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Class Information
Number: 102/306
Name: Ammunition and explosives > Blasting > Detonation wave modifying > Shaped charge or charge with detonation wave cavity modifier
Description: Subject matter wherein the explosive charge (a) has a cavity in its external surface, or (b) has a material next to the charge with a cavity in its external surface, the charge upon detonation produces a detonation wave front determined by the shape of the cavity.










Sub-classes under this class:

Class Number Class Name Patents
102/309 Having a barrier 83
102/307 Linear or curvilinear cavity 233
102/310 Plural charges 137
102/308 Tandem charge 62


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701767 Boron shaped charge Apr. 22, 2014
8677902 Precision water jet disruptor delivery system Mar. 25, 2014
8677903 Dissolvable material application in perforating Mar. 25, 2014
8627707 Method for the development and quality control of flow-optimized shaped charges Jan. 14, 2014
8616130 Liners for warheads and warheads having improved liners Dec. 31, 2013
8522682 Advanced grenade concept with novel placement of MEMS fuzing technology Sep. 3, 2013
8505454 Electromagnetic formed shaped charge liners Aug. 13, 2013
8459186 Devices and methods for perforating a wellbore Jun. 11, 2013
8459185 Projectile-generating explosive access tool Jun. 11, 2013
8443731 Reactive material enhanced projectiles, devices for generating reactive material enhanced projectiles and related methods May. 21, 2013
8444785 Solid composite propellants and methods of making propellants May. 21, 2013
8418622 Shaped charge jet disruptor Apr. 16, 2013
8381627 Method for severing tubes using an expandable shape charge positioner Feb. 26, 2013
8381652 Shaped charge liner comprised of reactive materials Feb. 26, 2013
8375859 Shaped explosive charge Feb. 19, 2013
8365666 Modular breaching and demolition system Feb. 5, 2013
8359963 Expandable shape charge positioner Jan. 29, 2013
8342094 Dissolvable material application in perforating Jan. 1, 2013
8322284 Perforators Dec. 4, 2012
8302534 Radial-linear shaped charge pipe cutter Nov. 6, 2012
8240251 Reactive shaped charge, reactive liner, and method for target penetration using a reactive shaped charge Aug. 14, 2012
8220394 Oil well perforators Jul. 17, 2012
8167044 Shaped charge May. 1, 2012
8166882 Shaped charge liner with varying thickness May. 1, 2012
8156871 Liner for shaped charges Apr. 17, 2012
8146503 Linear shaped charge system Apr. 3, 2012
8091479 Fluid blade disablement tool Jan. 10, 2012
8033224 Spiral linear shaped charge jet Oct. 11, 2011
7987789 Method for reducing the amount of ammunition types to be used and an ammunition device Aug. 2, 2011
7984674 Perforating charge for use in a well Jul. 26, 2011
7921778 Single phase tungsten alloy for shaped charge liner Apr. 12, 2011
7908970 Dual initiation strip charge apparatus and methods for making and implementing the same Mar. 22, 2011
7878119 Perforating charge for use in a well Feb. 1, 2011
7861655 Super compressed detonation method and device to effect such detonation Jan. 4, 2011
7819064 Shaped charge and a perforating gun Oct. 26, 2010
7811354 High performance powdered metal mixtures for shaped charge liners Oct. 12, 2010
7779760 Shaped charge assembly and method of damaging a target Aug. 24, 2010
7762193 Perforating charge for use in a well Jul. 27, 2010
7752971 Adapter for shaped charge casing Jul. 13, 2010
7739955 Device adjacent to an explosive charge with at least two liners Jun. 22, 2010
7690306 Use of barite in perforating devices Apr. 6, 2010
7661367 Radial-linear shaped charge pipe cutter Feb. 16, 2010
7658150 Device for control of fragment discharge from main charge liners Feb. 9, 2010
7658148 Reactive shaped charges comprising thermal sprayed reactive components Feb. 9, 2010
7621221 Double explosively-formed ring (DEFR) warhead Nov. 24, 2009
7600476 Geometric/mechanical apparatus to improve well perforator performance Oct. 13, 2009
7581498 Injection molded shaped charge liner Sep. 1, 2009
7546806 Selectable output well perforator and method for producing variable hole profiles Jun. 16, 2009
7547345 High performance powdered metal mixtures for shaped charge liners Jun. 16, 2009
7536956 Linear shaped charge system May. 26, 2009

1 2 3 4










 
 
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