
| 08/02/2007 | DE102006000042A1 Adapterteil eines selbstbohrenden Gebirgsankers Adapter part of a self-drilling rock bolt |
| 08/01/2007 | CN2929190Y Hydraulic anchor rod machine |
| 08/01/2007 | CN2929189Y Resin chemical roll mounting device |
| 08/01/2007 | CN1329617C Rotational cutting aiguille subassembly of the drill, flexible sleeve airproof parts and steel drill pipe subassembly |
| 07/31/2007 | CA2576116A1 Rock bolt with grout flow geometry |
| 07/25/2007 | CN1328476C Anchor rod drilling device |
| 07/19/2007 | DE102006006748A1 In-liner hollow rod compound anchor for installation in mountains, tunnels and rock constructions has no boring dust suction channel or inner adhesive magazine tube |
| 07/18/2007 | EP1623092B1 Device for rock bolting and for automized rock bolting and rock bolting |
| 07/18/2007 | CN2924014Y Composite anchor-rod tray |
| 07/17/2007 | US7243753 Carrier vehicle for drilling or rockbolting machine |
| 07/11/2007 | EP1805395A1 Method for embedding rock anchors |
| 07/11/2007 | CN2921106Y Hydraulic pipe-jacking perforating equipment |
| 07/04/2007 | CN2918825Y Hydraulic anchor bar drilling machine composite hydraulic control valve |
| 07/04/2007 | CN2918705Y Tunnelling machine carried anchor bar driller device |
| 07/03/2007 | CA2286831C Feeding device for feeding a wire in a rock bolting equipment |
| 07/03/2007 | CA2218674C A hydraulic arrangement for turning the actuator of a rock drilling machine |
| 06/28/2007 | US20070144781 Instrumented drill head, related drilling/bolting machines, and methods |
| 06/27/2007 | CN2916136Y Mixing head for use in anchor pile steel strand |
| 06/27/2007 | CN2916094Y Slide-lifting type universal drilling machine |
| 06/27/2007 | CN2916091Y Rotary-working type vehicle-mounted jumbolter device of tunneling machine |
| 06/27/2007 | CN1987048A Dust collector for anchor rod machine |
| 06/21/2007 | WO2006133464A3 Rock bolt and rock bolt shank |
| 06/21/2007 | WO2006091724A3 Resin groutable expansion anchor |
| 06/21/2007 | US20070141297 Plug member |
| 06/21/2007 | DE102006057179A1 Korrosionsschutz für Anker im Gebirge Corrosion protection for anchor in the mountains |
| 06/20/2007 | EP1629178A4 Rockbolt |
| 06/20/2007 | CN2913609Y Anchor bar coagulant whisk connector |
| 06/20/2007 | CN1982651A Method for mining ultra-long roofbolt slip casting with top plate large-area and long-time exposed under mining well |
| 06/14/2007 | WO2005007993A3 Systems and methods for the installation of earth anchors |
| 06/13/2007 | EP1794462A1 Affixing an anchor in a drilled hole |
| 06/13/2007 | CN2911185Y Steel strips for anchoring support |
| 06/06/2007 | DE102004023668B4 Befestigungselement, insbesondere für den Einsatz im Berg- und/oder Tunnelbau Fastener, especially for use in mining and / or tunneling |
| 06/05/2007 | US7226247 Method and apparatus for creating soil or rock subsurface support |
| 06/05/2007 | CA2424787C Anchor |
| 05/31/2007 | WO2007059580A1 Self drilling rock bolt |
| 05/31/2007 | US20070122238 Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt |
| 05/30/2007 | CN2906021Y Small-sized machine-carried jumbolter |
| 05/30/2007 | CN2906020Y Drilling-anchoring integrated guide rail type jumbolter |
| 05/30/2007 | CN2906019Y Guide rail type jumbolter |
| 05/24/2007 | DE102005000158A1 Boring and anchor setting equipment for mountain, tunnel or underground engineering comprises squeezing out device, which is integrated into chamber provided in housing of boring and anchor setting equipment |
| 05/23/2007 | CN2903379Y Steel band for coal mine tunnel supporting protecting |
| 05/23/2007 | CN2903334Y Special drill bit for anchoring tech. |
| 05/23/2007 | CN2902483Y Injection type rib planting glue barrel capable of repeatedly use |
| 05/22/2007 | CA2407330C Drilling apparatus and method for single pass bolting |
| 05/18/2007 | WO2007053893A1 Self drilling rock bolt |
| 05/18/2007 | CA2624690A1 Self drilling rock bolt |
| 05/17/2007 | US20070110524 Pin having a tapered cap |
| 05/16/2007 | CN2900793Y Tunnelling and anchoring integrated tunnelling machine |
| 05/16/2007 | CN2900755Y Drill bit suitable for anchor rod and anchor cable |
| 05/16/2007 | CN1963150A Reinforced-sealing pressure-stabilizing consolidation release-controlled superimposed stress weak rock coal supporting technology |
| 05/09/2007 | CN2898311Y Anchor installation equipment |
| 05/08/2007 | CA2289642C Apparatus for bending and cutting cable in rock bolting equipment |
| 05/03/2007 | DE102005052220A1 Method for fixing of roof bolt in borehole, involves sticking of anchor in borehole whereby epoxy resin is used as adhesive material can be hardened |
| 05/02/2007 | CN2895691Y Multiplicative propelling structure of anchoring-rod drilling machine |
| 04/26/2007 | DE102005000142A1 Auspressvorrichtung Squeezing |
| 04/25/2007 | CN2893121Y Geologic drilling machine disposable bit |
| 04/18/2007 | EP1774139A1 Arrangement for injecting and affixing a reinforcing or anchoring element in a rock wall |
| 04/18/2007 | CN1948714A Method of construction supporting protection for mine under ground tunnel surrounding rock broken |
| 04/18/2007 | CN1948696A Airborne anchor rod drilling machine |
| 04/12/2007 | US20070081864 Rockbolts made of steel pipes |