| Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
|---|
| 02/03/1981 | US4248482 Curved conveyor section guide assembly |
| 02/03/1981 | US4248136 Thrust device using hydraulic jacks |
| 01/27/1981 | US4247229 Mining method and apparatus |
| 01/20/1981 | CA1093938A1 No translation available |
| 01/07/1981 | EP0021233A1 Spiral chute, especially in a refuse gravitation (discharge) tube |
| 01/06/1981 | US4243126 Brake system for a vehicle and method of operation thereof |
| 12/30/1980 | US4241824 Conveyors for use in mineral mining installations |
| 12/23/1980 | US4240665 Conveyor mounted vehicle |
| 12/16/1980 | CA1091627A1 Conveyor belt shifting apparatus |
| 12/02/1980 | US4236630 Extensible telescopic coal bunker for subsurface mining |
| 11/11/1980 | US4232911 Carriage with articulated track |
| 10/14/1980 | US4228508 Automatic longwall mining system and method |
| 10/14/1980 | US4227833 Mineral mining installation |
| 10/07/1980 | US4226475 Underground mineral extraction |
| 07/15/1980 | US4212365 Articulating mine car coupling |
| 07/15/1980 | US4212250 Mine locomotive |
| 06/03/1980 | US4205882 Mineral mining conveyor with guide connecting feature |
| 06/03/1980 | US4205795 Material handling facility |
| 05/20/1980 | US4203557 Continuous-operation crushing machine |
| 05/20/1980 | CA1077973A1 Radial mining method |
| 05/13/1980 | US4202453 Articulated mine service vehicle |
| 04/22/1980 | US4199299 Material handling apparatus for use in a mine |
| 04/15/1980 | CA1075728A1 Push pull mining system |
| 04/08/1980 | CA1075024A1 Friction guided, tracked trucks or sleighs for constructions such as retaining piers |
| 03/04/1980 | CA1072906A1 Conveyor drive system |
| 01/29/1980 | US4185710 Vehicle having at least two driven axles |
| 12/04/1979 | US4176884 Anchoring apparatus for a mining installation |
| 11/27/1979 | US4175814 Crusher for solid materials transported by pressurized liquid |
| 11/13/1979 | CA1066310A1 Method of extracting coal |
| 10/30/1979 | US4172561 Mineral lump breaker |
| 10/02/1979 | US4169689 Tensioning a longwall mineral mining installation |
| 09/18/1979 | US4167998 Arrangement for tensioning a gateway conveyor in a sloping gateway |
| 07/10/1979 | US4160619 Horizontally articulated shuttle car |
| 07/10/1979 | US4160566 Mining apparatus |
| 07/03/1979 | US4159851 Drive frame and assembly for mining apparatus |
| 07/03/1979 | US4159757 Bulk material handling system |
| 06/12/1979 | US4157878 Connecting apparatus for hingedly and slidably connecting an attachment to self-propelled mine vehicle |
| 05/22/1979 | US4155595 Mining method and apparatus |
| 05/15/1979 | US4154479 Hauling system for underground workings |
| 05/01/1979 | US4151905 Operator carriage |
| 04/03/1979 | US4147459 Shifting device connected with a longwall conveyor for a progressive timbering frame |
| 03/27/1979 | US4146106 Operator's station and protective canopy for mine vehicle |
| 12/26/1978 | CA1045073A1 Wet belt conveyor |
| 11/28/1978 | US4127303 Coal mining method at a long-walled pit face of the coal mine |
| 11/14/1978 | US4125227 Breaking apparatus for use with a conveyor |
| 11/07/1978 | US4124170 Horizontal-type single toggle jaw breaker |
| 10/31/1978 | US4123110 Auxiliary device for a mining machine |
| 09/12/1978 | US4112680 Control systems and arrangements for mineral mining installations |
| 09/05/1978 | US4111296 Rock conveyors |
| 09/05/1978 | CA1037974A1 Mining method and apparatus |
| 08/01/1978 | US4104518 Shut-down apparatus for conveyor belts in underground mines |
