Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7954432 | Shipping cap for shielded mild detonating cord and resulting assembly for safe shipping A shipping cap is provided for use with a shielded mild detonating cord (SMDC) having an explosive tip that contains a volume of explosive material. The shipping cap is coupled to a portion of the SMDC to define a sealed free volume region about the SMDC's explosive... | 06/07/2011 |
| 7431075 | Propellant fracturing of wells A propellant assembly for fracturing a formation around a well includes a propellant and a detonating cord wrapped around the propellant, the detonating cord to ignite the propellant upon detonation of the detonating cord. Alternatively, the propellant can include a... | 10/07/2008 |
| 7421949 | Rapid deflagrating 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 Deflagrating Cord (RDC) hermetically encapsulated in a metal tubing. The me... | 09/09/2008 |
| 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 |
| 7216777 | Liquid dispensing system using color-coded visual indicia A liquid dispensing system and methods including color-coded visual indicia to assist an operator in the proper selection of the components and in the configuration of those components in the system during setup, maintenance and diagnostics. Color-coded indicia is a... | 05/15/2007 |
| 7162957 | Redundant signal transmission system and development method Percussive signal transmission tubes, of contrasting color, are joined along adjacent longitudinally extending portions by an adhesive bead of polymeric material. The tubes can be separated in the field and are provided on spools without any sheath. A small diameter... | 01/16/2007 |
| 7086335 | Redundant signal transmission system and deployment means Percussive signal transmission tubes, of contrasting color, are joined along adjacent longitudinally extending portions by an adhesive bead of polymeric material. The tubes can be separated in the field and are provided on spools without any sheath. A small diameter... | 08/08/2006 |
| 7047884 | Pyrotechnic initiator having output can with encapsulation material retention feature A pyrotechnic initiator is provided with an encapsulation material retention feature on the output can rather than on the header assembly. For example, the bottom of the output can of the pyrotechnic initiator may be swaged over the bottom of the header assembly and... | 05/23/2006 |
| 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 |
| 6966263 | Low-cost, no-fragment explosive access tool for soft metal containers The invention comprises a device that uses a flexible material, preferably in a mostly square shape. An explosive charge, usually in the form of a sheet of explosives, is cut to fit on the top side of the flexible material. A cutting plate, having orthogonal grooves... | 11/22/2005 |
| 6915744 | Pyrotechnic initiator with on-board control circuitry A pyrotechnic initiator with enclosed on-board control circuitry, and a mating connector therefor. ... | 07/12/2005 |
| 6907827 | Pyrotechnic initiator having output can with encapsulation material retention feature A pyrotechnic initiator is provided with an encapsulation material retention feature on the output can, such as a swaged end or anchors. ... | 06/21/2005 |
| 6905562 | Low density slurry bridge mix A low density slurry bridge mix for use in an inflatable restraint system is provided. The low density slurry bridge mix includes zirconium metal, a thermal conductivity enhancer such as aluminum metal, potassium perchlorate oxidant, and a binder material and has a ... | 06/14/2005 |
| 6843178 | Electromagnetic pulse transmitting system and method A plasma antenna generator includes an ionizable material, an explosive charge capable of projecting the ionizable material upon detonation, and a detonator coupled with the explosive charge. An electromagnetic pulse transmitting system includes an electromagnetic p... | 01/18/2005 |
| 6622630 | Booster A booster to relay a detonation train from a detonating cord to another booster includes an explosive and a shell. The shell has an open end to receive an end of the detonating cord and an indented closed end that is adapted to form a projectile to strike... | 09/23/2003 |
| 6618237 | System for the initiation of rounds of individually delayed detonators Disclosed is an electronic detonator delay assembly, having an associated detonator, that can be pre-programmed on site with a time delay and installed in a borehole to carryout a blast operation. The assembly is first coupled to a programming unit to pro... | 09/09/2003 |
| 6513437 | Blast initiation device A detonator device and assembly for the initiating a plurality of signal transmission lines with a pressure impulse. The detonator device comprising a detonator casing having a signal receiving end and a firing end. The firing end of the detonator device ... | 02/04/2003 |
| 6408759 | Initiator with loosely packed ignition charge and method of assembly An initiator (100) assembled from a housing (112), an output charge (144) and an initiation means (110, 120, 58, 54) includes a pulverulent ignition charge (46a) disposed in direct initiation relation to the initiation means, and an output charge (144) th... | 06/25/2002 |
| 6382232 | Remote triggering system and retrofit kit for thermal-pressure relief devices A heat-responsive fuse cord is positioned in the proximity of a pressure vessel and is thermally coupled to a thermal-pressure relief device which is in communication with the pressurized contents of the vessel. When ignited the fuse cord burns to a therm... | 05/07/2002 |
