"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8186091 | Exchangeable choke for a fire arm with a smooth gun barrel Exchangeable choke for a fire arm with a smooth gun barrel, whereby said choke is provided with mechanical coupling means to mount and dismount the choke, characterized in that the choke is equipped with additional sealing means so as to seal the choke, at least in ... | 05/29/2012 |
| 8112931 | Shotgun gas exchanger A shotgun gas exchanger comprising a gas exchanger tube for connectively engaging with a shotgun barrel and a choke disposed in the gas exchanger having longitudinal axial channels on the exterior surface thereof, such that gas from the shotgun barrel flows through ... | 02/14/2012 |
| 7895787 | Porting feature for firearm A choke for use with a shotgun is provided. In accordance with one embodiment the choke has a body that defines a bore with a longitudinal axis therethrough. The body is configured for engagement with a shotgun, and the bore is positioned for traversal of a wad and ... | 03/01/2011 |
| 7523581 | Shot pattern control system The invention relates to systems, methods and devices for controlling the dispersion of shot or other projectiles fired from a weapon such as a shotgun. Embodiments according to the invention employ an inner cylindrical chamber that is divided at a median transverse... | 04/28/2009 |
| 7353741 | Gun barrel assembly A firearm barrel assembly having a gun barrel with a muzzle opening on a distal end, a shroud coaxially surrounding at least a portion of the barrel, the shroud having a distal portion extending beyond the muzzle opening defining a shroud front region having a dista... | 04/08/2008 |
| 7305788 | Battering ram with explosive discharge A noise generation device is taught which is used in conjunction with a shotgun generating a blast which has a) at least one chamber for receiving the blast from the barrel; b) a connecting bolts for joining the one chamber to the barrel; c) at least one exhaust por... | 12/11/2007 |
| 7302774 | Flash suppressor apparatus and methods Flash suppressors having novel expansion features are disclosed. In one embodiment, a suppressor apparatus includes an attachment portion adapted to attach to a gun barrel, and a suppressor portion coupled to the attachment portion. The suppressor portion has a supp... | 12/04/2007 |
| 7191557 | Firearms, grips for firearms, and methods for using the same Firearms, grips for firearms and methods of using the same are disclosed. An example grip includes an exterior grip defining an inner bore; a slider located within the bore for axial movement relative to the exterior grip, the slider having a projection to selective... | 03/20/2007 |
| 7174833 | Shotgun shell flight path indicator A shotgun shell flight path indicator is described which in general includes a shell casing having a primer end having a primer, a propellant disposed within the interior of the casing proximate to the primer adapted for ignition by the primer, and a non-combustible... | 02/13/2007 |
| 7171904 | Shotgun shell flight path indicator A shotgun shell flight path indicator is described which in general includes a shell casing having propellant disposed within the interior of the casing proximate and a non-combustible indicator positioned within the casing. The indicator generally has a sufficient ... | 02/06/2007 |
| 7140140 | Choke tube Different colors are prepared for inner shapes that define different design ballistic patterns. Wear resistant coatings of the different colors are applied over outer surfaces of tube bodies having the design ballistic patterns corresponding to the colors of the wea... | 11/28/2006 |
| 7076905 | Pneumatic paintball marker, universal barrel, adaptor and insert combination The present invention comprises a pneumatic paintball marker for use with an adaptor, the pneumatic paintball marker comprising a marker body which has a back portion and a front portion. The back portion is adapted to receive a paintball and the front portion is ad... | 07/18/2006 |
| 7059235 | Adjustable muzzle stabilizer for repeating firearm A muzzle stabilizer for a repeating firearm is described. The muzzle stabilizer includes a tubular body having two or more gas vents for venting gas in an average direction that exerts a corrective force for counterbalancing muzzle climb during periods of repeating ... | 06/13/2006 |
