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| Number | Title | Issue Date |
| 7942097 | Modular initiator with integrated optical diagnostic A slapper detonator which integrally incorporates an optical wavequide structure for determining whether there has been degradation of the explosive in the explosive device that is to be initiated by the detonator. Embodiments of this invention take advantage of the... | 05/17/2011 |
| 7784403 | Optically doped energetic igniter charge The invention relates to an energetic igniter charge consisting of a mixture of at least one secondary explosive and an optical doping material in powder form. In accordance with the invention, the optical doping material is a metal. The energetic igniter charge can... | 08/31/2010 |
| 7546804 | Artillery charge with laser ignition An artillery charge includes a generally cylindrical body with a hollow core; propellant disposed in the body and first energetic material disposed in the hollow core; and a seal disposed over one end of the hollow core, the seal including second energetic material ... | 06/16/2009 |
| 7478594 | Laser primer An explosive primer responsive to optical energy is constructed from an energetic composition optically coupled to an optical power source by a pigtailed optical fiber. The pigtailed portion of the optical fiber is positioned proximate to the energetic composition s... | 01/20/2009 |
| 7370532 | RF communications method and system for laser ultrasonic testing A system including a processor, a high-energy density system linked to the processor, and a communicator linked to the processor. The communicator comprehensively integrates a plurality of hardware and software functions associated with operating the high-energy den... | 05/13/2008 |
| 7365549 | Circuit configuration for recognizing the occupancy of a seat and seatbelt warning in a motor vehicle A circuit configuration recognizes the occupancy of a seat and triggers a seat belt warning in a motor vehicle. Resistance elements are disposed in a separated and flat manner on a motor vehicle seat, in particular on a sensor seating mat, which alters the resistanc... | 04/29/2008 |
| 7348516 | Methods of and laser systems for link processing using laser pulses with specially tailored power profiles A laser pulse with a specially tailored temporal power profile, instead of a conventional temporal shape or substantially square shape, severs an IC link. The specially tailored laser pulse preferably has either an overshoot at the beginning of the laser pulse or a ... | 03/25/2008 |
| 7301981 | Methods for synchronized pulse shape tailoring A plurality of subresonators (12, 14), having different design configurations, share a common resonator section (18) such that the lasing action can be substantially synchronized to provide coherent laser pulses that merge the different respective puls... | 11/27/2007 |
| 7289549 | Lasers for synchronized pulse shape tailoring A plurality of subresonators (12, 14), having different design configurations, share a common resonator section (18) such that the lasing action can be substantially synchronized to provide coherent laser pulses that merge the different respective puls... | 10/30/2007 |
| 7284601 | Casing conveyed well perforating apparatus and method Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished us... | 10/23/2007 |
| 7285087 | Shape memory devices and methods for reshaping heart anatomy Systems, methods and devices are provided for treating heart failure patients suffering from various levels of heart dilation. Such heart dilation is treated by reshaping the heart anatomy with the use of shape memory elements. Such reshaping changes the geometry of... | 10/23/2007 |
| 7284489 | Casing conveyed well perforating apparatus and method Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished us... | 10/23/2007 |
| 7267365 | Inflator An inflator for a vehicle occupant restraint system. The inflator includes a cylindrical outer wall having a longitudinal axis and a first opening formed therealong for enabling fluid communication between an interior of the inflator and an exterior of the inflator.... | 09/11/2007 |
| 7250729 | Method of spark-processing silicon and resulting materials The subject invention pertains to a method of spark processing silicon and resulting materials. The subject invention also relates to electroluminescent devices incorporating the materials produced by the subject method. The subject method for spark-processing can e... | 07/31/2007 |
| 7246558 | Rapid deflagration cord (RDC) ordnance transfer lines A novel transfer ordnance line and novel end fittings for the transfer line for use in space vehicles, aircraft, missile systems and other military applications. The transfer line is a Rapid Deflagration Cord (RDC) hermetically encapsulated in a metal tubing. The me... | 07/24/2007 |
| 7216589 | Fuse for projected ordnance An ordnance fuse apparatus is described that uses electrical and mechanical, and optical devices. The ordnance fuse apparatus includes a controller to control an optical switch and a laser to detonate an explosive charge of the ordnance. Other embodiments include an... | 05/15/2007 |
| 7209819 | Drive circuit for a firing cap of a vehicle restraint system A drive circuit for a firing cap, triggerable by an electric direct current firing pulse, of a vehicle restraint system, has a firing circuit which forms a series connection of a high side switch to the firing cap and to a low side switch. The firing circuit is conn... | 04/24/2007 |
| 7204190 | Method and device for initiation and ignition of explosive charges through self-destruction of a laser source The present invention relates to a new method, based on laser technology, of initiating explosive charges (6, 10, 17, 30), and a device which is intended for initiating explosives and in accordance with said method functions according to entirely new principl... | 04/17/2007 |
| 7201103 | Method for initiation and ignition of explosive charges through self-destruction of a laser source A method of initiating explosive charges ignites an explosive charge by the heat and/or explosion of a laser due to self-destruction or overheating of the laser source, and not by the radiation emitted from the laser. The laser source is assembled and/or embedded wi... | 04/10/2007 |
| 7191706 | Optically triggered fire set/detonator system The present invention is directed to a system having a plurality of capacitor discharge units (CDUs) that includes electrical bridge type detonators operatively coupled to respective explosives. A pulse charging circuit is adapted to provide a voltage for each respe... | 03/20/2007 |
