Patents
Patents for E21F 15 - Methods or devices for placing filling-up materials in underground workings (1,589)
08/2008
08/21/2008US20080196885 Shaft Plugging System
08/20/2008CN201103415Y Filling sand warehouse nozzle
08/13/2008CN201100142Y Filling device for empty mining area of mine
08/13/2008CN201100141Y Mine filling device
08/13/2008CN201100140Y Mine filling device
08/13/2008CN201100139Y A filling device for empty mining area of mine
07/2008
07/23/2008CN201090247Y Filling pipe for stope by lower direction consolidated filling mining means
07/23/2008CN201090246Y Control apparatus for stope filling liquid position
07/23/2008CN201090245Y Flexible filling bag with vessel
07/22/2008CA2281278C Method for filling voids with aggregate material
07/09/2008CN101215976A Down-hole gangue pump packing system and method
07/09/2008CN101215975A Whole tailings depth controllable homogeneous concentration method
07/01/2008US7393060 Grid of synthetic material
06/2008
06/19/2008WO2008072971A1 Modification of flow velocity of industrially produced ice
06/11/2008EP1930087A1 Method of spray application, and spray apparatus, for bentonite material
06/11/2008CN201071735Y Sand warehouse for mine packing means
06/11/2008CN101196114A Delamination mining method
06/11/2008CN100393981C Mine filling system vertical sand warehouse water spray nozzle apparatus
06/04/2008CN101191422A Mine goaf filling system
05/2008
05/28/2008CN201065838Y Screw filling pump
05/28/2008CN101187311A Coal mine self-moving type filling counterfort machine
05/07/2008CN201057058Y Mine filling device
05/07/2008CN201057057Y Sand warehouse for filling device
05/07/2008CN201057056Y Sand warehouse for mine filling device
05/07/2008CN201057055Y Sand warehouse for filling device
05/07/2008CN201057054Y Sand warehouse for filling device
04/2008
04/30/2008CN101169039A Fully mechanized top coal roof multiple segment control exploration method for deeply inclined coal seam
04/23/2008CN201050384Y Device for preparing high concentration whole tailings slurry for filling mine
04/23/2008CN101165317A Filling device and method for filling down-hole goaf by same
04/23/2008CN101165316A Tunnel gangue filling machine
04/09/2008CN101158287A Honey comb structure consolidated fill mining method
03/2008
03/26/2008CN201041053Y Quarry filling pipeline quick cleaning device
03/26/2008CN201041052Y Filling type paste preparation system for quarry
03/12/2008CN101139937A Method for repeatedly repairing and using filling borehole
03/12/2008CN101139936A Method for reservation of filling small well
03/12/2008CN101139930A High-route to lower route method for lowering top board beforehand
02/2008
02/26/2008CA2340506C Method and system for mining hydrocarbon-containing materials
02/20/2008CN201025070Y Intelligent detection sensor
02/20/2008CN201025066Y Under-well high-speed rock filling strap machine for coal mine
02/06/2008CN101117890A Method of support along spatially keeping lane
01/2008
01/16/2008CN201007221Y Large sloped stope paste similar object filling pulp blocking device
01/16/2008CN201007220Y Blocking up prevention agitated tank for stope filling
01/16/2008CN201006842Y Stope filling pipeline drainage and cleaning water stage treatment system
12/2007
12/05/2007CN100353029C Panel unloading and loading hig slicing filling mining method
11/2007
11/14/2007CN100348836C Block on through place in mine
10/2007
10/17/2007CN200961490Y Tunnel gangue filling machine
10/17/2007CN101054905A Single side reverse-folding welding and edge-wrapping reinforced steel-plastic net and supersonic net edge folding-welding machine
08/2007
08/22/2007CN101021162A Overlying strata separation layer grouting filling device and grouting filling system
08/22/2007CN101021161A Method for backfilling goaf and supporting roof
08/22/2007CN101021153A Waste filling thin coal seam tunnelling method
08/01/2007CN101008316A Phosphogypsum cementing and post-filling mining method and pulping technology thereof
08/01/2007CN101008315A Paste-like backfill technology used in coal cutting area and the paste-like thereof
06/2007
06/20/2007CN2913614Y Strengthening steel-plastic mesh for single-side back-fold welding enveloped edge and ultrasonic selvage fold welding machine
06/20/2007CN1982649A Mining method
05/2007
05/16/2007CN1963149A Mining method for replacement of banded coal under building by waste rock
04/2007
04/26/2007DE102005050417A1 Verfahren zum Renaturieren von großvolumig abgebauten Erdlagerstätten A method for renaturing large volume mined Erdlagerstätten
04/25/2007CN1952349A Mining method for replacement of pressed coal under village by waste rock
04/18/2007CN1948716A Mine worked out section filling system
04/05/2007DE10207969B4 Verfahren zur Herstellung fluidablauffreier, suspensionsstabiler Mischungen aus Anmischflüssigkeit und partikelförmigem Feststoff A process for producing fluid running free, stable suspension mixtures of mixing liquid and particulate solids
