| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 102314000 | Contained blasting charge | 25 |
| 20120090491 | EXPLOSIVE CHARGE - An explosive charge ( | 04-19-2012 |
| 20130139716 | SALT COMPOSITIONS AND EXPLOSIVES USING THE SAME - This invention relates to novel salt compositions and to explosive compositions comprising said salt compositions. The salt compositions are useful as emulsifiers in the explosive compositions. The explosive compositions are water-in-oil emulsion explosives. | 06-06-2013 |
| 102315000 | Having or receiving separated explosive constituents | 1 |
| 20120174811 | GRADED PROPERTY BARRIERS FOR ATTENUATION OF SHOCK - A barrier for reduction of a shock wave. The barrier has a spatially graded structure in which a density of the structure varies across a thickness thereof. The graded structure includes a polymer having hollow containers dispersed in the polymer to provide the density of the graded structure. The barrier can be included in at least one of 1) an explosive device, 2) a war head, 3) a demolition charge, and 4) an explosive containment. These devices have an exterior housing and at least one partitioned segment inside the housing with the partitioned segment including the barrier for reduction of the shock wave. Partitioned sections of the explosive devices are selectively or in total detonated. | 07-12-2012 |
| 102317000 | Similar contained charges joined end to end | 1 |
| 20140373743 | EXPLOSIVE ASSEMBLY AND METHOD - An explosive assembly includes a first explosive unit having a first longitudinal end portion having a first mechanical coupling feature, a second explosive unit having a second longitudinal end portion having a second mechanical coupling feature, and a tubular connector having a first end portion mechanically coupled to the first mechanical coupling feature and a second end portion mechanically coupled to the second mechanical coupling feature, such that the first explosive unit, the connector, and the second explosive unit are connected together end-to-end along a common longitudinal axis. Each explosive unit can contain a high explosive material and a detonator, and the connector can comprise a detonation control module electrically coupled to the detonators and configured to detonate the explosive units. | 12-25-2014 |
| 102318000 | Booster or charge with booster detonator | 1 |
| 20150053105 | SHELL FOR EXPLOSIVE - A booster shell, comprising: an elongate body defining a chamber for an explosive composition, the body comprising an upper end and a lower end; an inlet at the upper end of the elongate body adapted to allow an explosive composition to be delivered into the chamber; a detonator receiving passage adapted to receive a detonator, the detonator receiving passage: (a) extending within the chamber from the upper end of the elongate body to the lower end of the elongate body; (b) being integrally formed with the elongate body; and (c) including a detonator stop at or near to the lower end of the elongate body; and a detonator lead guide adapted to receive the lead of a detonator, the detonator lead guide: (a) extending from the upper end of the elongate body to the lower end of the elongate body and (b) being integrally formed with the elongate body. | 02-26-2015 |
| 102320000 | Having plural charges | 4 |
| 20090000504 | Multifunctional Detonation System - Explosive apparatus having at least two cuboid mouldings, which have at least one firing hole, composed of explosive material, whose edge lengths have a ratio of 1:2:4 and having a container ( | 01-01-2009 |
| 20100089270 | ROCK-BLASTING CARTRIDGE AND BLASTING METHOD - A blasting cartridge comprising an elongated sleeve extending along an axis A and having a first end and a second end; the first end has a first sleeve closure with an opening for holding a detonator; the second end has a second sleeve closure; a space is provided between the first sleeve closure and the second sleeve closure for holding a blasting explosive; wherein the second end is provided with a connector means for releasably connecting the second end of the cartridge with a first end of an adjacent cartridge and comprising a firing pin means for impinging upon a detonator in the first end of the adjacent cartridge when the blasting explosive is detonated by actuation of the detonator in the first end of the cartridge. | 04-15-2010 |
