"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7191775 | Gun replica A gun replica includes a grip portion, a gun butt portion detachably connected to the grip portion and a cylinder portion received in a barrel portion which is detachably connected to the grip portion and having a piston movably received inside the cylinder portion ... | 03/20/2007 |
| 6901689 | Firearm pneumatic counter-recoil modulator and airgun thrust-adjustor An inexpensive generally retrofitable drop-in cartridge-unit of light-weight pneumatic-cylinder design for replacing the conventional metal/compression-spring member housed within the frame of a gun, thereby providing significantly smoother, quiter, more rapid, and ... | 06/07/2005 |
| 6557542 | Accumulator chamber for gun A gas accumulator is provided for attachment to a gun having a gun body, a compressed gas chamber in the gun body, and a compressed gas power source. The accumulator comprises a body portion defining a gas accumulator chamber and connector means for conne... | 05/06/2003 |
| 6371099 | Paint ball gun A paint ball gun includes a gun barrel mounted on a gun handle. The gun barrel is formed with parallel propelling and recuperator chambers for respectively receiving a propelling member and a recuperating unit. A connecting rod interconnects the propellin... | 04/16/2002 |
| 5339789 | Low-recoil firearm A low-recoil gun (10), in particular a compressed-air gun or hand firearm, is proposed, comprising a stock assembly (25) and a barrel assembly (20) displaceable relative to the stock assembly (25) in the longitudinal direction (B) of the gun (10). The bar... | 08/23/1994 |
| 5133331 | Recoilless air gun In a recoilless air gun in which opposing pistons are arranged to be propelled simultaneously in opposite directions when the gun is fired, to compress a charge of air to propel a projectile, the pistons are attached to opposing locations on an endless ch... | 07/28/1992 |
| 4870945 | Spring piston air weapon A spring piston air rifle comprises a pair of mutually opposed pistons working in a common cylinder. The pistons are interconnected by a flexible connecting chain to ensure conjoint movement of the pistons. To prepare the weapon for firing, the pistons ar... | 10/03/1989 |
| 4850329 | Firing mechanisms for air weapons A firing mechanism for an air weapon in which air is compressed in a cylinder and expelled through a discharge port in the cylinder to propel a projectile along a barrel by a piston executing a firing stroke. The mechanism comprises a piston slidably loca... | 07/25/1989 |
| 4771758 | Air weapon with air compression system having grooves for air transfer An air weapon air compression system of the type in which air is compressed in a cylinder and expelled through a discharge port, to propel a projectile along the barrel and fire it out of the weapon, by the rapid movement of a piston within the cylinder. ... | 09/20/1988 |
| 4473964 | Competition firearm A recoilless competition rifle or competition pistol with an action which is mounted and guided in the firearm so as to be longitudinally displaceable on bearings and which returns during firing. The bearings have special beddings which compensate for dev... | 10/02/1984 |
| 4369759 | Recoilless air weapon In a sporting air gun in the nature of a recoilless pressurized-air weapon, having a recoilable system which is translatably mounted so as to slide forward and backward on the gunstock of the weapon in a direction which is generally longitudinal. The reco... | 01/25/1983 |
| 4038961 | Pneumatic rifle and hand gun A pneumatic rifle and hand gun for discharging a projectile under the influence of a source of compressed gas such as air. The pressurization of the source is achieved by with pressure increasing mechanisms which compress atmospheric air in two separate s... | 08/02/1977 |
| 3964365 | Device for utilizing part of the recoil energy of a weapon The invention relates to a device for extracting part of the recoil energy of a weapon utilizing a barrel-braking- and counter-recoil system. A piston moving in a hydraulic cylinder is attached to a barrel; a storage-cylinder compresses a fluid during the... | 06/22/1976 |