In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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 |
| 7219463 | Methods and apparatus to secure a safety catch in a jammed position Methods and apparatus to secure a bolt in a jammed position are disclosed. A disclosed firearm includes a housing; a mounting bracket carried by the housing; and a cocking slide slidably engaging the mounting bracket external to the housing. The cocking slide is eng... | 05/22/2007 |
| 7121271 | Anti-pinch bolt An anti-pinch bolt is provided for use with a paintball marker having an automatic reloading mechanism comprising an instrument connected to the bolt by a pin for moving the bolt between a loading and a loaded position. The bolt comprises a tubular bolt body having ... | 10/17/2006 |
| 5383389 | Ammunition indexing mechanism An ammunition indexing mechanism for moving, responsive to actuation of a trigger mechanism, a cartridge from a selected one of a pair of opposed feedports in a weapon receiver and into alignment with a firing chamber of a barrel assembly of the weapon, h... | 01/24/1995 |
| 5359921 | Gun bolt accelerator mechanism A novel mechanism for moving a gun bolt toward and away from a firing chamber of a barrel assembly having movement relative to a receiver in a cartridge-firing weapon, having a camming channel formed in the receiver of the weapon, uses a rack member havin... | 11/01/1994 |
| 5347912 | Elements for decelerating the recoil of the moving parts of a fire arm Elements for decelerating the recoil of the moving parts of a fire arm of the type with a casing (12) having mobile moving parts (3) bearing a mobile barrel (4) and a striker (13), whereby the drive element of said striker (13) consists of a kinematic cha... | 09/20/1994 |
| 5155292 | Heavy support weapon A heavy support weapon, for example, of 30 mm caliber, designed for firing from conventional machine gun mounts without undue recoil loads transferred to the gun mount. The weapon is designed for first round accuracy whether in the automatic open bolt or ... | 10/13/1992 |
| 4867040 | Self-unlocking device for recoiling bolt carrier and barrel in a semi-automatic rifle A semi-automatic rifle including a recoiling barrel adapted to carry rearward the elongated bolt carrier containing the bolt for compressing the recoil spring, and a self-unlocking device including a self-unlocking rod longitudinally slidably mounted on t... | 09/19/1989 |
| 3938422 | Automatic firearms having a bolt assisted by an additional mass An automatic firearm having a bolt which recoils upon each shot and an additional mass mounted for sliding parallel to the bolt and fastened to the bolt by an amplifying lever which is pivotally mounted on the bolt by a transverse pin and which has a rest... | 02/17/1976 |
| 3930433 | Automatic firearms with bolt assisted by an additional mass An automatic firearm has a recoiling bolt connected by an amplifying lever to an additional mass subjected to the action of a recoil spring. One arm of the lever, via a push member, holds in a position of rest a stop pawl which is capable, when it is in a... | 01/06/1976 |