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Class Information
Number: 299/1.1
Name: Mining or in situ disintegration of hard material > Automatic control; signaling or indicating > Ore/rock interface determination during cutting
Description: Process or apparatus where cutting means are adjusted to remove a mineral in response to the detection of a point where the mineral ends and the nonvaluable material begins.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7177709 |
Controller for underground mining |
Feb. 13, 2007 |
| 6857706 |
Mining method for steeply dipping ore bodies |
Feb. 22, 2005 |
| 6666521 |
System for controlling cutting horizons for continuous type mining machines |
Dec. 23, 2003 |
| 6435619 |
Method for sensing coal-rock interface |
Aug. 20, 2002 |
| 6361119 |
Mining control system for adjusting the advance of mining tools |
Mar. 26, 2002 |
| 6132005 |
Detecting seam boundary using pick sound |
Oct. 17, 2000 |
| 5863101 |
Auger mining machine and mine launch device |
Jan. 26, 1999 |
| 5553925 |
Apparatus for automatically adjusting the cutting horizon of a mining extraction apparatus |
Sep. 10, 1996 |
| 5496093 |
Operating a continuous miner |
Mar. 5, 1996 |
| 5334838 |
Radiation sensor |
Aug. 2, 1994 |
| 5310248 |
Automatic vein identifying method and follower apparatus for use in a robot mining system |
May. 10, 1994 |
| 5193883 |
Process for controlling longwall shearing and heading machines along a cutting horizon between coal and rock |
Mar. 16, 1993 |
| 5158341 |
Method of steering a mining machine |
Oct. 27, 1992 |
| 5092657 |
Stratum boundary sensor for continuous excavators |
Mar. 3, 1992 |
| 4992657 |
Apparatus for detecting the cutting horizon for mining machines |
Feb. 12, 1991 |
| 4981327 |
Method and apparatus for sensing coal-rock interface |
Jan. 1, 1991 |
| 4976495 |
Method and apparatus for steering a mining machine cutter |
Dec. 11, 1990 |
| 4968098 |
Coal seam discontinuity sensor and method for coal mining apparatus |
Nov. 6, 1990 |
| 4952000 |
Method and apparatus for increasing the efficiency of highwall mining |
Aug. 28, 1990 |
| 4753484 |
Method for remote control of a coal shearer |
Jun. 28, 1988 |
| 4459478 |
Probe equipment for use in underground mining |
Jul. 10, 1984 |
| 4428618 |
Mining machine control signal processing system |
Jan. 31, 1984 |
| 4297699 |
Radar drill guidance system |
Oct. 27, 1981 |
| 4262964 |
System for detecting interfaces between mineral seams and the surrounding earth formations |
Apr. 21, 1981 |
| 4200335 |
Gauging apparatus and method, particularly for controlling mining by a mining machine |
Apr. 29, 1980 |
| 4192550 |
Reflected light determination of geological strata |
Mar. 11, 1980 |
| 4165460 |
Coal-rock interface detector |
Aug. 21, 1979 |
| 4155594 |
Method of and apparatus for steering a mining machine |
May. 22, 1979 |
| 4143552 |
Coal seam sensor |
Mar. 13, 1979 |
| 4120534 |
Apparatus for controlling the steering mechanism of a mining machine |
Oct. 17, 1978 |
| 4115688 |
Mining and drilling control of distance to the coal-shale interface - thorium measurement by gamma spectrometry |
Sep. 19, 1978 |
| 4072349 |
Steering of mining machines |
Feb. 7, 1978 |
| 4008921 |
Automatic excavating machine and method of operating the same |
Feb. 22, 1977 |
| 3984147 |
Mining machines with extensible probe arm |
Oct. 5, 1976 |
| 3961307 |
Exploration of the boundaries of an underground coal seam |
Jun. 1, 1976 |
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