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Class Information
Number: 299/1.05
Name: Mining or in situ disintegration of hard material > Automatic control; signaling or indicating
Description: Process or apparatus comprising (1) sensing a condition which may or may not occur and initiating, modifying, or terminating the operation of a power operated means or (2) providing a visual or audible manifestation or representation of the operation of a device for the benefit of an observer.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7431401 |
Slide shoe for mining winning machine |
Oct. 7, 2008 |
| 7416258 |
Methods of using a laser to spall and drill holes in rocks |
Aug. 26, 2008 |
| 7014271 |
Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine |
Mar. 21, 2006 |
| 6945738 |
Method and apparatus for safety protection of temporary roof support |
Sep. 20, 2005 |
| 6761415 |
Trailer for a tunnel borer follower train |
Jul. 13, 2004 |
| 6666521 |
System for controlling cutting horizons for continuous type mining machines |
Dec. 23, 2003 |
| 6616244 |
Method and arrangement for determining position of unmanned mining vehicles |
Sep. 9, 2003 |
| 6509842 |
Control system for a longwall support |
Jan. 21, 2003 |
| 6460936 |
Borehole mining tool |
Oct. 8, 2002 |
| 6435619 |
Method for sensing coal-rock interface |
Aug. 20, 2002 |
| 6296317 |
Vision-based motion sensor for mining machine control |
Oct. 2, 2001 |
| 6203111 |
Miner guidance using laser and image analysis |
Mar. 20, 2001 |
| 6132005 |
Detecting seam boundary using pick sound |
Oct. 17, 2000 |
| 6094986 |
Acoustic navigation aid for autonomous coal miner |
Aug. 1, 2000 |
| 5999865 |
Autonomous vehicle guidance system |
Dec. 7, 1999 |
| 5881832 |
Method of controlling interlinked vehicles in mining and tunnelling as well as arrangement for carrying out this method |
Mar. 16, 1999 |
| 5363095 |
Downhole telemetry system |
Nov. 8, 1994 |
| 5330292 |
System and method for transmitting and calculating data in shield machine |
Jul. 19, 1994 |
| 5312163 |
System for aiding operation of excavating type underground advancing machine |
May. 17, 1994 |
| 5293944 |
Method of automatically controlling impact ripper |
Mar. 15, 1994 |
| 5237384 |
Laser positioner and marking method using the same |
Aug. 17, 1993 |
| 5185935 |
Method and apparatus for separation measurement and alignment system |
Feb. 16, 1993 |
| 5106162 |
Method of steering a mining machine |
Apr. 21, 1992 |
| 5090775 |
Method of monitoring and controlling mining operations |
Feb. 25, 1992 |
| 4884847 |
Apparatus and method for mapping entry conditions in remote mining systems |
Dec. 5, 1989 |
| 4870697 |
Two-way communication system for winning machines in underground mining |
Sep. 26, 1989 |
| 4754142 |
Gas detector and mining machine |
Jun. 28, 1988 |
| 4733915 |
Device for supplying fluid at tools for breaking solid material |
Mar. 29, 1988 |
| 4722574 |
Personnel detection and protection systems for use in underground mines |
Feb. 2, 1988 |
| 4721339 |
Rock crushing device and a method thereof |
Jan. 26, 1988 |
| 4708395 |
Remotely sensing of excavation cavity during mining |
Nov. 24, 1987 |
| 4649288 |
Pre-start warning system and machine incorporating such system |
Mar. 10, 1987 |
| 4581712 |
Roof pressure monitoring system |
Apr. 8, 1986 |
| 4537447 |
Device for cooling the bits of cutting machine |
Aug. 27, 1985 |
| 4506932 |
Device for cooling the bits of a cutting machine |
Mar. 26, 1985 |
| 4495804 |
Method of and apparatus for mining analysis |
Jan. 29, 1985 |
| 4463986 |
Illumination device and method of use in tunnel alignment |
Aug. 7, 1984 |
| 4415204 |
Emergency system for mines |
Nov. 15, 1983 |
| 4406354 |
Brake equipment for underground mining machines |
Sep. 27, 1983 |
| 4368918 |
Process and apparatus for controlling the water supply to the cutting head of a cutting machine |
Jan. 18, 1983 |
| 4345839 |
Device for controlling the position of a drift advancing machine |
Aug. 24, 1982 |
| 4330153 |
Identification of fluid flow under in-situ mining conditions |
May. 18, 1982 |
| 4270800 |
Pre-start warning device for a machine |
Jun. 2, 1981 |
| 4261617 |
Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method |
Apr. 14, 1981 |
| 4200036 |
Ventilation system for automated mining machines |
Apr. 29, 1980 |
| 4196798 |
Brake equipment for mining machines |
Apr. 8, 1980 |
| 4160566 |
Mining apparatus |
Jul. 10, 1979 |
| 4156971 |
Contour measurement system |
Jun. 5, 1979 |
| 4097854 |
Sensing mechanism for mine roof bolting apparatus |
Jun. 27, 1978 |
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