| Patents for E21D 21 - Anchoring-bolts for roof, floor, or shaft-lining protection (4,377) |
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| 03/05/2015 | US20150060158 Multi-purpose machine chassis |
| 03/05/2015 | DE102013002734B4 Ankerkopf für einen Zuganker und Ankermutter für einen Ankerkopf eines Zugankers Anchor head for a tie rod and anchor nut for an anchor head of a tie rod |
| 03/03/2015 | US8967916 Mine roof support apparatus and system |
| 02/26/2015 | US20150056023 Mine roof and rib support |
| 02/18/2015 | EP2836680A2 Method for drilling holes in soil or rock material and for fixing an anchor in a borehole and apparatus therefor |
| 02/12/2015 | US20150043976 Strand, cable bolt and its installation |
| 02/11/2015 | CN204152532U 锚杆拉拔装置 Bolt drawing device |
| 02/11/2015 | CN204152521U 一种隧道用支护结构 A tunneling with supporting structure |
| 02/11/2015 | CN104343461A 适用于缓倾岩层块状岩体隧道的轻型支护方法 Apply gently dipping strata massive rock tunnel light support method |
| 02/11/2015 | CN104343460A 一种张拉式预紧力锚杆围岩支护方法 One kind tensioned bolt preload rock support method |
| 02/10/2015 | US8950511 Apparatus and method for installing ground anchoring systems |
| 02/05/2015 | WO2015013740A1 A grouted friction rock bolt |
| 02/04/2015 | CN204140109U 喷锚网支护结构 Puffanchor Supporting Structure |
| 02/04/2015 | CN204140108U 巷道底板支护锚索 Roadway floor support anchor |
| 02/04/2015 | CN204140107U 一种高锚固力可回收锚杆 A highly recyclable bolt anchoring force |
| 02/04/2015 | CN204140106U 一种控制性精细爆破注浆锚杆 A controlling fine blasting grouting anchor |
| 02/04/2015 | CN204140105U 锚杆杆体 Anchor rod |
| 02/04/2015 | CN104329106A 一种用于半煤岩巷不均匀大变形巷道围岩的锚杆垫板 A semi coal and rock roadway large deformation uneven roadway bolt plate |
| 02/04/2015 | CN104329105A 一种彩色蓄光型锚杆塑料托盘 A color STORING bolt plastic tray |
| 01/28/2015 | CN204126661U 一种膨胀型注浆锚杆 An expansion type grouting anchor |
| 01/28/2015 | CN204126660U 一种让压型锚杆托盘 A way for pressure-type bolt tray |
| 01/28/2015 | CN104314592A 一种回收式锚杆锁具 A process for recovering type bolt locks |
| 01/28/2015 | CN102733836B 软弱特厚煤层综放回采巷道支护方法 Weak special thick seam roadway caving mining method |
| 01/22/2015 | US20150023740 Ground and Rock Anchor |
| 01/21/2015 | CN204113316U 一种间隔螺旋杆体式大变形锚杆 One kind of large deformation interval style auger anchors |
| 01/21/2015 | CN104295309A 一种带钢筋骨架的聚能射孔中空注浆锚杆及其施工方法 Perforating hollow bolt grouting and construction method of a steel skeleton with |
| 01/21/2015 | CN104295308A 锚杆拉拔装置及其方法 Bolt drawing device and method |
| 01/15/2015 | WO2015003726A1 Yieldable rock anchor |
| 01/15/2015 | US20150016894 Setting tool and method for installing an anchor rod |
| 01/14/2015 | EP2823147A2 Strand, cable bolt and its installation |
| 01/14/2015 | CN204098942U 高应力巷道的测力锚杆 Dynamometer high stress roadway bolt |
| 01/07/2015 | CN204082188U 一种挤压、摩擦式吸能锚杆 An extrusion, friction energy absorber bolt |
| 01/07/2015 | CN204082187U 可回收螺纹套管式锚杆装置 Recyclable threaded sleeve type anchor device |
| 01/07/2015 | CN204082186U 一种非金属锚杆用紧锁件 Locking bolt with a non-metallic parts |
| 01/07/2015 | CN104265339A 一种挤压、摩擦式吸能锚杆 An extrusion, friction energy absorber bolt |
| 01/07/2015 | CN103016037B 一种新型预紧力显示让压锚杆弹性圆托盘及其使用方法 A new display allows the elastic preload pressure bolt circle tray and method of use |
| 01/07/2015 | CN102877854B 一种软弱围岩隧道双层模筑复合式衬砌 A sign of weakness Rock Tunnel FORMWORKING double composite lining |
| 01/07/2015 | CN102817625B 锚索装运车 Anchor lifting vehicles |
| 01/06/2015 | US8926230 Tension cable bolt |
| 01/06/2015 | CA2607850C Rock bolt |
| 01/06/2015 | CA2566986C Grip anchor for concrete |
| 12/31/2014 | CN204060750U 一种高强度锚杆螺纹连接机构 A high strength bolt threaded coupling mechanism |
| 12/31/2014 | CN204060749U 一种恒阻大变形锚杆/锚索 One kind of constant resistance large deformation anchor / anchor |
| 12/31/2014 | CN204060748U 一种锚杆灌药卷装置 One kind of anchor drench volume device |
| 12/31/2014 | CN204060747U 组装锚杆 Bolt assembly |
| 12/31/2014 | CN204060746U 一种岩石锚杆 One kind of rock bolts |
| 12/31/2014 | CN204060726U 注浆镀锌管 Galvanized pipe grouting |
| 12/30/2014 | US8920087 Adhesive package and use thereof with an anchoring element |
| 12/24/2014 | CN204041086U 一种可延伸钢绞线的锚杆 An anchor can be extended strand |
| 12/24/2014 | CN204041085U 填充式让压恒阻锚杆 Filled let pressure constant resistance bolt |
| 12/24/2014 | CN204041084U 一种组合让压锚杆 A combination Load Bolt |
