Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7410049 | Diode cutoff and safe packaging system for detonating cord A block molded from a polymeric material has a through passageway to contain a percussive shock wave. Angularly related channels communicate with the containment passageway for receiving arcuate segments of detonation cord. Alignment of a plurality of blocks provide... | 08/12/2008 |
| 7360487 | Connector for perforating gun tandem A perforating gun connector comprising a first and second section connected together on one end. The two sections of the perforating gun connector that couple together are correspondingly tapered so that one end of one connector is tapered and fits into the correspo... | 04/22/2008 |
| 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 |
| 7188566 | Non-electric detonator A detonator (10) has a constant-diameter shell (12) which has a significantly higher shell length-to-diameter (outside diameter) ratio than prior art detonators. The shell (12) is configured to hold an explosive output charge (18) which i... | 03/13/2007 |
| 7100512 | Timed pyric chain apparatus, in particular for the ignition of pyrotechnical fireworks A timed pyric chain apparatus, particularly for the ignition of pyrotechnical fireworks includes a main conduit (2) for a retard fuse (16) the main conduit (2) having lateral branch conduits (5). The apparatus consists of coupled modular ... | 09/05/2006 |
| 6904749 | Polyoxymethylene as structural support member and propellant A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethy... | 06/14/2005 |
| 6868789 | Adaptor for securing a blasting cap initiator The present invention provides a two-part adapter for more securely holding a blasting cap initiator in place in a demolition or munitions device. This adaptor is an insert component, generally cylindrical in shape and having an inner diameter capable of surrounding... | 03/22/2005 |
| 6691621 | Ignition device for a propellant charge A propellant charge ignition device having one or more ignition means and incorporating one or more diffuser tube(s) extending through a part of the propellant charge. The structure permits a flame generated by the ignition means to be guided up to a prop... | 02/17/2004 |
| 6386085 | Method and apparatus for explosives assembly A method for assembling a blast initiation device is provided. The method comprises providing a length of signal transmission line having first and second ends, mounting a tag to the line and mounting a first detonator to the first end of the line wherein... | 05/14/2002 |
| 6349648 | Detonator for shock tube connector system A shock tube connector system comprises a substantially cylindrical detonator having a longitudinal axis a block body receiving the detonator therein, and an end cap. The detonator includes an axisymmetric exterior shell including a cylindrical main secti... | 02/26/2002 |
| 6305287 | Low-energy shock tube connector system A shock tube connector system comprises a substantially cylindrical detonator having a longitudinal axis a block body receiving the detonator therein, and an end cap. The detonator includes an axisymmetric exterior shell including a cylindrical main secti... | 10/23/2001 |
| 5714712 | Explosive initiation system A detonation system especially useful for initiating a plurality of substantially simultaneous seismic detonations includes an electric trunkline circuit disposed on the surface of a firing site containing boreholes, within which booster charges having re... | 02/03/1998 |
| 5689083 | Obturating initiation fitting An initiation fitting (10) includes a sleeve member (12) having a first end to which a fuse (18) or other initiator is connected and a second end to which an initiating charge (38) is connected for initiating a connected device such as a rocket motor and ... | 11/18/1997 |
| 5631440 | Universal isolation member and non-electric detonator cap including the same An isolation member (34) for use in a non-electric detonator cap (10) has an interior passageway (40) extending therethrough and defining a positioning region (44) and a discharge port (56). Positioning region (44) provides a series of interior shoulders ... | 05/20/1997 |
| 5524547 | Signal tube and detonator cord connector The present invention is directed to an improved connector comprising a first and second holding means for pressure fitting a detonating cord and shock tube in a substantially orthogonal pressure fitting relationship.... | 06/11/1996 |
| 5463955 | Transmission tube connector The present invention is directed to a connector for transmission tubes wherein a first initiated transmission tube transfers a signal to a second transmission tube within said connector.... | 11/07/1995 |