| 7159653 | Spacer sub The present invention involves a method and apparatus for communicating from within a wellbore to the surface of the wellbore, as well as communicating from the surface of the wellbore to downhole within the wellbore. More specifically, the present invention involve... | 01/09/2007 |
| 7142087 | Micromechanical latching switch A micro-electrical-mechanical-switch (MEMS) device comprises a semiconductor wafer, a first semiconductor layer formed on the semiconductor wafer, and a second semiconductor layer formed on the first layer. A first latching movable shuttle is formed in the second la... | 11/28/2006 |
| 7131366 | Actuator assembly A trigger actuator having a substantially unitary structure with a measuring device mounted thereon to detect the application of force to the trigger. In response, the measuring device generates a trigger signal. A compensating system detects additional or undesirab... | 11/07/2006 |
| 7100511 | Dual redundancy system for electronic detonators A detonator assembly (10) comprising a housing (12) disclosed and claimed. The assembly comprises an main circuit (11) comprising an electrically operable fuse (16) located in the housing. The assembly further comprises at least a first r... | 09/05/2006 |
| 7093541 | Enhancement of solid explosive munitions using reflective casings A solid explosive munition casing for an explosive charge, the inner surface of the casing including a material that is highly reflective in the optical and infrared spectrum. Through this reflectivity, electromagnetic radiation generated by the detonation process i... | 08/22/2006 |
| 7051655 | Low-energy optical detonator The invention relates to an optical detonator comprising a secondary explosive disposed in a cavity, an optical fiber having one end connected to a source of laser radiation, and a focusing optical interface situated between the other end of the optical fiber and th... | 05/30/2006 |
| 7047886 | Method and apparatus for removing obstructions in the mines The present invention is directed to a system for fragmenting rock obstacles and obstructions in mines. The system uses a projectile having a flat or concave nose and a detonating device that has a safety pin to prevent a striker from prematurely igniting the primer... | 05/23/2006 |
| 7039088 | Enhancement of chemical lasers via control of the ambient radiation environment A system and method for obtaining improved performance of chemical laser systems by exercising control over the radiation environments of these devices. Proper control of the AERE is achieved through the control of the wall construction including the choice of mater... | 05/02/2006 |
| 7036476 | Internal combustion engine An internal combustion engine comprising at least one cylinder, in which combustion of a fuel-air mixture compressed in the cylinder by a piston is initiated by time-controlled external ignition, wherein there is provided at least one laser light source for time-con... | 05/02/2006 |
| 7021216 | Method of and system for controlling a blasting network A method and system for controlling a blasting network (16) for use where spurious command signals may be passed through a blasting controller (12) to the blasting network, for example when the controller is connected to the Internet or Intranet (10... | 04/04/2006 |
| 7021218 | Safety and performance enhancement circuit for primary explosive detonators A safety and performance enhancement arrangement for primary explosive detonators. This arrangement involves a circuit containing an energy storage capacitor and preset self-trigger to protect the primary explosive detonator from electrostatic discharge (ESD). The c... | 04/04/2006 |
| 6994162 | Linear displacement measurement method and apparatus Methods and apparatus for detecting an operation of a downhole tool using an optical sensing system are disclosed. In an embodiment, a flow control device has an inner tubular member moveable relative to an outer tubular member and a thermally responsive chamber cap... | 02/07/2006 |
| 6977367 | Providing a light cell in a wellbore This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 12/20/2005 |
| 6955745 | Method of spark-processing silicon and resulting materials The subject invention pertains to a method of spark processing silicon and resulting materials. The subject invention also relates to electroluminescent devices incorporating the materials produced by the subject method. The subject method for spark-processing can e... | 10/18/2005 |
| 6952659 | Computer system monitoring A support module monitors the operation of at least one information processing module domain by automatically applying at least one test at intervals to an information processing module domain to be monitored and reporting a fault when the test is unsuccessful. On i... | 10/04/2005 |
| 6935241 | Method of producing a device containing pyrotechnical material and device obtainable by this method A method of producing a device containing pyrotechnical material comprises the following steps: providing a tubular housing element with a base and metal ducts incorporated in the base, with the housing element and the base being integrally formed of glass and the h... | 08/30/2005 |
| 6915686 | Downhole sub for instrumentation A downhole sub for instrumentation, such as a fiber optic sensor. The sub is configured to be connected to a string of pipe, such as a string of tubing. The sub first comprises an essentially concentric tubular body. The tubular body has an inner diameter that gener... | 07/12/2005 |
| 6905135 | Inflator system Inflator module for inflating an airbag with gas including an elongate housing, an elongate block of propellant arranged in the housing and generating gas when burning and preferably, igniter material arranged on the propellant. The igniter material is substantially... | 06/14/2005 |
| 6802259 | Device for firing energetic materials such as pyrotechnics or explosives A device for firing energetic materials (14) such as pyrotechnics or explosives, including a firing composition (12) for the energetic materials (14) and an UV-radiation source (16) for irradiating the firing composition (12), wher... | 10/12/2004 |
| 6758922 | Low firing energy initiator pyrotechnic mixture Pyrotechnic compositions such as used in initiator devices and corresponding initiator devices having a low firing energy are provided. The pyrotechnic composition includes a mixture containing a fuel component which includes a quantity of at least one Iron Blue Pig... | 07/06/2004 |
