Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7357059 | Mechanical initiating system for caseless ammunition A mechanical initiating system (10) for caseless ammunition including a weapon breech block and a powder body chamber adjoining the weapon breech block. A firing pin is axially displaceably arranged in a through hole (26) formed in the weapon breech bl... | 04/15/2008 |
| 7305786 | Pistol with loaded chamber indicator A centerfire autoloading pistol including a loaded chamber indicator to identify the presence of a cartridge loaded in the firing chamber. The pistol may generally include a housing having an external surface and defining a chamber to receive a cartridge, a barrel u... | 12/11/2007 |
| 7293385 | Modular trigger group for firearms and firearm having a modular trigger group A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housin... | 11/13/2007 |
| 7243453 | Pistol with firing pin locking mechanism A pistol including a mechanism that locks firing pin of the pistol. The firing pin locking mechanism may include a stopping member which may be selectively moved by a user of the pistol between first and second positions, and a movable blocking member that may be en... | 07/17/2007 |
| 7240600 | Rifle charging handle with ambidextrous latch A charging handle for a rifle having a housing. The handle has a body with an elongated bar having a forward end and a rear end. The bar has a bolt engaging element at the forward end, and a crossbar having an intermediate portion connected to the rear end of the ba... | 07/10/2007 |
| 7234261 | Pistol with lockable manual safety mechanism A pistol including a mechanism that locks manual safety of the pistol. The lockable manual safety mechanism may include a manual safety that engages the firing apparatus of the pistol to prevent discharge of the pistol when the trigger is pulled. The firing apparatu... | 06/26/2007 |
| 7231864 | Reciprocating barrel firearm apparatus A firearm apparatus includes a gun housing which includes a barrel support channel between a front gun housing portion and an intermediate gun housing portion. A reciprocating barrel is housed inside the gun housing and includes a piston-sleeve-contained barrel port... | 06/19/2007 |
| 7162824 | Modular trigger group for firearms and trigger group installation method A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housin... | 01/16/2007 |
| 7137217 | Auto-loading firearm mechanisms and methods Automatic and semi-automatic firearms of remarkably reduced mass yet capable of long-range accuracy because of unique recoil reduction are characterized by (A) a temporary combination of a barrel, an integral breech and a separable chamber that in operation of the f... | 11/21/2006 |
| 7096577 | Explosively actuated tools A firing mechanism of an explosively actuated tool for driving a fastener into a substrate includes a cocking rod and sear for entraining the firing pin with the firing pin being releasable on cocking by rotation of the sear. The cocking rod and sear form a structur... | 08/29/2006 |
| 7017495 | Gun firing method for dispersion of projectiles in a pattern A method for the dispersion of projectiles from guns capable of firing multiple projectiles in rapid succession whereby some of the projectiles are modified by moving the center of mass of the projectile away from it's central axis and oriented prior to firing. This... | 03/28/2006 |
| 6257116 | Pistol A slide action pistol including a frame; a barrel supported on said frame and having a bore on an axis of the barrel; a handgrip portion of the frame provided with a cavity therein for receiving a magazine; a firing assembly including a trigger, hammer an... | 07/10/2001 |
| 6234058 | Semiautomatic pocket gun and ammunition Semiautomatic pistol which is small enough to be carried in a pocket or otherwise concealed on the body of a person, and caseless ammunition for use in the pistol. The pistol has a grip adapted to be held in the hand of a shooter, a barrel extending in a ... | 05/22/2001 |
| 5974941 | Semi-automatic revolver An automatic revolver has a body, a barrel arranged in the body and having an inner passage provided with a thread-like formation, an ammunition-containing element from which a bullet is displaced into the barrel, the barrel being turnable relative to the... | 11/02/1999 |
| 5675924 | Ejection device for firearm Ejection device for a firearm having an automatic or manual cycle, wherein the firearm includes a frame (1), a barrel (2) mounted on this frame (1) and which is equipped with a firing chamber (3) and movable elements (4) which can be moved backward in rel... | 10/14/1997 |
| 5668343 | Gatling type multi-barrel weapon with sliding chambers A GATLING type multi-barrel weapon includes a revolving assembly with sliding loading and firing chambers that are in axial alignment with the barrels of the weapon. Each chamber is able to move between an open and a closed position following a translatio... | 09/16/1997 |
| 5370036 | Telescoped ammunition revolver gun Enclosed is a self-powered telescoped ammunition revolver gun, including a frame which mounts a revolver cylinder having circumferentially spaced chambers and a cylindrical exterior surface on which is formed at least two U-shaped open cam channels, each ... | 12/06/1994 |
| 5202530 | Light armor piercing automatic rifle A light armor piercing weapon, which is hand carried by a single man, is provided for firing or launching armor piercing rocket propelled projectiles. A propellent pack is worn or carried by the soldier along with a launching rifle. Unsymmetrical dimethyl... | 04/13/1993 |
| 5111732 | Automatic weapon with small barrel for rapid firing A medium caliber automatic firearm with a high firing rate including a star drum which revolves in indexed fashion and which is in line with and driven by a cylinder star wheel, whose rotation is synchronized with that of the star drum, is mounted to the ... | 05/12/1992 |
