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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8011355 | Cartridge-based air gun A cartridge-based air gun that fires a BB bullet or a resin bullet inside a cartridge using compressed gas, includes an engaging structure of an extractor that enables blowback and the automatic ejection of the cartridge. An extractor, which engages with a rim that ... | 09/06/2011 |
| 7412975 | Handheld gas propelled missile launcher A handheld gas propelled missile launcher which deploys projectiles of varying payloads through the muzzle, and a ballistic module for changing payloads expeditiously. ... | 08/19/2008 |
| 7350477 | Cake decorating mine The invention relates to a cake-surrounded, self-standing device for applying, and a method for applying a decorative colorful rain of edible particles or sugars to the existing frosting, icing or prepared surface of same cake by launching small edible and delicate ... | 04/01/2008 |
| 7337774 | Projectile firing device using liquified gas propellant Rifle (1) comprises barrel (2) and loading means (15) for introducing a projectile from magazine (7) into breech (4). The projectile is propelled by a compressed gas propellant initially stored as a liquid in canister (10). ... | 03/04/2008 |
| 7331108 | Method and device for using compressed gas as a weapon A knife includes a handle, a blade and a trigger. The handle has an internal cavity containing a compressed gas source and the blade is affixed to the handle. The blade has an internal bore running along a longitudinal axis from the handle to a point proximate a tip... | 02/19/2008 |
| 7293558 | System for launching lightweight elements during festive events A system for projecting light elements in the air, including: a casing connected to a reservoir containing the light elements and including an opening extending along a determined direction; a slide capable of sliding in the opening along the determined direction; a... | 11/13/2007 |
| 7252079 | Safe air-pressure-launched toy rocket system and method of entertaining A safe air-pressure-launched toy rocket system includes an air-pressure-launched toy rocket, a high pressure reservoir, a manual air pump connected to the reservoir and configured to enable a user to pump air into the reservoir to a high pressure, a valve connected ... | 08/07/2007 |
| 7246613 | Vehicle interdiction device and method A motor vehicle interdiction device with an elastic bladder inserted by hand or fired as an infrared seeking missile into an automobile exhaust pipe and inflated with a compressed gas cartridge. ... | 07/24/2007 |
| 7213589 | Compressed-gas gun A compressed gas injection device includes a projectile course for receiving and accelerating projectile bodies, a compressed gas housing which is connected to the projectile course and which is divided up into a compressed gas chamber and a working chamber by a par... | 05/08/2007 |
| 7175499 | Method for creating controlled pressure release in a pneumatic device The present invention provides a means for holding the components of the device, a means for storing gas under pressure which is maintained separately from the interior of the device until actuating, a means for releasing pressurized gas from the storage device into... | 02/13/2007 |
| 7083141 | Self-propelled projectile A self-propelled projectile which will maintain a straight trajectory through air or water. ... | 08/01/2006 |
| 7059316 | Paintball shooting structure for a paintball gun A paintball shooting structure includes a cartridge in combination with a percussion device to receive multiple paintballs therein and is provided for a paintball gun. When an impact section of a firing pin of the percussion device is struck, the striking force push... | 06/13/2006 |
| 6941693 | Paintball guns A paintball gun is disclosed which includes a data link for transferring data to and/or from a remote terminal. The link may be a contact or contactless one. A removable data carrier may be used. ... | 09/13/2005 |
| 6619278 | Non-lethal ammunition for a firearm A projectile assembly that enables a compressed gas powered projectile to be fired from a traditional ammunition firearm. The projectile assembly includes a casing that is shaped like the casing of traditional ammunition. A projectile is set into the tip ... | 09/16/2003 |
| 6568170 | Rocket with high pressure fueling module A rocket with a high pressure propellant module, comprising a toy bottle rocket that uses gases generated from the reaction between baking soda and vinegar. A mechanism controls the release of the gas formed by the chemical reaction and allows the gas to ... | 05/27/2003 |
| 6450160 | Confetti dispersion device A confetti discharge device includes a tube with an air cylinder located in one end of the tube and confetti packed in the tube between the cylinder and a discharge end of the tube. A release mechanism includes a stopper located in a mouth of the cylinder... | 09/17/2002 |
| 6241634 | Self-propelled arrow The present invention is a self-propelled arrow, consisting of an otherwise conventional hunting or target practice arrow that is propelled by CO2 and water, thus providing additional thrust to the arrow when shot from a bow. String inertia cau... | 06/05/2001 |
| 6112734 | Model gun with automatic bullet suppying mechanism A model gun with automatic bullet supplying mechanism comprises a pressure accumulating chamber from which a gas leading passage extends, a slider movable along a barrel structure, a pressure receiving portion fixed in the slider at the back of the barrel... | 09/05/2000 |
| 5962805 | Gas cartridge A cartridge has a case comprising a body housed telescopically within a sleeve. The body encloses a main chamber which contains gas under pressure, and a valve mechanism for venting gas from the chamber into an expansion chamber. The pressure of the gas i... | 10/05/1999 |
| 5947738 | Simulated weapon with gas cartridge A simulated weapon includes a pressure switch within the simulated weapon's barrel. The pressure switch responds to pressure changes within the weapon barrel to activate a light emitter. In response, the light emitter emits a beam of light that simulates ... | 09/07/1999 |