| 12/24/2014 | CN204038962U 一种自动补偿式张拉千斤顶 An automatic compensation tensioning jack |
| 12/24/2014 | CN104234724A 一种用于隧道锁脚锚管精准定位并与钢架成为一体的装置 A locking pin anchor pipe tunnel and precise positioning device with integral steel |
| 12/17/2014 | CN204024684U 一种自钻式注浆可回收锚杆 A self-drilling anchor grouting recyclable |
| 12/17/2014 | CN103061806B 一种复合顶板薄煤层综采工作面沿空留巷方法 A composite roof Thin Seam Mining Face method for Gob |
| 12/17/2014 | CN102619536B 煤矿深井巷道注浆体养护方法 Grout deep mine roadway maintenance method |
| 12/10/2014 | CN204002882U 一种多功能锚杆 A multifunctional anchor |
| 12/10/2014 | CN204002881U 超前支护径向锚杆结构 Advance support radial anchor structure |
| 12/10/2014 | CN204002880U 调节压力组件 Adjust the pressure components |
| 12/10/2014 | CN204002879U 多节头自胀式锚杆 Self-expanding multi-section head bolts |
| 12/10/2014 | CN204002836U 高应力破碎软岩硐室高强让压支护结构 High stress broken soft rock chamber allows the pressure of supporting structure of high-strength |
| 12/10/2014 | CN102839981B 深部软岩巷道三维预应力钢绞线壁后充填支架支护体系 Three-dimensional deep soft rock roadway prestressing strand after backfilling bracket support system |
| 12/10/2014 | CN102678134B 迈式管棚处理风积砂质黄土隧道塌陷下沉侵限施工方法 Mai pipe shed processing Aeolian sandy loess tunnel collapse sinking invasion limited to construction methods |
| 12/10/2014 | CN102536280B 增阻让压锚杆 Increasing resistance Load Bolt |
| 12/02/2014 | US8899883 Anchor tendon with selectively deformable portions |
| 11/25/2014 | US8894329 Wedge anchor bolt |
| 11/25/2014 | US8894328 Mine roof bolt assembly |
| 11/18/2014 | US8888415 Anchor and method of installing anchor |
| 11/13/2014 | US20140334885 Anchor, especially a rock anchor |
| 11/04/2014 | US8876436 Rock bolt |
| 10/30/2014 | US20140318263 Tension meter for anchor rod with constant resistance and large deformation |
| 10/23/2014 | US20140314503 Grouting method for anchoring with polymer |
| 10/16/2014 | US20140308081 Tensionable elongated bolt disposed with a sleeve and method of use thereof |
| 10/08/2014 | EP2785975A2 Anchor, especially a rock anchor |
| 10/07/2014 | US8851802 Rock bolt |
| 10/07/2014 | US8851801 Self-centralizing soil nail and method of creating subsurface support |
| 09/18/2014 | WO2014138909A1 Anchor and method of using the same |
| 09/18/2014 | US20140270983 Anchor and anchoring system |
| 09/11/2014 | DE102013004035A1 Hydro - Modulanker Hydro - Module anchor |
| 09/02/2014 | CA2610221C Fluid recovery |
| 08/28/2014 | DE102010043765B4 Ankerbaugruppe sowie Verfahren zur Herstellung einer Ankerbaugruppe Armature assembly and methods for producing an armature assembly |
| 08/21/2014 | DE102013002734A1 Ankerkopf für einen Zuganker Anchor head for a tie rod |
| 08/14/2014 | WO2014123467A1 Rock bolt |
| 08/14/2014 | WO2014122583A1 Device system and method for dynamic testing of ground support bolts anchor bolts or rock bolts |
| 08/14/2014 | US20140227043 Apparatus and method for installing ground anchoring systems |
| 08/14/2014 | US20140227042 Constant-resistance and large deformation anchor cable and constant-resistance device |
| 08/13/2014 | CN203769818U 一种抗冲击大变形锚杆 One kind of large deformation impact anchor |
| 08/13/2014 | CN203769817U 一种矿井支护材料防腐装置 Supporting material corrosion in mine equipment |
| 08/13/2014 | CN203769816U 杆体连接装置及锚杆 Rod and bolt connection device |
| 08/13/2014 | CN103982214A 一种新型圆台型锚杆结构 A new round table type anchor structure |
| 08/13/2014 | CN103982213A 一种调节压力组件 A method of adjusting the pressure components |
| 08/13/2014 | CN103982212A 矿用六边形管式抗让吸能防冲装置 Mine hexagonal tube to allow absorption of anti-scour protection device |
| 08/13/2014 | CN103982211A 一种高强度大变形活塞式增阻锚杆 A high-strength piston by large deformation resistance Bolt |
| 08/13/2014 | CN103982208A 矿用内外翻转式抗让吸能防冲装置 Mine internal and external anti-flip-absorbing anti-red device to let |
| 08/13/2014 | CN103982206A 一种地下工程井巷让压支护系统 An underground roadway project to Pressure Support System |
| 08/13/2014 | CN103982183A 一种进路分步护顶回采破碎矿体方法 A New Approach retaining the top step crushing ore mining method |
| 08/12/2014 | US8801337 Method of using a dome headed roof bolt |
| 08/12/2014 | US8801336 Rock bolt |
| 08/06/2014 | CN203756206U 一种新型软岩巷道底臌治理结构 Soft rock roadway floor heave a new governance structure |
| 08/06/2014 | CN203756205U 一体化控压、让压锚杆 Integrated pressure control, so that the pressure bolt |