Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
PatentStorm News
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 |
| 7273002 | Method and device for increasing the rate of the firing cycle of a semi-automatic firearm A device and method for increasing the rate of the firing cycle of a semi-automatic firearm includes a base that is adapted to support any one of a variety of semi-automatic firearms. The base includes a trigger extension with a grip, a slide mount, and a slide hous... | 09/25/2007 |
| 6912945 | Artillery firing system A recoil buffering apparatus for use with an artillery gun of the type comprising a breech assembly (15) connected to a barrel (12), the breech assembly (15) having a firing mechanism for firing a projectile through an open end of the barrel ( | 07/05/2005 |
| 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 |
| 6343536 | Automated projectile firing weapon and related method An automatic projectile firing weapon and a related method for absorbing the recoil force of an automatic projectile firing weapon are disclosed. The weapon includes a barrel assembly that is slidably mounted in a receiver, biased by an operating spring, ... | 02/05/2002 |
| 5827991 | Fire arm with moveable barrel A firearm with an automatic cycle, includes a frame (1), a barrel (2) mounted on this frame (1) and at least one breech bolt (3) mounted in a movable manner in relation to the frame, whereby the barrel (2) and the breech bolt (3) can be separated so as to... | 10/27/1998 |
| 5014595 | Redirected recoil mechanism The present invention provides a recoil-redirecting mechanism for a gun which includes a frame, a gun barrel assembly having a barrel and a receiver with a bolt therein. The gun barrel assembly is slidably mounted to longitudinally reciprocate on the fram... | 05/14/1991 |
| 4689911 | Grenade launcher attachment for infantry weapon A grenade launcher and attachment for use on an infantry weapon, such as a rifle. The launcher fires grenades of the type which have a hollow tubular rear chamber slidably mounted on a guide rod and a piston head fitted into the bore of the chamber to sea... | 09/01/1987 |
| 4019423 | Automatic or semi-automatic firearm A stable automatic or semi-automatic firearm having a differential recoil system in which an open bolt has a designed mass and closing velocity to impact and drive a reciprocating barrel forwardly without rebound and remain locked to the barrel during the... | 04/26/1977 |
| 3969982 | Apparatus for damping the forward and return movements of an automatic firing weapon An apparatus for damping the forward and return motion of an automatic firing weapon comprising a weapon mount, a weapon housing and a weapon barrel, movement of the weapon housing is dampened with respect to the weapon mount by a first annular spring, wh... | 07/20/1976 |
