Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
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05/06/1987 | CN85105087A Normally open safety gate for catching run-away trolley in inclined shaft |
04/28/1987 | CA1221122A1 Vehicle oscillation lock |
04/16/1987 | DE3535846A1 Device for the gradual positional change of machine units hanging on an I-shaped rail |
04/16/1987 | DE3534306A1 Method and arrangement for the strip winning of coal |
04/07/1987 | US4655916 Mining-type slurries |
03/19/1987 | DE3532317A1 Intermediate material store in underground workings |
03/19/1987 | DE3529673A1 Apparatus in underground working for handling material units |
02/19/1987 | DE3528509A1 Drive underframe for supporting the drive head of a face conveyor in the roadway |
02/12/1987 | DE3527209A1 Apparatus for transporting structural parts in underground operations |
01/29/1987 | DE3525501A1 T-shaped chain conveyor for use in underground shortwall operations |
01/29/1987 | DE3525290A1 Inspection apparatus for underground winning operations |
01/28/1987 | CN86105679A Lifting sling of a set of rollers of a beit conveyor |
01/14/1987 | CN86201494U Automatic safe uncoupling device for bogie truck |
01/08/1987 | DE3522745A1 Face/gate transfer |
10/15/1986 | CN86100737A Trackless, center-pivot-steered underground vehicle driven by an electric motor |
08/12/1986 | US4605119 Drive arrangement for the loading arms of a loading ramp for heading machines or longwall shearing machines |
08/06/1986 | EP0189955A2 Trackless articulated mine vehicle with an electric motor drive |
07/02/1986 | CN85105736A Switching machine for tunnel turnout lines |
07/02/1986 | CN85105394A Tunnel clamshell transport machine |
06/10/1986 | CN85105945A Hoe scoop rock loader for transportation |
05/13/1986 | US4588071 Chain conveyor with diverging interleaved scrapers |
05/06/1986 | US4586753 Transfer station from a longwall chain conveyor to a drift chain conveyor |
04/16/1986 | CN85202533U Control system for the brake of bottom-loading conveyer |
04/09/1986 | EP0131589B1 Crushing plant and operation method thereof |
03/18/1986 | US4576107 Apparatus for detecting the level of particulate solids in a shuttle car |
12/03/1985 | US4556117 Free floating operator compartment |
10/15/1985 | US4546849 Machine operators compartment |
10/15/1985 | CA1195292A1 Material handling system |
10/09/1985 | EP0157286A1 Conveyor belt system for a continuous mining machine |
08/27/1985 | US4537554 Mineral storage bin apparatus for holding newly mined material |
08/15/1985 | WO1985003546A1 Self contained towable power supply for mining machines |
07/23/1985 | CA1190846A1 Method of, and apparatus for, breaking up carbon blocks |
07/09/1985 | US4527486 Vehicle with selectively useable wheel sets |
07/09/1985 | CA1190217A1 High pressure vortex slurry mixer and mass tranverse system |
05/21/1985 | US4518306 Device in a bucket-provided loading machine particularly a so-called wheel loader |
04/02/1985 | US4508388 Hoist control valve interlock system for trolley-assisted dump trucks |
01/29/1985 | USRE31818 Feeder crusher |
01/23/1985 | EP0131589A1 Crushing plant and operation method thereof. |
12/27/1984 | EP0129525A1 Hoisting installation in mining |
12/05/1984 | EP0127146A2 Trackless mine vehicle |
10/02/1984 | US4474287 Variable length conveyor assembly |
08/14/1984 | US4465407 Fixing bridge |
08/14/1984 | US4465293 Vehicle oscillation lock |
08/02/1984 | WO1984002952A1 Crushing plant and operation method thereof |