| 20110239889 | DETONATION TO IGNITER BOOSTER DEVICE - A detonating device includes a high explosive portion comprising high explosive; a low explosive portion comprising low explosive; and a transition portion between the high explosive portion and the low explosive portion, wherein the transition portion comprises a mixture of high explosive and low explosive. | 10-06-2011 |
| 20150345915 | IGNITION SYSTEM FOR SCALABLE MUNITIONS SYSTEM - An ignition system for a munitions system which is scalable with respect to its power delivery and which includes two different ignition circuits for a sub-detonative and a detonative initiation of an explosive charge of the munitions system, wherein a control mechanism in a sub-detonative ignition circuit monitors function and thus prevents an uncontrolled complete power delivery of the munitions charge. | 12-03-2015 |
| 102322000 | With primer or ignitor | 13 |
| 20080264289 | PROPELLANT FOR FRACTURING WELLS - An apparatus for fracturing wells employs a propellant charge and an ignition cord wrapped around the outer surface of the propellant charge to rapidly ignite the outer surface of the propellant charge. | 10-30-2008 |
| 20090071362 | DEMOLITION CHARGE HAVING MULTI-PRIMED INITIATION SYSTEM - A demolition charge system has a multi-primed initiation system with a rigid container defining an internal chamber. An initiation tube is supported within the internal chamber and is configured to receive a demolition initiator. | 03-19-2009 |
| 20090090263 | HEAT INSULATING CONTAINER FOR A DETONATOR - An apparatus for use in a wellbore comprises a heat insulating container having an inner space and having a structure defining a hollow containing a vacuum. The apparatus further comprises a reflective layer arranged on a surface of the heat insulating container to reflect heat for reducing radiated heat originated in the wellbore from reaching the inner space. Also, a signal-activated detonator is provided in the inner space of the heat insulating container. | 04-09-2009 |
| 20090235837 | DEMOLITION CHARGE HAVING MULTI-PRIMED INITIATION SYSTEM - A demolition charge system has a multi-primed initiation system with a rigid container defining an internal chamber. An initiation tube is supported within the internal chamber and is configured to receive a demolition initiator. | 09-24-2009 |
| 20100229749 | Nano-Based Devices for Use in a Wellbore - An apparatus includes a component for use in a wellbore, and a nano-based device for activating the component. | 09-16-2010 |
| 20110139029 | AVALANCHE TRIGGERING SYSTEM - The invention relates to an avalanche triggering device comprising at least one enclosure ( | 06-16-2011 |
| 20120180683 | ROCK BREAKING - An auxiliary cartridge for use in rock breaking is disclosed which comprises an elongate body, an end closure at each end of the body and a charge of combustible material in the space defined by the body and the end closures. One of the end closures includes a frangible membrane which closes off a charge of combustible chemicals. On being subjected to the pressure of an external ignition of fast burning combustible material, the membrane fails and permits flame to flash through it from externally of the auxiliary cartridge to internally thereof thereby to ignite said charge. | 07-19-2012 |
| 20120180684 | BLASTING CARTRIDGE, BLASTING APPARATUS, AND BLASTING METHOD - A blasting cartridge includes a generally cylindrical blasting container, a blasting substance filled in the blasting container, a pair of leadwires contained in the blasting container, and a single thin metal wire connected to tip portions of the pair of leadwires. The leadwires and the thin metal wire are positioned within the blasting substance within the blasting container. The blasting substance is nitromethane, and the thin metal wire is formed of tungsten. With an electric discharge impact blasting apparatus, since the thin metal wire has a higher heating value than a copper wire because of its higher resistance and vaporizes at higher temperatures, it is possible to obtain a greater blasting force at lower voltages than with a blasting apparatus using a copper wire. | 07-19-2012 |