| 4993312 | Automatic hand weapon The barrel of an automatic hand weapon is held stationary in a weapon housing in which an axially symmetrical bore is formed perpendicularly to the barrel axis, a cylinder-shaped cartridge chamber housing being disposed within said bore and being adapted ... | 02/19/1991 |
| 4872391 | Gun for firing telescoped ammunition, plus searing means A self-powered, belt-fed automatic gun for firing cylindrical, telescoped ammunition is described. Mounted in receiver portions of the gun, to which a barrel is connected, are a shell chamber, a chamber carrier assembly, a shell rammer assembly and shell ... | 10/10/1989 |
| 4856410 | Firearm An automatic gas-operated forward recoiling combat shotgun has a reciprocally movable barrel which includes a bore and a revolving magazine which defines a circumaxially spaced series of firing chambers. In firing position one of the firing chambers is co... | 08/15/1989 |
| 4760663 | Firearm A firearm comprises a housing, a barrel extending in a first direction, a chamber structure, a trigger and firing means, wherein the chamber structure is constituted by a chamber member, which is separated from the barrel and is movable in the housing in ... | 08/02/1988 |
| 4748892 | Energy transfer multi-barrel gun A rapid rate of fire, multiple barrel gun employing triangularly shaped cartridges that are fed and ejected transversely to the barrels of the gun. Each barrel has its own separate feed and ejection system, that are driven in common in a synchronized but ... | 06/07/1988 |
| 4561340 | Two-barrel revolver-type firearm A two-barrel revolver-type firearm comprising two fixed barrels to be fired alternately, which are equipped with igniting systems and drives of their own, independent of each other. A drum with an odd number of chambers alternately aligns a chamber with e... | 12/31/1985 |
| 4535676 | Cooling arrangement for the gun barrels of firearms A cooling arrangement for the gun barrels of firearms, in particular automatic firearms and high-performance machine cannons. The arrangement includes radially outwardly directed cooling pasageways between the individual projectile chambers provided in th... | 08/20/1985 |
| 4348941 | Shoulder arm with swivel breech member A shoulder arm, especially a rifle, having a barrel, a recess, which is perpendicular to the axis of the barrel, formed in a member which is fixedly connected with the barrel, and a roller-shaped breech member coaxially arranged in the recess and capable ... | 09/14/1982 |
| 4197784 | Semi-automatic revolver A revolver includes a mechanism for automatically cocking the hammer and indexing the cylinder after each shot by utilizing gas pressure generated after cartridge ignition. The barrel includes a gas cylinder open at the rearward end and extending forwardl... | 04/15/1980 |
| 4159670 | Handgun A housing is provided, the housing including a grip portion having an aperture therein to receive the fingers of a hand and a frontal breech-enclosing portion disposed forwardly of the grip portion. A breech is mounted in the frontal housing portion. A ba... | 07/03/1979 |
| 4152857 | Means for loading small firearms including a box magazine and cartridge clips The invention relates to a loading arrangement for handfire-arms, in particular automatic rifles for firing caseless ammunition, comprising a magazine and a cartridge clip adapted to it. The cartridge clip retains the cartridges by two resilient tongues a... | 05/08/1979 |
| 4151782 | Handgun with indexing means A handgun which combines the reliability of a revolver and the convenience of an automatic wherein said handgun is provided with a barrel which moves forwardly in response to the firing of a cartridge. Said forward movement and the reverse thereof being r... | 05/01/1979 |
| 4102241 | High-rate-of-fire rifle mechanism or dual cyclic rate mechanism A rifle mechanism that will automatically fire, from a single barrel, a te-round burst at approximately 4,900 shots per minute (spm) without the use of a round counter, is disclosed. The rifle mechanism includes a cam and follower mechanism. The cam path... | 07/25/1978 |
| 4050174 | Revolver gun A revolver pistol which ejects the spent cartridge after each shot. The gun block is fitted with an open side port. The recoil of the cartridge during firing drives back the hammer and breechblock, with the cartridge ejecting through the open port. The br... | 09/27/1977 |
| 4024793 | Energy absorbing device and detent for constant recoil slide A clamp and wedge attachment to fixed and moving components frictionally ages the components which become disengageable upon application of overriding forces. The wedge has an enlarged detachable loading end which fits between two tines of the clamp whic... | 05/24/1977 |
| 4004363 | Rotatable cartridge chamber for firearm type weapon A rotatable cartridge chamber for a firearm type weapon in which the chamber is rotatable in the weapon at the rear end of the barrel and has cartridge chambers therein. The chamber receives cartridges from a magazine parallel to and adjacent the barrel i... | 01/25/1977 |
| 3997994 | Shoulder arm with swivel breech member A shoulder arm, such as a rifle, having a breech member which can be swivelled about an axis which is perpendicular to the axis of the barrel for loading the breech member contains a firing chamber which is in alignment with the barrel in is firing positi... | 12/21/1976 |
| 3954042 | Firearm construction, particularly a compact hand firearm A firearm, particularly a compact weapon for firing caseless ammunition, comprises a support having a handle and a firing trigger adjacent the handle connected to a firing mechanism in the butt preferably for firing caseless ammunition. A plurality of bar... | 05/04/1976 |