| 5431100 | Electric explosive tube initiation system In a system for connecting blasting caps to the initiation source, a redundant design structure provides a more reliable method of explosive initiation. This is accomplished by using a complete system from blasting control through the initiation line and ... | 07/11/1995 |
| 5327835 | Detonation device including coupling means A coupling device (10) for coupling a detonator cap (22a, 22b) with a detonating cord (82) features a sleeve member (12) having a longitudinal bore (18) extending therethrough for receiving a detonator cap (22a, 22b) in one end and a detonating cord (82) ... | 07/12/1994 |
| 5216197 | Explosive diode transfer system for a modular perforating apparatus An explosive diode transfer system is interconnected between adjacent perforating guns of a modular perforating apparatus. The explosive diode transfer system includes a downwardly directed shaped charge, a booster, and a multi-density barrier interposed ... | 06/01/1993 |
| 5069131 | Primer A primer is provided for use in detonating an explosive charge. The primer includes a rigid explosive-filled container which is fitted with an elongated neck. A bore in the neck extends into the explosive of the primer and provides accommodation for a fir... | 12/03/1991 |
| 4989516 | Safe/arm explosive delay path A safe/arm explosive delay path for detonating an explosive device and prnting detonation of the explosive device by extraneous factors present in the internal environment. The delay path comprises a detonator and first explosive trail leading to a delay... | 02/05/1991 |
| 4809610 | Delay detonator A nonelectric delay detonator has means for allowing an ignition flame to be transmitted from an ignition transfer hose to a delay device. The delay device causes a secondary charge to detonate after a predetermined delay time. In order to obtain reproduc... | 03/07/1989 |
| 4759292 | Spinstabilized projectile A spin stabilized payload projectile 10, in order to separate a projectile base connected with projectile body 11 and to eject a payload 13, is provided with an ejection charge 15 in its nose region, with such ejection charge being activated with a certai... | 07/26/1988 |
| 4664033 | Pyrotechnic/explosive initiator Pyrotechnic/explosive initiator for use with a detonating cord or fuse comprising an elongated hollow tube with a longitudinally extending channel through which a gaseous percussion wave is propagated. The initiator includes a charge of pyrotechnic or exp... | 05/12/1987 |
| 4612857 | Ballistic gas fired device A hot ballistic gas fired explosive transfer device embodying an explosive train sealed against environmental effects and placed in the line of delivery of hot ballistic gas which ruptures the seal and initiates the action of the explosive train. The expl... | 09/23/1986 |
| 4539909 | Detonating assembly with U-bend of low energy detonating cord A non-electric detonator assembly is provided for initiation by means of a connected length of low energy detonating cord. The assembly comprises a substantially conventional instantaneous or delay period non-electric blasting cap containing a detonating ... | 09/10/1985 |
| 4527482 | Blasting cap to primer adapter A blasting cap to primer adapter permits the use of any size of a blasting cap and associated shock tube in combination with commercially available primers and detonating cords. In one embodiment, a bracket arrangement and cord tunnel assembly having a pl... | 07/09/1985 |
| 4432268 | Detonation cut-off device A passive detonation cut-off device for a solid line of explosives operates by directionally controlling the detonation pressure of an accidental detonation wave of an explosives line and by using this directionally controlled detonation pressure to sever... | 02/21/1984 |
| 4424747 | Non-electric blasting assembly A percussion-actuated instantaneous or delay detonator transmits a detonation from a first length of low-energy detonating cord (LEDC) transversely positioned adjacent the detonator's percussion-responsive end to a U-shaped segment of a second length of L... | 01/10/1984 |
| 4423682 | One-way explosive transfer assembly A one-way explosive transfer assembly embodying a body formed with an interior chamber containing an explosive shock transfer body formed with shock wave attenuating passage means shaped to transfer heat and to control the explosive shock when traveling i... | 01/03/1984 |
| 4350097 | Nonelectric delay detonator with tubular connecting arrangement A nonelectric detonator device is provided for initiation by a detonator cord, the nonelectric detonator device being securable to a cartridge explosive, an explosive primer charge or one or more outgoing detonator cords, for example, for initiation there... | 09/21/1982 |