07/03/1984 | US4457212 Hydraulic ram |
05/29/1984 | US4451089 Coal-mining machine |
05/22/1984 | US4449862 Vortex injection method and apparatus |
05/22/1984 | US4449859 Mineral mining installation |
05/08/1984 | CA1166936A1 Hydraulic ram |
04/25/1984 | EP0105958A1 Device for winding and unwinding ropes, especially circulating traction ropes of rope-driven means of transportation, preferably in underground mines |
04/18/1984 | EP0105305A1 Mineral breaker-feed apparatus |
12/06/1983 | US4418872 Feeder/crusher machine |
11/15/1983 | US4415207 Underspoil slurry haulage |
11/15/1983 | US4415051 Multiple personnel transporter vehicle for low vein mines |
10/13/1983 | WO1983003444A1 Mineral breaker-feed apparatus |
09/13/1983 | US4403808 Hauling and shaving plant |
09/06/1983 | US4402634 Mineral mining installation |
06/21/1983 | US4389072 Longwall mineral mining installation |
06/09/1983 | WO1983001973A1 A device in a bucket-provided loading machine particularly a so-called wheel loader |
05/31/1983 | CA1147282A1 Conveying trough for chain scraper conveyors |
04/26/1983 | CA1145367A1 Underspoil slurry haulage |
04/19/1983 | US4380288 Conveyor |
04/05/1983 | CA1144103A1 Method and apparatus for underground working of ore deposits |
02/15/1983 | US4373757 Conveyor trough for a scraper conveyor for use with a mining machine |
01/04/1983 | CA1138917A1 Injector for a material transport system |
12/28/1982 | US4365682 Suspension system for operator compartment |
12/21/1982 | US4364470 Scraper-chain conveyor |
12/14/1982 | US4363572 Injector for a material transport system |
12/14/1982 | US4363398 Scraper-chain conveyors |
12/07/1982 | CA1137124A1 Hauling and shaving plant |
11/23/1982 | US4360102 Conveying apparatus for use in mineral mining |
11/16/1982 | US4359154 Scraper-chain conveyors for mineral mining |
09/21/1982 | US4350393 Plough transmission |
09/21/1982 | US4350392 Coal extraction in a longwall working |
08/17/1982 | CA1129908A1 Shuttle car |
06/01/1982 | US4332317 Scraper chain conveyor |
05/18/1982 | US4330154 Mining apparatus |
04/13/1982 | US4324510 Apparatus for supporting a mine roof support assembly |
04/13/1982 | US4324509 Mechanized longwall system for mining |
03/16/1982 | US4319783 Conveying trough connector and mining machine guide rail bridge |
02/23/1982 | US4316682 Ore carrier |
02/03/1982 | EP0045071A1 Dumping vehicle with tracklaying gear |
01/26/1982 | US4312442 Scraper-chain conveyor |
12/09/1981 | EP0041282A2 Mine vehicle for positioning fillings |
12/01/1981 | US4303276 Conveyor chute for chain scraper conveyors |
11/03/1981 | CA1111868A1 Method of and an arrangement for longwall mining |
09/29/1981 | US4291777 Shuttle car |
09/01/1981 | US4286822 Underspoil slurry haulage |
08/12/1981 | EP0033371A1 Filter arrangement |
07/14/1981 | CA1104983A1 Feeder crusher |
05/05/1981 | US4265353 Capsule apparatus for transporting a disabled person |
04/29/1981 | EP0027789A1 Conveyor for tunnelling machines |
04/07/1981 | US4260195 Contour miner |
04/01/1981 | EP0025811A1 Material handling vehicle for use in a mine |
02/24/1981 | US4252205 Vehicle having at least two driven axles |
02/17/1981 | US4251108 Method of and an arrangement for longwall mining |
02/17/1981 | US4250975 Cab mounting for mining machine |
02/17/1981 | CA1095874A1 Turn guide apparatus |
02/10/1981 | US4249854 Low profile fork lift for mine vehicles |
02/10/1981 | CA1095562A1 Conveyor-mounted vehicle |