| Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
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| 01/29/1998 | DE19613518A1 Drive shaft for chain drive of chain conveyor used in coal mining |
| 12/02/1997 | US5692807 Highwall mining apparatus |
| 11/20/1997 | DE19619659A1 Conveyor belt unit for conveying e.g. won coal |
| 10/29/1997 | CN2266043Y Automatic unhooking device for inclined shaft train hoisting |
| 10/14/1997 | US5676491 Buried pipe laying method |
| 10/02/1997 | DE19616702A1 Supply and disposal unit with multi-component resin |
| 09/09/1997 | US5664932 Pivoted lifting device |
| 08/21/1997 | DE19605713A1 Conveyor belt used during digging of tunnel |
| 07/10/1997 | DE19600512A1 Coal extraction conveyor used in underground mines |
| 06/03/1997 | US5634545 Apparatus for continuously conveying coal from a continuous mining machine to a remote floor conveyor |
| 05/27/1997 | CA2075638C Launch vehicle for continuous mining apparatus |
| 05/21/1997 | CN1150213A Highwall mining apparatus |
| 04/23/1997 | CN1148133A Anti-static and flame-retardant composite for plastic conveyer roller of coal mine and its mfg. method |
| 03/11/1997 | US5609397 Highwall mining system with driven conveyor units |
| 02/05/1997 | CN2246712Y Mine car sliding down preventing device for inclined shaft gallery in coal mine |
| 01/23/1997 | WO1997002200A1 Self-propelled moving conveyor assembly |
| 01/23/1997 | DE19526311A1 Layout for wooden rail=bound self=propelled rail car vehicle to transport dump loads |
| 01/22/1997 | EP0513338B1 Launch vehicle for continuous mining apparatus |
| 01/22/1997 | CN2245666Y Polyurethane transporting device |
| 01/22/1997 | CN2245665Y Polyurethane cage guide wheel |
| 12/18/1996 | CN2242979Y Cage-cover automatic opening-closing device for cage of vertical wheel |
| 12/18/1996 | CN2242978Y Protection device of on-the-way automatic inspection for tape machine |
| 12/11/1996 | CN2242339Y Joint apparatus for mine-car transportation |
| 12/11/1996 | CN2242338Y Safety acceptor for vertical well lifting container |
| 12/11/1996 | CN2242337Y Automatic door of underground person transportation equipment |
| 12/03/1996 | US5580135 Drive chain for long-wall mining machine |
| 11/20/1996 | CN2240610Y Automatic flexible trolley catching device for oblique shaft |
| 11/20/1996 | CN1136130A Method for automation of coal mining at declined gallery |
| 11/13/1996 | CN1135783A Highwall mining system |
| 11/06/1996 | CN2239505Y Polyurethane compound ground roller |
| 10/03/1996 | WO1996030629A1 The continuous mining, transport amd treatment system |
| 09/26/1996 | DE19511018A1 Extraction and conveying machine of coal layers in underground mine |
| 09/19/1996 | DE19509237A1 Conveyor belt transfer device for coal, ore, etc |
| 09/11/1996 | CN2235020Y Shaft driving blasting guiding rock dregs storing device |
| 09/11/1996 | CN1130931A Highwall mining system |
| 08/14/1996 | CN1128836A Continuous conveyor system |
| 07/31/1996 | CN2232078Y Carriage turn table for tunnel construction |
| 07/25/1996 | DE19502002A1 Method of conveying material through shaft to underground location |
| 07/17/1996 | CN1126697A Pivoted lifting device |
| 07/10/1996 | CN2230815Y Automatic anti-running-away mine car |
| 06/19/1996 | CN2229518Y Self-controlling braker for inclined shaft bogie |
| 06/05/1996 | CN2228639Y Bathroom pre-heater |
| 04/10/1996 | CN2224283Y Tank-supporting device for vertical well |
| 03/06/1996 | CN2221655Y Anti-skid protector for mine belt conveyor |
| 01/04/1996 | DE4422078A1 Conveyor device for mining |
| 12/14/1995 | DE4419928A1 Production method for chute sections of mining conveyor |
| 11/29/1995 | CN2213851Y Anti-skid wheel device for air controlled interlock incline tunnel |
| 11/23/1995 | DE4417072A1 Scraper flight conveyor for mining or tunnel building |
| 11/09/1995 | WO1995030067A1 A highwall mining system with mining and removal of coal (or ore) |
| 11/08/1995 | CN2212080Y Person holding device for overhead belt transport machine |
| 11/02/1995 | DE4426406C1 Transfer device for coal |
| 09/21/1995 | DE4408783A1 Eccentric vibratory transporter system for goods |