| 7047862 | MK38 small caliber dearmer aiming device The invention, as embodied herein, comprises an aiming device that is attached to the end of the barrel of a dearmer or gun system in order to more quickly and more precisely align the dearmer or gun system with precise, small target. The aiming device also ensures ... | 05/23/2006 |
| 7036259 | Casing for firearms A casing for firearms, comprising a metal sleeve (15) on which is stably applied, through attachment means, a barrel (12), an inner element (14) made from polymeric material for the anchoring of said sleeve (15) and an outer shell (13 | 05/02/2006 |
| 7000345 | Underbarrel shotgun A shotgun comprises a receiver made from a first material; barrel having a portion extending into the receiver and made from a second material; a collar nut securing the barrel to the receiver; a bolt assembly disposed within the receiver and including a locking blo... | 02/21/2006 |
| 6990764 | Shotgun attachment A tube and ring assembly is provided for use with a shotgun barrel including a cylindrical tube, which may be a conventional choke tube or a carrier platform, with a first externally threaded portion at one end for threadingly engaging an internal thread in the shot... | 01/31/2006 |
| 6935063 | Triple-barrel shotgun A break down triple-barrel shotgun includes three barrels, having two bottom barrels and one top barrel positioned on top of the two bottom barrels. In this respect, the triple-barrel shotgun has features of both side by side and over and under shotguns. The triple-... | 08/30/2005 |
| 6923292 | ATTACHMENT FOR RECOIL, NOISE, BLAST AND FLASH SUPPRESSION OF THERMODYNAMIC JETTING DEVICES SUCH AS FIREARMS, HIGH PRESSURE EXHAUST MECHANISMS AND OTHER HEAT ENGINE DEVICES, WHICH PRODUCE SUCH JETTING EXHAUST ACTION AS A RESULT OF THEIR FUNCTION Our invention describes a muzzle or exit exhaust attachment for firearms or other thermodynamic heat engine jetting devices and incorporates magnetic field diversion design features not previously utilized to increase efficiency in the reduction of noise, flash, bar... | 08/02/2005 |
| 6789343 | Automatic choke system An automatic choke system for automatically adjusting the amount of choke applied to a series of shots discharged from shotgun. The automatic choke system includes a tube assembly with a plurality of longitudinal slits within the distal end thereof, a collar unit at... | 09/14/2004 |
| 6782651 | Breaching tool A breaching tool assembly is provided for use with a shotgun barrel including a cylindrical carrier tube with a first externally threaded portion at one end for threadingly engaging an internal thread in the shotgun barrel. A second externally threaded portion is pr... | 08/31/2004 |
| 6609324 | Adjustable shotgun choke device An adjustable shotgun choke device for allowing the user to change the choke constrictions without unscrewing one choke and screwing another choke into the barrel of the shotgun. The adjustable shotgun choke device includes a tubular member having open en... | 08/26/2003 |
| 6557290 | Adjustable shotgun choke The present invention is a light weight low profile variable shotgun bore choke that is easily manually adjusted by the user. To minimize the choke profile, the choke is connected to the shotgun through a threaded connection within the muzzle bore. Extern... | 05/06/2003 |
| 6421945 | Muzzleloading shotgun with choke A muzzleloading shotgun has a barrel with a constant inside diameter that flares outwardly a short distance from the muzzle to a constant diameter. The muzzle end of the barrel has exterior threads which receive the interior threads of a choke. The choke ... | 07/23/2002 |
| 6385891 | Adapter for attaching sound suppressors or other auxiliary devices to weapons An adapter for attaching sound suppressors or other auxiliary attachments, such as a grenade launcher, to a weapon having a flash suppressor mounted on the end of a gun barrel. The adapter includes an adapter pilot specific to the caliber of weapon. Inter... | 05/14/2002 |
| 6339992 | Small charge blasting apparatus including device for sealing pressurized fluids in holes The present invention is directed to a small charge blasting system that provides a relief volume for a pressurized working fluid in the bore of a barrel that is inserted into a hole in the material to be broken, an end cap on the barrel to inhibit the en... | 01/22/2002 |
