| |
 |
|
Class Information
Number: 299/10
Name: Mining or in situ disintegration of hard material > Processes
Description: Processes.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7445045 |
Method of optimizing production of gas from vertical wells in coal seams |
Nov. 4, 2008 |
| 7192093 |
Excavation apparatus and method |
Mar. 20, 2007 |
| 7153541 |
Method for inhibiting oxidation of metal sulfide-containing material |
Dec. 26, 2006 |
| 7073868 |
Optimized kinetic energy machine for excavating underwater rock |
Jul. 11, 2006 |
| 7032978 |
Crushing method using large boreholes in underwater rock |
Apr. 25, 2006 |
| 6916071 |
Mining system |
Jul. 12, 2005 |
| 6796616 |
Mining system |
Sep. 28, 2004 |
| 6764139 |
System for and method of demolition |
Jul. 20, 2004 |
| 6672673 |
Ore pass inspection system |
Jan. 6, 2004 |
| 6607248 |
Low elevation coal processing plant |
Aug. 19, 2003 |
| 6547336 |
Open cast mining device and apparatus for testing the cutting minability of critical material |
Apr. 15, 2003 |
| 6474745 |
Method of mining |
Nov. 5, 2002 |
| 6431654 |
Mining machine having an extendable and retractable rotor arm and method of repairing an extendable and retractable rotor arm assembly |
Aug. 13, 2002 |
| 6155649 |
Process for demolishing a bridge structure |
Dec. 5, 2000 |
| 6139477 |
Process for producing slots, grooves, and planar excavations |
Oct. 31, 2000 |
| 6109699 |
Tow line equipped remote mining machine and method |
Aug. 29, 2000 |
| 6007157 |
Slidably displaceable duct assembly for a mining machine |
Dec. 28, 1999 |
| 5553926 |
Self-propelled mining apparatus and method for cutting arched opening |
Sep. 10, 1996 |
| 5421641 |
Powered tool for slicing or shearing roofing material |
Jun. 6, 1995 |
| 5421523 |
Physio-chemical communication with expansive solidifiers |
Jun. 6, 1995 |
| 5407252 |
Method and apparatus for scaling mine roofs and ribs |
Apr. 18, 1995 |
| 5390983 |
Roadbed profiler and method of profiling |
Feb. 21, 1995 |
| 5340199 |
Method and machine for excavating drifts, tunnels, stopes, caverns or the like |
Aug. 23, 1994 |
| 5338102 |
Method of mining |
Aug. 16, 1994 |
| 5273343 |
Non-rotatable sleeve for a cutting tool bit holder and method of making the same |
Dec. 28, 1993 |
| 5234257 |
Mobile mining machine having tilted swing axis and method |
Aug. 10, 1993 |
| 5205612 |
Transport apparatus and method of forming same |
Apr. 27, 1993 |
| 5163738 |
Apparatus for mining a seam, in particular of coal |
Nov. 17, 1992 |
| 5110188 |
Deformed shield tunneling method and tunneling machine |
May. 5, 1992 |
| 5106162 |
Method of steering a mining machine |
Apr. 21, 1992 |
| 5102199 |
Continuous mining machine with a boom assembly providing different cutting heights and method of converting |
Apr. 7, 1992 |
| 5099921 |
Recovery of methane from solid carbonaceous subterranean formations |
Mar. 31, 1992 |
| 5028092 |
Impact kerfing rock cutter and method |
Jul. 2, 1991 |
| 5007683 |
Method and equipment for narrow ore mining |
Apr. 16, 1991 |
| 4900091 |
Electrohydraulic coal-mining system |
Feb. 13, 1990 |
| 4878712 |
Hydraulic method of mining coal |
Nov. 7, 1989 |
| 4871211 |
Method of restoring refractory lining for repeated use using thermal shock and milling procedures |
Oct. 3, 1989 |
| 4852946 |
Surface working accessory and method |
Aug. 1, 1989 |
| 4842444 |
Method for displacing oxygen from a mine |
Jun. 27, 1989 |
| 4822107 |
Cutter and method to remove surface coatings |
Apr. 18, 1989 |
| 4786111 |
Apparatus and method for delivering liquid coolant to drum mounted cutting tools |
Nov. 22, 1988 |
| 4761038 |
Surface working accessory |
Aug. 2, 1988 |
| 4744604 |
Vibration damping device and a method for a road planer and the like |
May. 17, 1988 |
| 4682819 |
Method and apparatus for drilling hard material |
Jul. 28, 1987 |
| 4648660 |
Method and apparatus for mining machine cutter head |
Mar. 10, 1987 |
| 4623198 |
Method for reducing compressed air losses when driving underground cavities supported by compressed air |
Nov. 18, 1986 |
| 4611857 |
Solar powered focusing and directing apparatus for cutting, shaping, and polishing |
Sep. 16, 1986 |
| 4560207 |
Method and apparatus for fragmenting asphalt |
Dec. 24, 1985 |
| 4557759 |
Iodine leach for the dissolution of gold |
Dec. 10, 1985 |
| 4548442 |
Mobile mining machine and method |
Oct. 22, 1985 |
|
|
|
