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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:

Class Number Class Name Patents
175/14 Combustion is confined chamber having restricted discharge orifice 22
175/12 Combustion of the formation material 12
175/16 Electrically produced heat 60
175/15 Rotating the heating tool 21
175/13 With introduction of slag forming flux 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8678087 Wellbore laser operations Mar. 25, 2014
8627901 Laser bottom hole assembly Jan. 14, 2014
8550182 Electromagnetic energy assisted drilling system and method Oct. 8, 2013
8540026 Wellbore laser operations Sep. 24, 2013
8534357 Wellbore laser operations Sep. 17, 2013
8528643 Wellbore laser operations Sep. 10, 2013
8511401 Method and apparatus for delivering high power laser energy over long distances Aug. 20, 2013
8464794 Wellbore laser operations Jun. 18, 2013
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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