| Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
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| 06/14/1990 | WO1990006405A1 Platform vehicle for inspection of tubular shafts |
| 06/07/1990 | DE3840747A1 Buehnenfahrzeug fuer schachtroehren-inspektionsarbeiten Buehnenfahrzeug for schachtroehren-inspection work |
| 05/16/1990 | CN2057215U Microcomputerized safety monitor of winch and stop block for incline shaft |
| 04/24/1990 | US4919252 Chain conveyor for miner |
| 03/28/1990 | CN2055186U Underground ore transfer device |
| 02/15/1990 | DE3826961A1 Roadway conveyor with spill plates, guide rails and shifting device |
| 01/24/1990 | CN1039083A Gallery station for longwall conveyor drive |
| 12/27/1989 | CN2050072U Automatic control system for series vehicle hoisting slope-going mouth |
| 12/27/1989 | CN1006210B Trackless, center-pivot-steered underground vehicle driven by an electric motor |
| 12/21/1989 | DE3823863A1 Underground-working method with hydraulic conveying and installation for carrying out the method |
| 11/30/1989 | DE3817988A1 Starting method for heavy-starting machines in underground mining and tunnelling |
| 11/29/1989 | CN2048447U Automatic cart stopper used in inclined mine lane |
| 11/28/1989 | US4883322 Mining and conveying apparatus |
| 11/09/1989 | DE3914158A1 Roadway station for a conveyor drive |
| 11/02/1989 | EP0340050A1 Method and installation for the transport of solid material by means of preparing a slurry and pumping |
| 10/26/1989 | DE3808731A1 Method of removing mineral-bearing rock excavated in underground longwall mining and transport equipment for carrying out the method |
| 09/26/1989 | US4869460 Actuating device for pipe-chamber feeders of hydraulic transport equipments |
| 09/26/1989 | US4869358 Conveyor belt system for a continuous mining machine |
| 09/21/1989 | DE3808326A1 Device for advancing the conveyor in working operations |
| 09/20/1989 | CN2044590U Rubber belt conveyor with drain (liquid) pipe |
| 08/23/1989 | EP0252073B1 Actuating device for valves or similar closing appliances in pipe-chamber feeders of hydraulic transport equipments |
| 08/08/1989 | US4854805 Apparatus for transporting loads |
| 07/06/1989 | DE3744028A1 Device for anchoring the drive or return station of conveyor belt installations, in particular in underground mining operations |
| 06/28/1989 | CN2040144U Model 40 t scraper type tram-scrapping device |
| 05/24/1989 | EP0316931A2 Machine for constructing shafts |
| 05/18/1989 | DE3816990C1 Use of a coiled endless pipe for use down the mine |
| 05/03/1989 | EP0313774A1 Dual storing and transporting unit for two separated components of a two-component mixture |
| 04/26/1989 | CN2036573U Transporting device for coal tunnel |
| 04/06/1989 | DE3731740A1 Arrangement for preparing faces |
| 04/05/1989 | CN1003801B Normally open safety gate for catching runaway trolley in inclined shaft |
| 03/30/1989 | DE3730306A1 Arrangement for the flexible connection of the pans of a face conveyor which are equipped with a side spill plate and a rack bar |
| 03/28/1989 | US4815363 Life protector enclosure for mines |
| 03/22/1989 | EP0307543A1 Device for moving an object along a gallery, particularly for mining |
| 03/08/1989 | EP0305415A1 Mobile pump installation. |
| 03/08/1989 | CN2033807U Movable drag conveyor for cast stone with supporting rollers |
| 03/08/1989 | CN1031510A Belt capturing device |
| 03/01/1989 | CN2033392U Windingable rubber belt conveyer |
| 03/01/1989 | CN2033390U Vibration synchro driving explosive miner cutter |
| 02/23/1989 | DE3727272A1 Continuous conveyor, in particular chain scraper conveyor, which can be moved in its longitudinal direction |
| 02/15/1989 | CN1003297B Lifting sling of set of rollers of a beit conveyor |
| 01/24/1989 | US4799850 Material handling vehicle for use in a mine |
| 01/19/1989 | DE3722625A1 Shifting apparatus for roadway conveyors |
| 01/17/1989 | US4798279 Mine haulage method and apparatus |
| 01/12/1989 | DE3719431A1 Chair lift system |
| 12/29/1988 | DE3720515A1 Crusher conveyor having pre-separation of fines and shifting device |
| 12/29/1988 | DE3720514A1 Crusher conveyor having pre-separation of fines |
| 12/13/1988 | CA1246698A1 Trackless, center-pivot-steered underground vehicle driven by an electric motor |
| 12/08/1988 | DE3816621A1 Apparatus for the local assembly of bulky machine parts, in particular support shields in mines |