| 6308609 | Suppressor A method and an apparatus for suppressing muzzle blast and/or muzzle crack in a weapon. An apparatus for reducing muzzle blast upon discharge of one or more projectiles from a gun includes an outer shell and a first end cap adapted to be secured to a muzz... | 10/30/2001 |
| 6302009 | Gun noise and recoil suppressor A noise and recoil suppressor that is intended to be mounted within the terminal portion of a firearm barrel. The suppressor is a unitary structure having a cylindrical body and a plurality of chambers extending transversely therethrough and spaced-apart ... | 10/16/2001 |
| 6289782 | Spotting rifle barrel aligning and retaining system A spotting rifle barrel is aligned and retained relative to a launch tube and a spotting rifle receiver housing. A first annular lug is coupled to an outer portion of a breech end of the spotting rifle barrel. A second annular lug is coupled to an inner p... | 09/18/2001 |
| 6289620 | Smooth bore rifle barrel A smooth bore rifle barrel (10) comprising an initial portion or cartridge chamber (11), an intermediate portion or bore (12), a final portion, composed of a muzzle section (15, 16) and a terminal portion (13, 14) with a fixed choke or built in a manner t... | 09/18/2001 |
| 6128846 | Length shotgun choke tube An improved shotgun choke tube or fixed shotgun shot choking system is provided in which the 3-dimensional tightness or compactness of the pattern is achieved by the placement of radial projections within the choke tube at a selected distance from the muz... | 10/10/2000 |
| 6112447 | Shotgun choke A shotgun choke characterized by multiple, radially-arranged, longitudinal blades having blade edges of selected size and shape for contacting and scoring a wad containing the shot in a shotgun shell, causing the wad panels to open upon expulsion from the... | 09/05/2000 |
| 6079311 | Gun noise and recoil suppressor A noise and recoil suppressor that is intended to be mounted within the terminal portion of a firearm barrel. The suppressor is a unitary structure having a cylindrical body and a plurality of chambers extending transversely therethrough and spaced-apart ... | 06/27/2000 |
| 6052935 | Shotgun choke tube The present invention relates to a shotgun choke tube including a cylindrical body having an interrupted thread section located on its outside surface. A continuous thread section made up of at least one continuous full thread circumscribing the cylindric... | 04/25/2000 |
| 6032398 | Choke tube wrench A choke tube wrench for installation and removal of a choke tube in a shotgun barrel, such tool utilizable for a plurality of different gauge shotguns, such tool having an expandable section that fits within the choke tube and is expanded by squeezing the... | 03/07/2000 |
| 5666756 | Shotgun having light weight interchangeable barrel tubes with improved fit A tubular insert for a shotgun such as an over/under shotgun provides a chamber end portion with a smooth outer surface. In order to achieve a good fit between the tubular insert at the chamber end portion and the shotgun barrel at its breech, a polymeric... | 09/16/1997 |
| 5639981 | Barrel for muzzle loading firearm A barrel for a muzzle loading firearm. The inner cylindrical surface which defines the bore of the barrel has a main portion which is provided with rifling and a muzzle portion which is integral with the main portion which extends from the main portion to... | 06/17/1997 |
| 5631438 | Adjustable gas pressure deflector A gas pressure deflector system mounted on the exterior of a muzzle brake for a firearm barrel. The gas pressure deflector system comprises two deflectors adjustably positioned along the longitudinal axis of the brake to bracket the muzzle brake vent aper... | 05/20/1997 |
| 5452535 | Shotgun shell wad/shot cup retarding device A shot cup retardation device including circumferentially spaced and radially protruding ridges, pins, studs, or set screws; or an applied grit around an inner circumference of a barrel; or a plurality of continuous circumferential ribs arranged axially s... | 09/26/1995 |
| 5394634 | Shotgun barrel A short length shotgun barrel exhibiting high accuracy and reduced felt recoil, and providing for interchangeability of loads containing shot pellets and slugs. The barrel includes an elongated and tapered forcing cone, a backbored region between the muzz... | 03/07/1995 |