| 07/25/1978 | US4102550 Mining method and apparatus |
| 07/11/1978 | US4099781 Apparatus for automatically shifting the conveyor at the pit face in the coal mine |
| 06/27/1978 | US4096753 Mine equipment |
| 06/13/1978 | US4094400 Conveyor for conveying fine material |
| 06/13/1978 | US4094157 Anchoring apparatus for anchoring a mining installation |
| 06/06/1978 | US4093309 Method of and apparatus for controlling advance of underground armored conveyors |
| 05/09/1978 | US4089053 Hose and linkage support apparatus for a sump vehicle |
| 04/18/1978 | US4084751 Self-propelled material storage and feeding vehicle |
| 03/21/1978 | US4079999 Method and apparatus for mining |
| 03/14/1978 | US4078629 Vertically movable operator's compartment for a self-propelled mine vehicle |
| 02/28/1978 | US4076317 Device for guying a movable cutting machine |
| 02/21/1978 | US4074804 Scraper-chain conveyors |
| 02/14/1978 | US4073445 Feeder crusher |
| 02/07/1978 | US4072351 Radial mining method |
| 01/17/1978 | US4068755 Wet belt conveyor |
| 12/06/1977 | US4061399 Mining by insertion of cutting modules into shaft for connection and actuation |
| 12/06/1977 | US4061398 Hydraulic mining apparatus and method |
| 09/20/1977 | US4048866 Apparatus for use in controlling the tension of a chain or chains of mining equipment |
| 09/06/1977 | US4046058 Control systems and arrangements for use in mineral mining installations |
| 08/23/1977 | US4043588 Shuttle car with operator protection |
| 08/23/1977 | US4043213 Drive assemblies for mining apparatus |
| 08/16/1977 | US4041785 Mechanical drive system for a remote area |
| 07/26/1977 | US4037876 Tightening arrangement for longwall mining machine cable and conveyor |
| 07/26/1977 | US4037713 Scraper-chain conveyors |
| 07/19/1977 | US4036377 Device for transporting loads, especially for belt driving stations in open pit mining |
| 06/28/1977 | US4032195 Push-pull mining system |
| 05/31/1977 | US4026603 Mining installations |
| 05/31/1977 | US4026407 Conveyors for mineral mining installations |
| 05/17/1977 | US4023862 Hydraulic mining and transportation of coal using hot oil under pressure |
| 05/10/1977 | US4022336 Apparatus for conveying bulk material |
| 02/15/1977 | US4007693 Trackless train system |
| 02/08/1977 | US4006937 Carriage especially for use in mines |
| 12/28/1976 | US3999651 Conveyors for use in mining |
| 12/21/1976 | US3998395 Low profile sump with submerged transverse roll crusher |
| 11/23/1976 | US3993354 Multi-level hydraulic mining system |
| 11/09/1976 | US3990746 Apparatus for and a method of storing and transporting lining sections in an underground tunnel driving installation |
| 08/31/1976 | USRE28945 Method and apparatus for excavating settled body of solids |
| 08/17/1976 | US3974907 Flexible mobile conveyor |
| 06/29/1976 | US3965797 Control systems and arrangements for use in mineral mining installations |
| 06/08/1976 | US3961824 Method and system for winning minerals |
| 06/08/1976 | US3961772 Control system for positioning extensible pipeline system |
| 05/18/1976 | US3957311 Scraper chain conveyor with ventilation parts |
| 05/11/1976 | US3955666 Single-chain scraper conveyor |
| 04/27/1976 | US3952525 Mine roof support |
| 04/20/1976 | US3951459 Coal mining apparatus and method |
| 04/06/1976 | US3948342 Automatic railless ground conveyor installation |
| 03/16/1976 | US3944061 Trough conveyor construction, particularly for scraper chain conveyors |
| 02/24/1976 | US3940163 Vehicle for traversing rough terrain |
| 02/24/1976 | US3939958 Variable discharge surge feeder and bolter |