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Class Information
Number: 102/311
Name: Ammunition and explosives > Blasting > Patterned blasting
Description: Subject matter wherein there is a blasting charge at each of several locations.










Sub-classes under this class:

Class Number Class Name Patents
102/312 Borehole arrangement 229


Patents under this class:

Patent Number Title Of Patent Date Issued
8646387 Detonator connector and detonator system Feb. 11, 2014
8631744 Method of blasting multiple layers or levels of rock Jan. 21, 2014
8474379 Remote firing device with diverse initiators Jul. 2, 2013
8468944 Electronic detonator system Jun. 25, 2013
8261664 Loading of explosives Sep. 11, 2012
8176848 Electronic blasting system having a pre-fire countdown with multiple fire commands May. 15, 2012
8119958 Method and device for matrix of explosive cells Feb. 21, 2012
7971531 Method for detecting an unknown or unmarked slave device such as in an electronic blasting system Jul. 5, 2011
7886647 Synchronously timed fuse procedure or process Feb. 15, 2011
7870825 Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting system Jan. 18, 2011
7694627 Blast sequence control Apr. 13, 2010
7681500 Method for logging a plurality of slave devices Mar. 23, 2010
7650841 Positional blasting system Jan. 26, 2010
7617775 Multiple slave logging device Nov. 17, 2009
7578237 Method for controlling initiation of a detonator Aug. 25, 2009
7331291 Self-supporting air tube for blasting Feb. 19, 2008
7299734 Synchronously/synergeticly timed fuse procedure or process Nov. 27, 2007
7103510 Logging of detonator usage Sep. 5, 2006
6945174 Method for connecting ignitors in an ignition system Sep. 20, 2005
6941870 Positional blasting system Sep. 13, 2005
6772105 Blasting method Aug. 3, 2004
6766744 Incendiary device Jul. 27, 2004
6615739 Aerodynamic projectiles and methods of making the same Sep. 9, 2003
6532874 Method of blasting bench of rock with improved blasting efficiency and reduced blasting nuisance Mar. 18, 2003
6527345 Method for excavating a tunnel rock face by drilling a pattern of lifter and line holes Mar. 4, 2003
6523449 Perforating gun Feb. 25, 2003
6371219 Oilwell perforator having metal loaded polymer matrix molded liner and case Apr. 16, 2002
5714712 Explosive initiation system Feb. 3, 1998
5388521 Method of reducing ground vibration from delay blasting Feb. 14, 1995
5386778 Process for visualization of a blast wave Feb. 7, 1995
5375524 Blasting connector system and method of use Dec. 27, 1994
5253585 Explosive pipe crimping method and devices Oct. 19, 1993
5159149 Electronic device Oct. 27, 1992
4976199 Blasting system and its method of control Dec. 11, 1990
4966416 Fragmentation of an underground ore body Oct. 30, 1990
4793258 Time fuze for unpredictably-detonating scatter ammunition Dec. 27, 1988
4406226 Non-electric delay blasting method Sep. 27, 1983
4349227 Mining system for in situ oil shale retorts Sep. 14, 1982
4290649 Method for explosively expanding a pillar for forming an in situ oil shale retort Sep. 22, 1981
4281877 Rock bolting techniques for forming an in situ oil shale retort Aug. 4, 1981
4273050 Placement method for Q.D. charges using minimum diving time Jun. 16, 1981
4146272 Explosive placement for explosive expansion toward spaced apart voids Mar. 27, 1979
4037538 Device for firing an electric detonator Jul. 26, 1977
3972285 Object array placement device Aug. 3, 1976











 
 
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