| Patents for E21D 5 - Lining shafts; Linings therefor (494) |
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| 12/28/2011 | CN102296959A 电动迈步式竖井模板支护装置 Moving electric Shaft template support device |
| 12/21/2011 | CN102287193A 立井凿井施工内层井壁套砌用专用吊盘 Shaft sinking inner sidewall construction with a special set of puzzle hanging plate |
| 12/21/2011 | CN102287192A 立井井筒装备安装用六层施工吊盘 Shaft equipment installation disc with six construction crane |
| 12/21/2011 | CN102287191A 大直径工程井壁后充填固井快速搅浆施工方法 After filling the large diameter borehole cementing engineering construction methods to quickly stir the slurry |
| 12/14/2011 | CN202073347U 一种地下车库 An underground garage |
| 12/07/2011 | CN202063516U Temporary twisting-changing simple car pushing device |
| 11/30/2011 | CN101818644B 矿山竖井井筒一钻成井钻井法凿井工艺 Wellbore drilled into a mine shaft sinking drilling process |
| 11/16/2011 | CN202039851U Lifting device of shaft sleeve inner wall construction assembling template |
| 11/09/2011 | CN202031601U Shaft sealing plug structure of underground water-sealed oil storage cave |
| 11/02/2011 | CN202023562U Well wall retractable device |
| 11/02/2011 | CN202023561U Side-wall spray prevention device in shaft construction |
| 11/02/2011 | CN102230380A Wedge self-locking type stepping hanging scaffold |
| 10/26/2011 | CN202017492U Vertical shaft construction concrete ash separator |
| 10/26/2011 | CN102226397A Method for reinforcing drop shaft in underground mine producing area |
| 09/21/2011 | CN201982102U 脱模剂喷涂装置 Release agent spraying device |
| 09/21/2011 | CN101498220B Vertical shaft working surface artesian flow sand layer slurry protecting rotary spraying grouting process |
| 09/14/2011 | CN201972709U Steelwork supporting device for shaft sinking utilizing permanent concrete headframe |
| 09/14/2011 | CN201972708U Umbrella-shaped ash distributor for building wall of vertical shaft |
| 08/17/2011 | CN201933510U Outlet shaft structure of underground factories in hydroelectric engineering |
| 08/11/2011 | CA2788349A1 Mine shaft liner plate system and method |
| 08/10/2011 | CN201924932U 立井井筒壁整体液压模板下刃脚 Mine Shaft wall edge feet under the overall hydraulic Templates |
| 08/10/2011 | CN101871348B Water-conducting and pressure-releasing type composite well wall of vertical shaft and construction method thereof |
| 08/10/2011 | CN101509380B Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction |
| 08/03/2011 | CN201915966U 吊盘固定器 Hanging plate holder |
| 07/27/2011 | CN201908320U High-pressure iron-notch welded cement pipe |
| 07/21/2011 | WO2011085431A1 Improved ladderway system for underground raises |
| 07/21/2011 | CA2786624A1 Improved ladderway system for underground raises |
| 07/20/2011 | CN102127984A Underground garage |
| 06/29/2011 | CN102108869A Grout stop pad construction method for kilometer vertical shaft grouting for water control |
| 06/11/2011 | CA2688311A1 Steel liners for tunnels |
| 06/08/2011 | CN201857971U Vertical shaft of ore bed of salt rocks |
| 06/08/2011 | CN101255797B Method for mounting blown sand and slip-casting of mine well wall as well as slip-casting pipe |
| 06/01/2011 | CN201851123U Sinking platform for concreting vertical shaft |
| 06/01/2011 | CN201850757U Sliding-mode trolley |
| 06/01/2011 | CN102080446A Lifting platform for shaft construction |
| 05/18/2011 | CN101660415B Technology for constructing and stopping leakage of freezing borehole |
| 04/27/2011 | CN201810318U Pressure detecting device of seriflux in injection hole |
| 04/20/2011 | CN101397909B Artificial digging repair novel construction method for collapse ultra-deep shaft |
| 04/13/2011 | CN201794594U Concrete delivery device |
| 04/13/2011 | CN201794200U Gob-side entry retaining masonry wall assembled building block |
| 04/13/2011 | CN102011592A Circumferentially compressible composite well wall and construction method thereof |
| 04/13/2011 | CN102011591A Grouting process for working surface of deep well |
| 03/30/2011 | CN101225741B Method for building whole borehole shrunkin underground gas-storing well |
| 03/23/2011 | CN201771511U Mobile hanging scaffold blanking device |
| 03/16/2011 | CN201763347U Mine well-cylinder inner wall template leading screw correction reinforcing apparatus |
| 03/16/2011 | CN201763346U Waterproof structure of coal mine shaft |
| 01/26/2011 | CN101956560A Stop-grouting plug safety separation device for subvertical ground pre-grouting engineering |
| 01/26/2011 | CN101956557A 混凝土运输系统 Concrete transport system |
| 01/12/2011 | CN201705357U Retractable square rigid cage guide |
| 01/12/2011 | CN201705356U High-drop concrete pouring device |
| 01/12/2011 | CN201705355U Composite well wall of water guide release type vertical well |
| 01/05/2011 | CN201696051U Tank-stabilizing device of bottom-dumping type lifting barrel |
