In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 7353739 | Arrangement for weapon An arrangement for a weapon including a countermass for reducing the pressure around the weapon. The countermass is enclosed in a countermass container that can be opened at both ends. The invention aims to bring about a symmetrical opening with favorable recoil in ... | 04/08/2008 |
| 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 |
| 7207130 | Over-and-under shotgun apparatus and method An over-and-under shotgun apparatus includes a radius track which serves as a hinge for articulating the barrel portion of the shotgun apparatus relative to the receiver/stock portion of the shotgun apparatus. The radius track is defined by a female or concave porti... | 04/24/2007 |
| 7191693 | Arrangement for weapon An arrangement for a weapon including a countermass for reducing the pressure around the weapon. The countermass is enclosed in a countermass container with an openable cover provided with break indications. The arrangement brings about a symmetrical opening operati... | 03/20/2007 |
| 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 |
| 6460446 | Sonic rarefaction wave recoilless gun system A low recoil and low bore heat gun system provides a delayed pressure release mechanism for fired propellant charges in the rear gun barrel section. The delayed pressure release of the exhaust gases causes a sonic rarefaction wave along the length of the ... | 10/08/2002 |
| 6044746 | Projectile propulsion assembly that limits recoil force The present invention relates to a projectile propulsion assembly of the type comprising a chamber housing a pressure source. The chamber which houses the pressure source communicates with at least one pipe placed inside the launch tube and having bores d... | 04/04/2000 |
| 5837919 | Portable launcher A launcher is disclosed having means for directing and concentrically spreading, as well as dispersing, exhaust gases created by an internal combustion of an object, such as a missile, that is operatively launchable therefrom. The concentric duct provides... | 11/17/1998 |
| 5357841 | Recoilless projectile launcher A projectile launcher and in particular a mass/countermass projectile launcher in which the piston intercept(s) comprises a braking collar (8) made of a material which exhibits constrained progressive crushing. When a projectile (18) is fired the launchin... | 10/25/1994 |
| 5076136 | Electromagnetic launcher system Electromagnetic launcher apparatus which includes a set of projectile rails and a set of switch rails both lying along a common longitudinal axis. An armature assembly includes at one end thereof a switching armature for conduction of current between the ... | 12/31/1991 |
| 5054224 | Apparatus and method for a composite polymer rifling disposable gun tube An apparatus and method for producing a disposable composite laminate gun th polygon rifling and integrally fabricated conically shaped chamber section. A polygonal shaped barrel mandrel is joined with a radial segmented chamber mandrel, wound with altern... | 10/08/1991 |
| 4962689 | Gas generator missile launch system A missile launching system with an open-ended cylindrical container (10) having a bore in which a slidable piston (20) is located between the missile (12) and a gas generator (14) adjacent the container aft end (16). The piston (20) area is substantially ... | 10/16/1990 |
| 4676136 | Apparatus for recoilless firing of projectiles from a lauching tube An apparatus for recoilless firing of projectiles from a launching tube comprises within the launching tube a forward brake ring, a forward sabot, a propellant charge with an ignition element or screw, a rear sabot, a counter-mass, and a rear brake ring, ... | 06/30/1987 |
| 4452124 | Stabilizing tab for missile launcher A launch tube (2) for launching a missile (4) is supported by a single base (6) which enables the tube (2) to pivot about orthogonal yaw and pitch axes. An aerodynamic stabilizing trim tab (20) is positioned within the interior rear of the launch tube (2)... | 06/05/1984 |
| 4404887 | Recoil reducer A missile launcher tube from which a missile is fired from a forward end causing gases to exit out the aft, or exhaust gas, end of a launcher tube in which the aft end is provided with a conical surface (flare) forming a nozzle so that as the missile exit... | 09/20/1983 |
| 4327624 | Tip off rate reducer Disclosed is a launcher-missile system with the launcher tube provided with a configuration on its aft end so as to reduce the tip-off rates of the system. The configuration comprises the formation of an open sector in the flared end of the launcher tube ... | 05/04/1982 |
| 4203347 | Shock suppressing apparatus and method for a rocket launcher A shock suppressing device adapted to be attached to the aft end of a shoulder-fired rocket launcher. The device comprises a cylindrical housing defining a substantially enclosed expansion chamber having a diameter and cross-sectional area greater than th... | 05/20/1980 |
| 4141275 | Afterburner recoilless rifle Rearwardly exhausted powder gases from a recoilless rifle are combined with ir and combusted in an afterburner that is attached to the rifle. Thrust produced by the combustion is utilized to assist in counter-recoil.... | 02/27/1979 |
| 4091709 | Recoilless rifle nozzle A plate having a plurality of small openings therein mounted to the exit t of a recoilless weapon for reducing the depth of penetration of the disturbed gas field without significantly effecting the recoil reduction characteristics of the weapon.... | 05/30/1978 |
| 4043248 | Liquid propellant gun (recoilless regenerative piston) A liquid propellant gun has a combustion chamber which receives liquid propellant from a differential piston operating in a supply chamber, has a gun barrel for the discharge of a projectile, and a balancing nozzle for the discharge of combustion gas. The... | 08/23/1977 |
| 4026189 | Projectile locking device The invention provides a projectile locking device for a recoilless weapon whereby the projectile is positively locked in a position within the barrel of the weapon so that the projectile cannot be displaced therefrom, for example, in the event that the w... | 05/31/1977 |
| 3946637 | Mortar with variable vent for adjusting velocity of a single charge cartridge A variably adjusted vent communicates with the interior of a mortar tube. adjusting the vent setting, the velocity of a single charge cartridge can be varied. In one embodiment of the invention, the vent discharge is exhausted below the base plate of the... | 03/30/1976 |