| 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 |
| 5992328 | Separation system A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system ... | 11/30/1999 |
| 5983802 | Separation system A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system ... | 11/16/1999 |
| 5969287 | Separation system A separation system for separating a first section from a second section is disclosed. In one embodiment, the separation system includes first and second doublers for initially interconnecting the first and second sections, an expandable explosive system ... | 10/19/1999 |
| 5889228 | Detonator with loosely packed ignition charge and method of assembly A detonator (100) assembled from a housing (112), an output charge (144) and an initiation means (110, 120, 58, 54) includes a pulverulent ignition charge (46a) disposed in direct initiation relation to the initiation means, and an output charge (144) tha... | 03/30/1999 |
| 5780764 | Booster explosive devices and combinations thereof with explosive accessory charges A booster explosive device (10) has a housing (12) within which is contained an explosive primer charge (14). Mechanical fastener components such as exterior screw threads (32) on housing (12) and interior screw threads (34) on an explosive accessory char... | 07/14/1998 |
| 5747722 | Detonators having multiple-line input leads A detonator (10) is equipped with an input lead (29) having multiple signal transmission lines (30, 31) which provide redundant initiation signals to the target charge (14) of a detonator (10, 10') thereby increasing the reliability of initiation. The mul... | 05/05/1998 |
| 5743492 | Payload housing and assembly joint for a launch vehicle A launch vehicle payload housing and assembly joint for a launch vehicle, the housing comprising a shroud having first and second shell sections, and a frusto-conical payload adapter mounted in the shroud. The shell sections are connected together to form... | 04/28/1998 |
| 5708228 | Method and apparatus for transfer of initiation signals A method and apparatus for transferring non-electric blasting initiation signals from detonating cord signal donor lines to signal transmission tube acceptor lines involves disposing the acceptor line in enhanced signal transfer configuration with the don... | 01/13/1998 |
| 5705768 | Shaped charges with plastic liner, concave recess and detonator means A shaped charge is provided which includes an elongate container or housing having a concave recess in an upper end thereof. Explosive is located or provided within the container and at least below the concave recess. Detonator means are provided within t... | 01/06/1998 |
| 5703320 | Connector for blast initiation system A connector device (10, 214) for transferring a nonelectric blast initiation signal from a donor line (26, 224) to an acceptor line, e.g., an input stub (24, 217) has donor line retaining means (20a, 20b, 229) for disposing a donor line (26, 224) in signa... | 12/30/1997 |
| 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 |
| 5665932 | Initiation of blasting The invention provides a method for the initiation of blasting. The method comprises the steps of initiating a detonation in an initial shock robe and causing the detonation to propagate along the interior of the shock robe. The detonation in the initial ... | 09/09/1997 |
| 5614693 | Accessory charges for booster explosive devices An accessory charge (20) for mounting on a booster explosive device (10) is preferably of toroidal configuration including a hub opening (29) dimensioned and configured to engage the accessory charge (20) with the booster device (10). The booster device (... | 03/25/1997 |
| 5597974 | Shaped charge for a perforating gun having a main body of explosive including TATB and a sensitive primer A shaped charge includes a main body of explosive and a primer adapted to detonate said main body of explosive. In accordance with the present invention, the main body of explosive now includes an explosive composition known as sym-triaminotrinitrobenzene... | 01/28/1997 |
| 5529264 | Launch vehicle system A launch vehicle system includes at least one primary solid fuel motor, a shroud for housing a payload and an attitude control system. The attitude control system is connected intermediate the primary solid fuel motor and the shroud. It has a circular out... | 06/25/1996 |
| 5413046 | Shock tube assembly A signal transmission tube assembly includes a signal transmission tube, such as a coil of shock tube on a spool, having opposite terminal ends and containing a reactive material. The open terminal ends of the shock tube provide the sole exits for the sig... | 05/09/1995 |
| 5398611 | Low energy blasting initiation system, method and surface connection therefor A low-energy blasting initiation system, method and surface connection is disclosed for low-noise, time controlled transmission of an initiation signal from a signal initiation source to a plurality of remote blasting elements. A connector block of the sy... | 03/21/1995 |
| 5365851 | Initiator device An initiation fixture (16) for an impulse transmission tube comprises a sleeve (30) having an internal longitudinal bore. The sleeve (30) is dimensioned and configured to receive a shock tube (10) in one end and a primer cap (28) in the other. An internal... | 11/22/1994 |
| 5267513 | Detonation through solid-state explosion fiber bundle An explosive round is formed by a bundle of fibers made of explosive matel held in peripheral contact with each other within an outer casing. Axially extending channel passages thereby extend between the fibers to conduct shock waves periodically impacti... | 12/07/1993 |