| 11/24/1988 | DE3716301A1 Device for coupling rail sections and the like, in particular guide sections of an exploiting apparatus, to the pan sections of a scraper chain conveyor |
| 11/24/1988 | DE3715782A1 Bracing apparatus |
| 11/24/1988 | DE3715781A1 Bracing apparatus |
| 11/09/1988 | EP0290022A1 Automated underground haulage truck |
| 10/26/1988 | CN87212109U Muti-function walking type loader |
| 10/13/1988 | DE3723641C1 Bracing apparatus for roadway and face conveyors |
| 10/05/1988 | CN87215664U Easy-to-open sealed chute |
| 09/28/1988 | CN87215011U Reverse car arrester with consuming energy |
| 09/27/1988 | US4773528 Material transfer unit for ground-mounted FCT |
| 09/27/1988 | US4773520 Steering apparatus for a tramming conveyor |
| 08/25/1988 | WO1988006211A1 Mobile pump installation |
| 08/03/1988 | EP0276374A1 Steering apparatus for a tramming conveyor |
| 07/20/1988 | CN87108025A Steering apparatus for tramming conveyor |
| 07/19/1988 | US4758049 Apparatus for the underground operation of a movable mining machine |
| 07/14/1988 | DE3700027A1 Hydraulic safety slide for the assembly of the pan runs of conveyors in underground mining |
| 07/12/1988 | US4756509 Mobile lifting jack |
| 07/07/1988 | DE3706025C1 Apparatus for the mix-free exchange of liquids during conveyance by means of a three-chamber pipe feeder |
| 06/29/1988 | CN85105945B Hoe scoop rock loader for transportation |
| 06/16/1988 | DE3641098A1 Crossing apparatus for roadway conveyors |
| 04/21/1988 | WO1988002711A1 Track vehicle and body thereof |
| 04/06/1988 | CN87206404U Braking device |
| 03/29/1988 | US4733770 Transfer station |
| 03/17/1988 | DE3626785A1 Withdrawal unit for support shields in underground operation |
| 03/10/1988 | DE3721867A1 Gravity conveyor belt which, without the supply of energy, conveys the coal to the surface and, in return, conveys tailings to below ground and, when a generator is coupled, additionally generates electric current |
| 03/10/1988 | DE3629542A1 Method of controlling a face-conveyor partial anchorage as well as a control system for carrying out the method |
| 03/09/1988 | CN87207189U Belt conveyer able to mate after digging |
| 03/03/1988 | DE3641544C1 Method and apparatus for withdrawing the shields from a face in coal mines |
| 02/25/1988 | DE3628040A1 Mine walling shield transport equipment - has driving chain guided in rails for transport platform |
| 02/11/1988 | DE3625974A1 Transfer device for the transition between a face and a gate |
| 02/04/1988 | DE3625673A1 Monorail conveyor with a modular lifting beam |
| 01/13/1988 | EP0252465A2 Tracked vehicle to transport heavy loads, especially for open-pit mining |
| 01/13/1988 | EP0252073A1 Actuating device for valves or similar closing appliances in pipe-chamber feeders of hydraulic transport equipments. |
| 01/13/1988 | CN87201846U Anti-explosion and air-cushiontype conveyer |
| 01/07/1988 | DE3621274A1 Belt conveyor installation for underground conveyance |
| 01/06/1988 | CN87203527U Uehicle stopping installation |
| 12/23/1987 | DE3625629A1 Transport frame for pump units |
| 12/23/1987 | DE3620375A1 Overhead rail conveyor installation crane |
| 12/10/1987 | DE3619089A1 Bundling harness for underground works articles |
| 10/13/1987 | US4700023 Trackless, center articulation underground vehicle driven by an electric motor |
| 10/13/1987 | CA1228081A1 Conveyor belt system for a continuous mining machine |
| 10/07/1987 | CN87100301A Mine haulage method and apparatus |
| 10/03/1987 | CN86204868U Wheel-blocking tram stopper |
| 10/01/1987 | DE3608937A1 Method and device for removing solid matter from shaft sumps |
| 09/10/1987 | DE3607212A1 Face/roadway transfer with fines conveyor arranged at the discharge end of the face conveyor |
| 09/08/1987 | US4692085 Material handling system |
| 08/26/1987 | CN86204871U Hoisting type track replacing machine used on narrow-gauge railway transport facilities |
| 07/16/1987 | WO1987004224A1 Actuating device for pipe-chamber feeders of hydraulic transport equipments |
| 07/14/1987 | US4679856 Mine self-advancing roof support and method of relocating a mine winning face equipped with self-advancing roof support |
| 07/09/1987 | DE3600235A1 Arrangement for transporting earth spoil |
| 07/02/1987 | WO1987003862A1 Device for transporting load units |
| 07/02/1987 | DE3546256A1 Apparatus for transporting components in underground operations |
| 05/07/1987 | DE3538674A1 Transport system, in particular for underground mining |