03/2007
03/28/2007CN1936271A Method for filling coal-steam-free extraction working surface goaf by coal mine waste rock
03/21/2007CN1932241A Panel unloading and loading hig slicing filling mining method
03/20/2007US7192092 Method and means for recovering hydrocarbons from oil sands by underground mining
03/13/2007CA2352926C Binder for mine tailings
02/2007
02/20/2007CA2349813C Mine backfill
01/2007
01/23/2007US7166349 Grid of synthetic material
01/04/2007WO2007000009A1 Shaft plugging system
11/2006
11/29/2006CN2841966Y Three-phase foam preparing apparatus for preventing and treating coal self-ignition
11/15/2006CN2837514Y Supporting metal net for mine
10/2006
10/31/2006US7128375 Method and means for recovering hydrocarbons from oil sands by underground mining
10/12/2006US20060228518 Grid of synthetic material
10/05/2006DE102005015524A1 Method of securing of infilled shafts involves inserting angled anchor rods through infilled shaft with expanded internal anchor
08/2006
08/23/2006CN1821547A Method for forming solidified filler by filling phosphorous gypsum in downhole goaf
07/2006
07/26/2006CN1807843A Method for filling goaf by gangue
07/19/2006CN1804374A Method for preventing and controlling impact geopressure in longwall face gate of coal mine
07/12/2006CN2795447Y Coal mine filling machine mechanical block wall
07/06/2006DE102004062744A1 Buffer system for use in rock salt or hard salt deposit locations with long-term stability against acidic influences based on magnesium deposit has brucite, dolomitic hydrated lime, rock salt, saline solution in defined proportions
06/2006
06/08/2006DE10336405B4 Verwendung eines Gitters aus synthetischem Material Using a grid of synthetic material
06/07/2006CN1782327A Method for coal mine waste rock pipeline transporting and tunnel filling and injecting slurry
06/07/2006CN1782326A Method for treating waste rock in coal mine
05/2006
05/24/2006DE102005013017A1 Floating shaft lining safety device, has tube segments inserted into shaft, and outlet connection provided at base of pipe installation, where connection includes flat contact for filling of annular space
05/03/2006CN2777199Y Means for injecting water blocking aggregate for bore-hole slip casting
04/2006
04/04/2006CA2363748C Heat added to underground cemented fill to obtain both early and long term strength increases
02/2006
02/15/2006CN2758490Y Gangue pipe line transfer and tunnel slurry filling system and device
02/15/2006CN1241865C Single plasm glue jointed filling material and using method thereof
01/2006
01/25/2006CN1238292C Cementing materials for filling, slurry and preparing and filling processes
01/12/2006DE102004031063A1 Filling underground cavities involves filling flowing material into cavity in which filler material solidifies; it involves using filler material with residual material arising during flue gas desulphuration
12/2005
12/28/2005CN1712672A Block on through place in mine
12/22/2005DE102004027198A1 Filler of magnesium scrapings for filling saline cavities in salt mines consists of scrapings and cinders from thermal magnesium metallurgy and variable parts by weight of a salt solution
12/01/2005DE202005015134U1 Hydraulically-transportable, self-leveling mine backfilling material, used for filling underground rock salt caverns, contains residue from (quasi)dry flue gas desulfurization of coal-fired power station plus binder, salt and mixing water
11/2005
11/10/2005DE202004020698U1 Buffer system for use in rock salt or hard salt deposit locations with long-term stability against acidic influences based on magnesium deposit has brucite, dolomitic hydrated lime, rock salt, saline solution in defined proportions
10/2005
10/06/2005US20050218711 Method and means for recovering hydrocarbons from oil sands by underground mining
08/2005
08/20/2005CA2497722A1 Rock face consolidation
08/16/2005US6929330 Method and system for mining hydrocarbon-containing materials
07/2005
07/21/2005DE202005007007U1 System for producing pumpable/flowable suspensions of solids, liquids and binding agents used in the construction of underground cavity packing systems comprises a mixing system, shear container, control system, and gas-treatment device
06/2005
06/29/2005CN1632289A Mine filling system vertical sand warehouse water spray nozzle apparatus
03/2005
03/30/2005EP1518840A2 Flowable self-hardening mixture comprising pozzoulanes and/or hydraulic binder and use of said mixture for filling of natural and/or artificial cavities
03/22/2005US6869147 Method and system for mining hydrocarbon-containing materials
01/2005
01/05/2005CN1183018C Transport of solid particulates
12/2004
12/30/2004US20040262980 Method and means for recovering hydrocarbons from oil sands by underground mining
12/04/2004CA2735355A1 Method and means for recovering hydrocarbons from oil sands by underground mining
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