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Browse by Category: Main > Material Science
Class Information
Number: 299/12
Name: Mining or in situ disintegration of hard material > Processes > Mine safety
Description: Process in which a step is included for preventing injury to a human working in a mine or mining operation.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8695285 Telescoping modular shelter and method Apr. 15, 2014
8678515 Mine refuge Mar. 25, 2014
8632133 Water sprays for dust control on mining machines Jan. 21, 2014
8613401 Rock dust blower and method Dec. 24, 2013
8608250 Slow turning drum for a miner Dec. 17, 2013
8601919 Method of braking a chain saw Dec. 10, 2013
8551233 Dust scrubber Oct. 8, 2013
8491061 System for spraying water to reduce dust while drilling in a mine tunnel Jul. 23, 2013
8342776 Mine seal with adhesive Jan. 1, 2013
8240773 Method and apparatus for monitoring gateroad structural change Aug. 14, 2012
8162569 High-strength anchor system, safe room bulkhead, and method of anchoring a support to mine strata Apr. 24, 2012
8100479 Miner acoustic communication and location system Jan. 24, 2012
8096622 Method of controlling mine fires with polymeric gel Jan. 17, 2012
8007047 Mine refuge Aug. 30, 2011
7976724 Method of preventing emanation of dust from a coal pile or railcar Jul. 12, 2011
7941974 Inflatable shelter for use in hostile environment May. 17, 2011
7725232 Arrangement for monitoring the location of a mining vehicle in a mine May. 25, 2010
7708070 Shaft plugging system May. 4, 2010
7614705 Water spray assembly Nov. 10, 2009
7533942 Mine refuge May. 19, 2009
7490440 Support device for a rib Feb. 17, 2009
7464992 Method for forming a barrier Dec. 16, 2008
7445045 Method of optimizing production of gas from vertical wells in coal seams Nov. 4, 2008
7438506 Jack for carrying and installing mine panels Oct. 21, 2008
7393060 Grid of synthetic material Jul. 1, 2008
7334644 Method for forming a barrier Feb. 26, 2008
7332007 Dusting device with multiple stream nozzles Feb. 19, 2008
7166349 Grid of synthetic material Jan. 23, 2007
7048340 Method for introducing and blowing rock dust and device for carrying out said method May. 23, 2006
7011167 Device for sealing a drill hole and for discharging drillings or stripped extraction material Mar. 14, 2006
6966610 Treatment of rock surfaces Nov. 22, 2005
6846132 Mine stopping and braces therefor Jan. 25, 2005
6715961 Method of supporting mine walls and installing a mine stopping Apr. 6, 2004
6682263 Multiple tier stopping and method of constructing stopping Jan. 27, 2004
6655877 Yielding column Dec. 2, 2003
6540304 Water spray assembly Apr. 1, 2003
6520591 R.B. Jun's method of openwork mining utilizing pit wall consolidation Feb. 18, 2003
6497457 Drilling, image, and coal-bed methane production ahead of mining Dec. 24, 2002
6481933 Powered support frame for large seam thicknesses with controlled gap sealing plates Nov. 19, 2002
6422790 Foam blocks for construction of mine tunnel stoppings Jul. 23, 2002
6419324 Method of sealing off a mine passageway Jul. 16, 2002
6379084 Mine stopping Apr. 30, 2002
6357523 Drainage pattern with intersecting wells drilled from surface Mar. 19, 2002
6325460 Machine used in connection with underground mining having an operator protective shield Dec. 4, 2001
6280000 Method for production of gas from a coal seam using intersecting well bores Aug. 28, 2001
6243625 Automated quarry operation with communication interface Jun. 5, 2001
6220785 Mine stopping, method of constructing same and panels thereof Apr. 24, 2001
6168240 Atmospheric detection system for an automated mining system Jan. 2, 2001
6082828 Mine gallery curtain and method Jul. 4, 2000
6070944 Phasing valve assembly for supplying water to a mining machine cutter drum Jun. 6, 2000

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