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Class Information
Number: 299/1.7
Name: Mining or in situ disintegration of hard material > Automatic control; signaling or indicating > Of hard material disintegrating machines > Sidewall working (e.g., longwall-type) > Of advancing material handling means or roof support
Description: Process or apparatus where a conveying means or an upper wall supporting means are moved with the cutter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7549709 |
Mining device |
Jun. 23, 2009 |
| 7494190 |
Coal face support in a mine |
Feb. 24, 2009 |
| 7478884 |
Hydraulic switching mechanism for longwall supports |
Jan. 20, 2009 |
| 7455367 |
Longwall support control for controlling the movements of longwall support units in the longwall of a mine |
Nov. 25, 2008 |
| 7455368 |
Control mechanism for the extension units in the longwall face of a mine |
Nov. 25, 2008 |
| 7416369 |
Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mine |
Aug. 26, 2008 |
| 7076346 |
Automated continuous haulage system |
Jul. 11, 2006 |
| 6857705 |
Mining machine and method |
Feb. 22, 2005 |
| 6361119 |
Mining control system for adjusting the advance of mining tools |
Mar. 26, 2002 |
| 5362133 |
Method of mining coal seams at a defined preset depth of cutting during ploughing with a cutter |
Nov. 8, 1994 |
| 5275469 |
Method of working coal seams to a defined preset depth of cutting during ploughing with a cutter |
Jan. 4, 1994 |
| 5234256 |
Cutting apparatus for mining operations with automatic control |
Aug. 10, 1993 |
| 5181934 |
Method for automatically adjusting the cutting drum position of a resource cutting machine |
Jan. 26, 1993 |
| 5137336 |
Process for the automated winning of mineral, such as coal, in a longwall working |
Aug. 11, 1992 |
| 5029943 |
Apparatus for transmitting data |
Jul. 9, 1991 |
| 4964675 |
Method of electro-hydraulic control of longwall mine units |
Oct. 23, 1990 |
| 4900091 |
Electrohydraulic coal-mining system |
Feb. 13, 1990 |
| 4887935 |
Method of controlling the movement of a longwall excavation front, especially the face or breast of a coal seam |
Dec. 19, 1989 |
| 4798417 |
Method of separating the upper coal in seams |
Jan. 17, 1989 |
| 4708394 |
Methods of controlling the operation of mineral mining installations |
Nov. 24, 1987 |
| 4453846 |
Mine equipment |
Jun. 12, 1984 |
| 4330154 |
Mining apparatus |
May. 18, 1982 |
| 4146271 |
Control of self-advancing mine roof supports |
Mar. 27, 1979 |
| 4099781 |
Apparatus for automatically shifting the conveyor at the pit face in the coal mine |
Jul. 11, 1978 |
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