Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7340987 | Conversion platform for a .45 ACP pistol A method of modifying a .45 ACP pistol having a slide and a receiver defining a magazine well includes the steps of reducing the size of the magazine well and shortening the slide. The slide includes a breech face and a proximal end and the magazine well includes a ... | 03/11/2008 |
| 7299737 | Method and apparatus for an action system for a firearm A method and apparatus providing an action system for a firearm. The action system includes a primary roller-lock mechanism located rearward of an ejection port. The primary roller-lock mechanism includes a bolt and a first primary roller caged within the bolt. A bo... | 11/27/2007 |
| 7287456 | Breech-block system for a firearm A breech system for a firearm exhibits a breech which can be locked in its movement in the barrel block by at least one locking element, which is pressed against the rear end of the barrel by means of a breech spring surrounding the rigid barrel of the weapon, the b... | 10/30/2007 |
| 7278358 | Non-lethal marking bullet for related training cartridges A projectile of non-lethal composition includes an outer casing that is substantially sealed prior to impact with a target both when the projectile is in a static condition and when the projectile is in a dynamic condition. A marking material is encapsulated within ... | 10/09/2007 |
| 7225741 | Reduced energy training cartridge for self-loading firearms A two piece, two-stage, rechargeable, reusable, reduced-energy mechanically operating cartridge is provided for launching a bullet of various compositions from a dedicated or modified firearm. The cartridge unit is comprised of a primary case, a piston sleeve, a pro... | 06/05/2007 |
| 7146973 | Launching device A launching device of the present invention includes a launch unit having a first coupling element and a second coupling element. A barrel may be releasably connected to one of the first and second coupling elements and a cylinder may be releasably connected to the ... | 12/12/2006 |
| 7055422 | Reduced recoil anti-armor gun An improved Barrett anti-armor gun that is modified to function from the open bolt with advanced primer ignition, wherein the forward momentum of the recoiling masses at the moment of firing offset a significant portion of the recoil impulse from firing. The modific... | 06/06/2006 |
| 7047686 | Versatile M1911-style handgun and improved magazine for rifles and handguns An improved M1911-style handgun employs redistributed masses for a slide and bull barrel to reduce perceived recoil and muzzle flip when the gun is fired. The gun operates with cartridges having .50 caliber cases, bullets of .50 caliber or less, and 45 ACP-sized bas... | 05/23/2006 |
| 6964220 | Floating barrel handgun method of recoil elimination A floating barrel gun design, a design in which a propellant gas discharge is used to counterbalance the recoil force of the gun, has been improved to include a novel automatic mechanical mechanism which allows the floating or inner barrel to be held stationary with... | 11/15/2005 |
| 6931978 | Rebound attenuation device for automatic firearms A blow-back operating automatic firearm has a sliding mass carried with its bolt carrier assembly to increase the dwell time of the bolt at the breech when the bolt is in battery position for firing. The sliding mass reduces the tendency of the bolt to bounce-off th... | 08/23/2005 |
| 6761102 | Recoil control mechanism for a weapon A recoil control mechanism for a weapon which fires a projectile which is characterized by the generation of a forward counterforce to the rearward recoil simultaneously with absorption of rearward recoil force upon initiation of propoulsion of the projectile. The f... | 07/13/2004 |
| 6595103 | Inertial breechblock gun system A contained Davis gun system enables misfire and hang-fire handling for fire out of battery (also known as soft recoil). The gun system decreases structural dynamic activity of the gun barrel during launch with resulting increases in system accuracy. The ... | 07/22/2003 |
| 6357331 | Two-piece barrel for low-energy training ammunition A conversion kit for a recoil-operating automatic pistol to convert it to direct blow-back operation utilizes a two piece barrel having chamber and muzzle portions that may be threaded together. The chamber portion is first installed on the receiver by in... | 03/19/2002 |
