| Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127) |
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| 04/17/1984 | US4443038 Mineral cutter tool having water emission deflection surface |
| 04/04/1984 | EP0105047A1 Cutting drum for tunneling machines |
| 03/28/1984 | EP0103820A2 Multi-insert cutter bit |
| 03/27/1984 | US4438575 Continuous excavating apparatus |
| 03/21/1984 | EP0103561A2 Tool holder and process to make it |
| 03/21/1984 | EP0103391A2 Cutter inserts for picks, picks and pick blanks |
| 03/20/1984 | US4437708 Cutting devices for mining and tunnelling machines |
| 03/20/1984 | US4437707 Spraying nozzle arrangement |
| 03/20/1984 | CA1164019A1 Mineral cutter tools |
| 03/07/1984 | EP0102303A2 Method of affixing pick holders to a cutting wheel or a milling drum |
| 02/21/1984 | CA1162475A1 Apparatus for removing dust particles from an air stream |
| 02/14/1984 | CA1162205A1 Protector for the spray-nozzle on a mining cutting drum |
| 01/31/1984 | US4428619 Rotary cutter heads for mining machines |
| 01/25/1984 | EP0099350A1 Pick holder with spraying device |
| 01/17/1984 | CA1160648A1 Mining cutting drum and method of laying dust |
| 01/09/1984 | EP0084530A4 Televised remote control of a continuous mining machine. |
| 01/03/1984 | US4423852 Apparatus for lifting a flexible cable |
| 12/27/1983 | CA1159477A2 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery |
| 12/20/1983 | CA1159090A1 Continuous mining machine |
| 11/22/1983 | CA1157489A1 Continuous excavating apparatus |
| 11/15/1983 | US4415208 Cutter bit assembly |
| 11/15/1983 | US4415207 Underspoil slurry haulage |
| 11/01/1983 | US4412700 System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile |
| 11/01/1983 | CA1156272A1 Mobile dual auger continuous mining machine with multiple movement capabilities |
| 10/11/1983 | CA1155143A1 Process and apparatus for controlling the water supply to the cutting head of a cutting machine |
| 10/05/1983 | EP0090792A2 Driving box for a mining machine |
| 10/04/1983 | US4407545 Mine system |
| 10/04/1983 | CA1154794A1 Trench hewing tool assembly |
| 09/27/1983 | US4406354 Brake equipment for underground mining machines |
| 09/27/1983 | CA1154467A1 Mine system |
| 09/20/1983 | US4405178 Cutter bit for a mining machine |
| 09/20/1983 | CA1154040A1 Means for holding cutter bits |
| 09/07/1983 | EP0087413A1 Tool for installing scarifier teeth |
| 09/06/1983 | US4402371 Rotatable drilling head |
| 08/17/1983 | EP0086040A2 Mineral cutting tool |
| 08/03/1983 | EP0084530A1 Televised remote control of a continuous mining machine. |
| 08/02/1983 | CA1151269A1 Device for controlling the position of a dividing cutting |
| 07/26/1983 | US4395163 Mining appliance |
| 07/12/1983 | CA1149977A1 Control method for winch of mining machinery |
| 07/05/1983 | US4391471 Guides for mineral mining machines |
| 07/05/1983 | US4391470 Method of, and apparatus for, winning mineral material |
| 06/28/1983 | US4390212 Machine for mining thin seamed hard material in-situ between adjacent auger holes |
| 06/28/1983 | US4390211 Continuous miner with cutter assembly attitude adjustment |
| 06/21/1983 | US4389074 Mine tools utilizing copper-manganese nickel brazing alloys |
| 06/21/1983 | US4389072 Longwall mineral mining installation |
| 06/21/1983 | CA1148571A1 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery |
| 05/18/1983 | EP0079261A1 Method of protecting personnel working in a dusty atmosphere |
| 05/18/1983 | EP0079260A1 Device for extracting dust |
| 05/10/1983 | CA1146181A1 Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine |
| 05/04/1983 | EP0078041A2 Cutter chain for a stone cutting machine |
| 05/03/1983 | CA1145779A1 Excavating machine |
| 04/26/1983 | CA1145367A1 Underspoil slurry haulage |