| 20120227609 | INITIATION SYSTEMS FOR EXPLOSIVE DEVICES, SCALABLE OUTPUT EXPLOSIVE DEVICES INCLUDING INITIATION SYSTEMS, AND RELATED METHODS - Initiator systems for warheads include a first initiation device configured to detonate at least a portion of an explosive material contained in an explosive device and a second initiation device configured to deflagrate at least a portion of an explosive material of a warhead. Scalable output explosive devices include an explosive material at least partially disposed within a housing and an initiator system including a first initiation device configured to detonate at least a portion of the explosive material and a second initiation device configured to deflagrate at least another portion of the explosive material. Methods of igniting warheads include deflagrating a portion of an explosive material disposed within the warhead and detonating at least another portion of the explosive material disposed within the warhead. | 09-13-2012 |
| 20130019770 | DEVICE FOR PERFORATING A MATERIAL COMPRISING A TAIL-LOCKING CHARGE CASE - According to an embodiment, a charge holder assembly comprising: a charge holder, wherein the charge holder is a hollow cylinder, and wherein the charge holder comprises: (a) at least one hole disposed through a wall of the charge holder; and (b) at least one slot disposed through the wall of the charge holder, wherein the at least one slot is located diametrically opposite from the at least one hole; and a charge comprising a charge case, wherein the charge case comprises: (a) a tail end portion, wherein the tail end portion comprises: (i) a cord retaining groove; and (ii) two legs, wherein each of the two legs comprises at least one slot engaging groove, wherein the slot engaging grooves are at an angle offset from the cord retaining groove. According to another embodiment, a method of perforating a material using a charge comprising: positioning a perforation gun adjacent to the material to be perforated, wherein the perforation gun comprises: the charge holder assembly; and causing the charge of the charge holder assembly to detonate. | 01-24-2013 |
| 20130206027 | ROCK CRACKER CARTRIDGE AND IGNITION CAPSULE - A rock cracker cartridge ( | 08-15-2013 |
| 20130263753 | BLASTING APPARATUS - A blasting cartridge includes a generally cylindrical blasting container, a blasting substance filled in the blasting container, a pair of leadwires contained in the blasting container, and a single thin metal wire connected to tip portions of the pair of leadwires. The leadwires and the thin metal wire are positioned within the blasting substance within the blasting container. The blasting substance is nitromethane, and the thin metal wire is formed of tungsten. With an electric discharge impact blasting apparatus, since the thin metal wire has a higher heating value than a copper wire because of its higher resistance and vaporizes at higher temperatures, it is possible to obtain a greater blasting force at lower voltages than with a blasting apparatus using a copper wire. | 10-10-2013 |
| 20140345486 | CANISTERS WITH INTEGRAL LOCKING MEANS AND CAST BOOSTER EXPLOSIVES COMPRISING THE SAME - A booster explosive ( | 11-27-2014 |
| 102323000 | Having a rupturable or expandable casing | 1 |
| 20150053106 | BLASTING CARTRIDGE - A cartridge ( | 02-26-2015 |
| 102324000 | Having a flexible tube or bag container | 2 |
| 20090277354 | Blasting air tube with sleeve, and method - An inflatable air tube includes a sleeve member arranged concentrically about the upper end portion of the air tube to define a receptacle chamber for receiving a quantity of bulk explosive blasting powder, thereby to add weight to the air tube for positioning and stabilizing the same in the bulk explosive powder during the depositing of the powder into a blasting hole drilled into the ground. According to the method of the present invention, a plurality of accurate blasting patterns may be provided in the blasting powder column by timing the manual or mechanical insertion of the air tubes into the bulk blasting powder relative to the rate of supply of the powder from a source thereof. | 11-12-2009 |
| 20100162914 | METHOD, DEVICE AND SYSTEM OF DEPLOYING A PAYLOAD - Some demonstrative embodiments of the invention include a method, device and/or system of deploying a payload. In some demonstrative embodiments, the system may include an invertible sleeve capable of being expanded in an inside-out manner, wherein first and second surfaces of the sleeve, which face outward and inward, respectively, when the sleeve is at an unexpanded state, face inward and outward, respectively, when the sleeve is at an expanded state; a payload conveyer to convey the payload, wherein the payload conveyer is detachably connectable to a first end of the sleeve; and a pressurizer to expand the sleeve by applying a pressure through a second end of the sleeve. Other embodiments are described and claimed. | 07-01-2010 |