| 6112636 | Gas-operated pistol A gas-operated pistol which comprises a frame having a handgrip and adapted to receive a magazine. A slide is mounted for alternating longitudinal movement along the frame. A barrel is provided which is able to pivot at its muzzle end and rotate upwards f... | 09/05/2000 |
| 5974942 | Ejection-assist mechanism for automatic firearms A barrel for an automatic firearm which cycles on recoil action is provided with a transverse pin extending across the top of the rearward portion of the chamber. This pin nests within the extraction groove of a cartridge sing during firing. On cycling,... | 11/02/1999 |
| 5854440 | Shoulder-launched multi-purpose assault weapon A shoulder-launched multi-purpose assault weapon having a modified spotting ifle with a top-mounted electrically fired rocket launcher tube is provided. The spotting rifle forms the base structure of the weapon and all weapon controls are located on the ri... | 12/29/1998 |
| 5835978 | Shoulder-launched multiple-purpose assault weapon A shoulder-launched multiple-purpose assault weapon having a modified spotter rifle with a top-mounted rocket launcher tube is provided. The spotter rifle forms the base structure of the weapon and all weapon controls are located on the spotter rifle. The... | 11/10/1998 |
| 5710389 | Breech bolt and lock assembly A breech bolt and lock assembly for a gas-operated firearm is provided. The ssembly is contained within a bolt housing which in turn contains a bolt operating spring and a two-part bolt mechanism. The two-part bolt has a cylindrical outer bolt which enclos... | 01/20/1998 |
| 5664357 | Weapon bolt assembly having premature ignition-preventing means A weapon bolt assembly includes a bolt portion including a recess; a firing pin unit including a striker plunger axially slidably received in the recess and having an axially measured length and a firing pin attached to the striker plunger. The firing pin... | 09/09/1997 |
| 5388500 | Delayed blow-back for firearms Applicant's device improves rapidly firing guns. When such a gun fires, applicant's device delays departure of the gun bolt from the chamber or barrel zone holding a spent round's casing until barrel pressure drops to a safe level. The device has a hollow... | 02/14/1995 |
| 4930239 | Dual action (function) integral target rifle A dual function semi automatic single shot rifle of simple, economical and durable construction is disclosed. A one piece receiver hollowed out for strength and weight reduction also acting as the rear stock houses a simple internal working mechanism, a s... | 06/05/1990 |
| 4889032 | Automatic firearm An automatic firearm of especially simple construction and easy maintainability, having an adjustable cyclic firing rate. The firearm has a receiver with an upper and lower portion. The upper portion defines a cavity in which a bolt assembly reciprocates.... | 12/26/1989 |
| 4803911 | Semi-automatic target pistol The invention relates to an improved semi-automatic target pistol. The improvements featured are: a tubular magazine that accommodates cartridges nose-to-tail fashion, and from which the cartridges are extracted singly and transferred to the bore by a piv... | 02/14/1989 |
| 4704944 | Semi-automatic pistol A semi-automatic pistol comprises a spring driven mobile striker assembly. t its rear the spring is coiled on a post and abuts an aft stationary plate. The striker assembly comprises an integral rear plate with a hole adapted for the penetration of the pos... | 11/10/1987 |
| 4649800 | Self-contained blowback-type firing unit A self-contained blowback-type firing unit insertable in a gun body as a discrete subassembly and including a barrel and bolt with a compression spring acting between them, characterized in that the barrel and bolt slide together on matching longitudinal ... | 03/17/1987 |
| 4575962 | Unitary bolt face and firing pin device A unitary bolt face and firing pin device for firearms consisting of a self-adjusting head space block on the front of the bolt assembly facing the chamber in firing alignment with the primer of a cartridge inserted into said chamber, the face of said hea... | 03/18/1986 |
| 4003292 | Rifle A firing mechanism for a semi-automatic rifle that provides a breech block and firing pin, each reciprocally movable simultaneously and independently in response to the firing of the rifle and the action of a pair of expansion springs positioned forwardly... | 01/18/1977 |