| 09/19/1995 | US5451315 Ore pass shaff water drainage means |
| 09/13/1995 | EP0519041B1 Apparatus and method for continuous mining |
| 08/09/1995 | CN2204857Y Broken belt captcher for rubber belt conveyer |
| 08/02/1995 | CN2204336Y Microcomputer control device for prevention of sliding-down in inclined well |
| 08/02/1995 | CN2204335Y Inclined-well sliding-down protection device |
| 07/12/1995 | CN1029330C Apparatus and method for continuous mining |
| 06/21/1995 | CN2201486Y Mine slope well cart escaping-proof control mechanism |
| 06/21/1995 | CN1103926A Apparatus for underground extraction |
| 06/07/1995 | CN2200052Y Mine car arrester for incline shaft |
| 06/07/1995 | CN2200051Y Connecting rod mine car arrester for vertical shaft |
| 03/02/1995 | DE4328863A1 Mining apparatus for underground mining |
| 02/28/1995 | US5393937 Vehicle control system |
| 02/10/1995 | CA2128155A1 Shuttlecar unloading device |
| 02/07/1995 | US5387073 Shuttlecar unloading device |
| 02/03/1995 | CA2128156A1 Vehicle control system |
| 01/26/1995 | WO1995002747A1 Highwall mining system |
| 01/26/1995 | WO1995002746A1 Highwall mining system |
| 12/15/1994 | DE4319512A1 Apparatus for parting and conveying mineral raw materials occurring in seams, in particular coal |
| 12/01/1994 | DE4317516A1 Trackless spoil-car system for material transport in a pipe profile section |
| 11/23/1994 | CN2183449Y Angle-iron track lifter for unattended straightening vehicle |
| 11/15/1994 | US5364171 Apparatus and method for continuous mining |
| 10/18/1994 | US5356351 Shuttlecar wheel end |
| 09/21/1994 | CN2177807Y Interlock button device of conveyer for mine |
| 09/15/1994 | WO1994020732A1 Mining pan handling device |
| 08/11/1994 | DE4303384A1 Transport system in particular for the underground transport of explosives |
| 06/29/1994 | CN2170377Y Mine car conveyer |
| 06/29/1994 | CN2170376Y Electric drum adhesive tape car pushing machine for lifting cage of cage lifting mine car in vertical shaft |
| 06/22/1994 | CN2169689Y Safety mine car |
| 06/14/1994 | US5320370 Shuttlecar equalizer |
| 06/01/1994 | CN2167190Y Device for car stop |
| 05/18/1994 | CN2165226Y Automatic car fishing device in inclined shaft |
| 05/17/1994 | CA2001469C Mill hole liner ring connector assembly |
| 05/10/1994 | CA1329399C Method and machine for constructing shafts |
| 05/05/1994 | DE4236832A1 Chute-hole-opening mechanism in underground ore mine - has top and bottom shutter plates movable independently along overlapping tracks |
| 04/20/1994 | CN2162531Y Hot-water refrigerator car for coal mine |
| 04/06/1994 | CN2160755Y Heat insulation food carrying vehicle for underground of coal mine |
| 04/05/1994 | US5299674 Conveyor system and method employing a mobile belt support structure |
| 03/29/1994 | CA1328054C Automated underground haulage truck |
| 03/24/1994 | DE4231252A1 Machine for connection of plane stock to frame of chain cutter used in coal mining - has two parallel longitudinal hook-shaped ribbed guides on side wall of frame, bolted to flange |
| 03/23/1994 | CN1084245A Unit for fastening coal planer frame on frame of scraper conveyor |
| 03/02/1994 | CN2157986Y Real-time monitoring apparatus for mine rail |
| 01/05/1994 | DE4220527A1 Suspended conveyor for underground use - uses track rails and track wheels to move gear wheels onto tooth rows of toothed rack |
| 12/08/1993 | CN2148823Y Follow-up signal transmitting apparatus for mine underground rail haulage |
| 12/07/1993 | US5267640 Transfer station assembly for scraper-chain conveyors |
| 11/16/1993 | US5261729 Apparatus for continuous mining |
| 10/20/1993 | CN2144180Y Angle adjustable multi-corner scraper conveyor |
| 10/07/1993 | DE4211387A1 Reversing device for conveyor in underground workings - consists of rail with saw toothed profile on its outer side on which a carriage with two runners can glide |
| 10/07/1993 | DE4211383A1 Expanding jack for supporting opposite faces in underground workings - comprises a central hollow plate with parallel racks on its long sides to accommodation end plates |