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Class Information
Number: 175/11
Name: Boring or penetrating the earth > Boring by directly applying heat to fluidize or comminute
Description: Process or apparatus comprising a step or means for directing a form of heat energy into a mineral body to (1) alter the physical state of the body or (2) separate the mineral body into particles (e.g., spalling).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8393410 |
Millimeter-wave drilling system |
Mar. 12, 2013 |
| 8267195 |
Grave site thawing, softening and boring apparatus for vertical burial containers in frozen ground |
Sep. 18, 2012 |
| 8256530 |
Method of processing rock with laser and apparatus for the same |
Sep. 4, 2012 |
| 8235140 |
Methods and apparatus for thermal drilling |
Aug. 7, 2012 |
| 8225882 |
Apparatus for boring holes in rock mass |
Jul. 24, 2012 |
| 8082105 |
Method and apparatus for measuring in-situ stress of rock using thermal crack |
Dec. 20, 2011 |
| 7669937 |
Continuous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
Mar. 2, 2010 |
| 7377593 |
Continous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
May. 27, 2008 |
| 7195320 |
Thermal rock fragmentation application in narrow vein extraction |
Mar. 27, 2007 |
| 7147064 |
Laser spectroscopy/chromatography drill bit and methods |
Dec. 12, 2006 |
| 7086484 |
Determination of thermal properties of a formation |
Aug. 8, 2006 |
| 6913320 |
Thermal rock fragmentation application in narrow vein extraction |
Jul. 5, 2005 |
| 6888097 |
Fiber optics laser perforation tool |
May. 3, 2005 |
| 6851488 |
Laser liner creation apparatus and method |
Feb. 8, 2005 |
| 6792735 |
Advanced processes for coring and grouting masonry |
Sep. 21, 2004 |
| 6755262 |
Downhole lens assembly for use with high power lasers for earth boring |
Jun. 29, 2004 |
| 6672407 |
Method of drilling, analyzing and stabilizing a terrestrial or other planetary subsurface formation |
Jan. 6, 2004 |
| 6360829 |
Soil sampling device |
Mar. 26, 2002 |
| 5735355 |
Rock melting tool with annealer section |
Apr. 7, 1998 |
| 5479994 |
Method of electrothermomechanical drilling and device for its implementation |
Jan. 2, 1996 |
| 5168940 |
Profile melting-drill process and device |
Dec. 8, 1992 |
| 5148874 |
High-pressure pipe string for continuous fusion drilling of deep wells, process and device for assembling, propelling and dismantling it |
Sep. 22, 1992 |
| 5125828 |
Granite flame finishing internal burner |
Jun. 30, 1992 |
| 5107936 |
Rock melting excavation process |
Apr. 28, 1992 |
| 4776638 |
Method and apparatus for conversion of coal in situ |
Oct. 11, 1988 |
| 4282940 |
Apparatus for perforating oil and gas wells |
Aug. 11, 1981 |
| 4282940 |
Apparatus for perforating oil and gas wells |
Aug. 11, 1981 |
| 4199034 |
Method and apparatus for perforating oil and gas wells |
Apr. 22, 1980 |
| 4113036 |
Laser drilling method and system of fossil fuel recovery |
Sep. 12, 1978 |
| 4034567 |
Self-drilling thermal bolt |
Jul. 12, 1977 |
| 4026356 |
Method for in situ gasification of a subterranean coal bed |
May. 31, 1977 |
| 4019331 |
Formation of load-bearing foundations by laser-beam irradiation of the soil |
Apr. 26, 1977 |
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