| 01/05/2011 | CN201693671U Quick slurry making machine |
| 12/29/2010 | CN201687480U Vertical shaft penetrating thick soft soil layer integral butting steel protecting tube |
| 12/08/2010 | CN101906973A Composite well wall with compressible interlayer and construction method thereof |
| 12/08/2010 | CN101906972A Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
| 12/01/2010 | CN101293703B Apparatus for treating reinforced concrete structure deep well aeration waste water and prepraring method thereof |
| 11/18/2010 | DE202010010631U1 Verzugmatte Delay mat |
| 10/27/2010 | CN101871348A Water-conducting and pressure-releasing type composite well wall of vertical shaft and construction method thereof |
| 10/27/2010 | CN101196115B Construction method for high pressure underground gas storing well |
| 10/21/2010 | US20100266349 Impact Resistant Lagging, Method For Designing Impact Resistant Lagging, and Apparatus for Testing Impact Resistant Lagging |
| 10/13/2010 | CN101858218A Shaft sinking process for expansion well completion of mine vertical shaft with boring method |
| 10/13/2010 | CN101215968B Inclined shaft sliding mode structure and inclined shaft pull-crawling construction process |
| 10/06/2010 | CN201599037U 井管钢圈 Well pipe Rims |
| 10/06/2010 | CN101344004B Mounting method of deep well high pressure aeration reactor steel drum |
| 09/16/2010 | WO2010104235A1 Excavation method of underground plaza and submarine plaza using steel casing retaining wall |
| 09/16/2010 | WO2010104232A1 Shaft construction method using pipes, construction method of underground structure and tunnel construction method by the same |
| 09/08/2010 | CN201574761U Correcting and strengthening device for screw rod of inner wall formwork of mine shaft |
| 09/01/2010 | CN101818644A Well digging process of mining vertical shaft by adopting one-drilling well completion and well drilling method |
| 08/25/2010 | CN201560765U Integral pouring die plate with pouring opening |
| 08/18/2010 | EP2218830A2 Manhole repairs |
| 08/18/2010 | CN201554463U Underground laneway grouting equipment |
| 08/11/2010 | CN201546730U Vertical shaft provided with water conduits |
| 08/11/2010 | CN201546729U Novel shaft lining structure at ingate position of deep coal mine well |
| 08/04/2010 | CN201539257U Concrete wall for annular shaft |
| 08/03/2010 | US7766582 Device and method for transporting trench boxes |
| 07/28/2010 | CN201535167U 钻注型孔口控制装置 Drill-injection orifice control device |
| 07/21/2010 | CN201531271U Square well supporting steel template structure |
| 07/06/2010 | US7748937 Composite matrix fastener apparatus, system and method |
| 06/16/2010 | CN101737057A Method for constructing subway station air shaft for soft soil strata |
| 06/16/2010 | CN101737054A Novel method for drilling well |
| 06/09/2010 | CN101725356A Space enclosing structure of underground building shaft and shield machine cutting construction method thereof |
| 06/09/2010 | CN101725355A Palisade structure for underground architectural shaft and shield machine cutting construction method thereof |
| 06/09/2010 | CN101725354A Cable tunnel shaft enclosure structure and shield machine cutting construction method thereof |
| 06/09/2010 | CN101344005B Method for simultaneously mounting internal barrel and internals of deep well high pressure aeration reactor |
| 06/02/2010 | CN101215967B High pressure underground gas well shaft fixing method |
| 05/12/2010 | CN201460901U A disc stabilizer for vertical shaft hanging scaffolds |
| 05/12/2010 | CN101705823A Delayed coagulation well cementation method of high-pressure gas underground gas storage wells |
| 04/28/2010 | CN201443404U Reinforced concrete suspension-type foreshaft |
| 04/20/2010 | CA2543511C Earth boring apparatus for sinking shafts and method of excavating a shaft |
| 04/14/2010 | CN101694161A Construction process of large horsehead on unstable stratum layer |
| 04/14/2010 | CN101694160A Rapid construction process for sinking vertical shaft pit shaft with large diameter on deep surface soil layer by utilizing freezing method |
| 04/14/2010 | CN101694159A Technology for rapidly constructing air shaft under chill condition and process for sinking vertical shaft pit shaft |
| 04/07/2010 | CN101691832A Vertical shaft drilling-grouting parallel operation technology |
| 03/04/2010 | US20100054859 Hydraulic Sliding Insertion Panel and Its Using Method |
| 03/03/2010 | CN201416448Y Underground building shaft enclosing structure |
| 03/03/2010 | CN101660417A Vertical shaft hanging scaffold stabilizing device |
| 02/11/2010 | US20100034595 Friction stabilizers and roof bolt head markings |
| 02/10/2010 | CN201401175Y Sinking platform upright post for mine vertical shaft |
| 02/10/2010 | CN201400894Y Vibrating feeder for wet type concrete sprayer |