| 5909000 | System for shooting using compressed gas A shooting system providing a barrel with an open forward end and a closed rear end and a projectile containing a propellant under pressure located in the barrel. A wad in the bore has a forward holding member allowing the rearward portion of the projecti... | 06/01/1999 |
| 5839940 | Pressurized gas/water rocket and launcher therefor The present invention is directed to a liquid jet propelled rocket launcher and rocket. More specifically, it is directed to a toy which propels a rocket in a generally upward direction by a liquid-gas propulsion combination. Further, the present inventio... | 11/24/1998 |
| 5791327 | Personal protection device having a non-lethal projectile A combination cartridge 21! and grip 20! for propelling a projectile 28! having frangible walls 89! forming a cavity 93! for holding a disabling agent such that when the projectile strikes an object it will burst and spread the agent over the ta... | 08/11/1998 |
| 5786546 | Stungun cartridge A non-lethal incapacitating device comprises a pair of projectiles and trailing wires packaged in a cartridge mountable on the head of a stungun. The cartridge assembly includes a pair of light and directionally stable and non-invasive projectiles having ... | 07/28/1998 |
| 5713342 | Gas capsule manufacturing process A capsule loaded with a pressurized gas has a single front aperture sealed by an internal plug made of resilient material. The cartridge is loaded by placing it inside a pressurized chamber, then drawing the internal plug against the aperture before decom... | 02/03/1998 |
| 5700972 | Gas cartridge A cartridge has a case comprising a body (10) housed telescopically within a sleeve (14). The body encloses a main chamber (21) which contains gas under pressure, and a valve mechanism for venting gas from the chamber (21) into an expansion chamber (61). ... | 12/23/1997 |
| 5652405 | System for shooting using compressed gas A shooting system discharges a projectile having a chamber that stores a compressible fluid in a compressed state and having a valve mounted in a rear end of the projectile. The shooting system includes a longitudinal barrel having an opening on a front e... | 07/29/1997 |
| 5588896 | Toy balloon inflation and ejection device A rocket launching pad-like device for inflating and ejecting toy balloons that permits a balloon to be mounted directly on the device, permits the balloon to be inflated while mounted on the device, shields a child's face and eyes during inflation of the... | 12/31/1996 |
| 5499619 | Underwater dart gun A gun for projecting a dart underwater to inject a gas into an underwater animal. The inventive device includes a gun body having a barrel projecting therefrom. A dart having a pressurized propellant is punctured by the gun and caused to exit the gun barr... | 03/19/1996 |
| 5415153 | Pressurized air/water rocket and launcher The present invention involves a liquid jet propelled rocket and rocket launcher. The launcher has a housing which includes a vessel for holding pressurized air therein, an inlet to the vessel and an outlet from the vessel. Also, the housing has a jet tub... | 05/16/1995 |
| 5396830 | Orthogonal line deployment device A gas-propelled line deployment device is operable for orthogonally deplog two antenna lines to a distance of greater than one hundred feet. The device includes first, second and third tubes, closed at one end and open at one end, the first and second tu... | 03/14/1995 |
| 5353779 | Self-contained cartridge for launching a low speed projectile Apparatus for a gas charged and initiating mechanism launches a projectile f a relatively low mass at a low velocity. The apparatus has a chamber which has an opening at one end. A burst diaphragm is seated within this opening and seals it. The opening als... | 10/11/1994 |
| 5197452 | Liquid jet propelled transporter and launcher toy The present invention involves a liquid jet propelled transporter and launcher toy. The launcher has a housing with a reservoir for holding a predetermined amount of liquid therein less than the volume of a transporter container and related to that volume... | 03/30/1993 |
| 5188557 | Toy rocket apparatus A toy rocket to include a cylindrical body formed with a conical upper end portion, with the conical end portion formed of a flexible material, the cylindrical body formed of a rigid material and including a launcher structure, including a first conduit t... | 02/23/1993 |
| 5078117 | Projectile propellant apparatus and method A projectile propellant device is adapted to supply a compressed gas from a compressed gas container for providing the propulsion force for a projectile or for providing the operating force for a gas powered device. The propellant device includes a gas co... | 01/07/1992 |
| 4998368 | Firearm cleaning device and method A disposable firearm cleaning device and method are disclosed for cleaning the chamber and bore of a firearm, especially in the field. The cleaning device comprises a compressed gas cartridge which is supported in the chamber of the firearm in spaced rela... | 03/12/1991 |
| 4843750 | Firearm cleaning device and method A disposable firearm cleaning device and method are disclosed for cleaning the chamber and bore of a firearm, especially in the field. The cleaning device comprises a rupturable compressed gas cartridge which is supported in the chamber of the firearm in ... | 07/04/1989 |
| 4697523 | Compressed gas powered ammunition for guns A simple to manufacture high pressure rechargeable ammunition cartridge comprising a hollow pressure casing 20 providing a gas storage space 19 to hold compressed gas therein, with a discharge passage 25 in a front part of said casing said gas storage spa... | 10/06/1987 |
| 4601278 | Ammunition cartridge A bullet is fired from an ammunition cartridge upon piercing a breakaway section in the rear wall of the cartridge to form a gas escape port. The cartridge has one open end in which is seated the bullet and the breakaway section of the rear wall is direct... | 07/22/1986 |
| 4539969 | Cartridge assembly including pressure cylinder slidably located in casing Air gun apparatus for firing missiles 11 including a gun and a replaceable cartridge assembly. The cartridge assembly includes a casing having a detachable hollow nose, a pressure cylinder slidably located in the casing, and a valve mechanism normally bia... | 09/10/1985 |