| 04/19/1983 | US4380354 Mining machine loading bin mounted on boom structure and method |
| 04/19/1983 | US4380353 Dust control system and method of operation |
| 04/12/1983 | US4379660 Method of and apparatus for applying mat to the roof of a mine working |
| 04/05/1983 | CA1144193A1 Tool mounting |
| 04/05/1983 | CA1144192A1 Conveying trough |
| 03/29/1983 | CA1143649A1 Dust control system |
| 03/17/1983 | WO1983000826A1 Tool for installing scarifier teeth |
| 03/15/1983 | US4376553 Floor cutter bit |
| 03/08/1983 | CA1142557A1 Holder for the attachment of cutters to mining and tunnelling machines |
| 02/17/1983 | WO1983000525A1 Televised remote control of a continuous mining machine |
| 02/15/1983 | US4373757 Conveyor trough for a scraper conveyor for use with a mining machine |
| 02/15/1983 | CA1141401A1 Cutter picks |
| 02/08/1983 | US4372618 Self-advancing mineral mining installation including tilting machine support |
| 02/01/1983 | US4371209 Mining machine steering equipment |
| 02/01/1983 | US4370856 Control method for winch of mining machinery |
| 02/01/1983 | CA1140598A1 Coal-gathering assembly for a continuous miner |
| 01/18/1983 | US4368925 Cutter drum assembly for a longwall mining machine |
| 01/18/1983 | US4368919 Holder assemblies for sensitized cutter tools on mining machines |
| 01/18/1983 | US4368918 Process and apparatus for controlling the water supply to the cutting head of a cutting machine |
| 01/11/1983 | US4367900 Mineral mining installation with electronic control |
| 01/11/1983 | US4367899 Holder assemblies for sensitized cutter tools on mining machines |
| 01/04/1983 | US4366990 Mechanism for guiding a coal planer on the trough of a scraper chain conveyor |
| 01/04/1983 | US4366989 Coal planer control device |
| 12/21/1982 | CA1137803A1 Excavation and road maintenance bits and blocks |
| 12/15/1982 | EP0067145A1 Cooling device for the tools of a continuous mining machine |
| 12/15/1982 | EP0067144A1 Cooling device for the tools of a continuous mining machine |
| 12/14/1982 | US4363519 Continuous mining machine |
| 12/08/1982 | EP0066418A2 Sound operated start circuit |
| 12/07/1982 | US4362540 Apparatus for removing dust particles from an air stream |
| 12/07/1982 | CA1137125A1 Coal planer control device |
| 11/09/1982 | US4358161 Mining equipment |
| 11/09/1982 | US4358160 Air diversion and dust control system for longwall shearers |
| 11/09/1982 | US4358159 Apparatus for supporting the roof of an underground mine working |
| 09/28/1982 | US4351567 Cowl-like scrubber for a long-wall shearer |
| 09/28/1982 | US4351565 Roof sensing control of shearer in longwall mining |
| 09/28/1982 | US4351564 Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine |
| 09/22/1982 | EP0060827A1 Cooling means for the cutter of a coal cutting machine |
| 09/21/1982 | US4350392 Coal extraction in a longwall working |
| 09/14/1982 | US4349232 Trench hewing tool assembly with cutter guard attachment |
| 09/07/1982 | US4348057 Blower and dust collecting machine and method of operation |
| 08/31/1982 | US4346934 Excavating bit |
| 08/31/1982 | CA1130827A1 Means for removably affixing a cutter bit mounting lug to a base member on the driven element of a mining machine or the like |
| 08/24/1982 | US4345839 Device for controlling the position of a drift advancing machine |
| 08/10/1982 | US4343516 Cutter bit assembly |
| 08/03/1982 | US4342486 Cutter bit holder |
| 07/27/1982 | US4341424 Mobile dual auger continuous mining machine with multiple movement capabilities |
| 07/20/1982 | CA1128077A1 Methods and apparatus for removing moisture from air |
| 07/13/1982 | US4339216 Equipment for laying a layer of elongate material adjacent to an exposed rock or mineral surface in an underground mine |