Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 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 |
| 7216642 | Pneumatically launched folding wing glider toy A glider toy has pivoting wings that may be locked in a retracted position prior to launch. Upon launching of the glider, the wings may be unlocked. During flight, the wings extend forward for an entertaining glide at the urging of one or more elastic members. A lau... | 05/15/2007 |
| 7146973 | Launching device A launching device of the present invention includes a launch unit having a first coupling element and a second coupling element. A barrel may be releasably connected to one of the first and second coupling elements and a cylinder may be releasably connected to the ... | 12/12/2006 |
| 7063623 | Apparatus and method for playing golf using a ball launcher A ball launching device which eliminates the need for golf clubs so that disabled individuals can play golf without having to swing a golf club. The ball launching device is configured in the form of the rifle so that it can be carried by a player while the player i... | 06/20/2006 |
| 6749528 | Apparatus and method for playing golf using a ball launcher A ball launching device which eliminates the need for golf clubs so that disabled individuals can play golf without having to swing a golf club. The ball launching device is configured in the form of the rifle so that it can be carried by a player while the player i... | 06/15/2004 |
| 6503411 | Stable compositions In a composition which has an amorphous, undercooled, glassy phase containing a water-soluble or water-swellable substance in an amorphous form, a sugar, which is capable of existing as a crystalline hydrate, is used as an agent to dehydrate the amorphous... | 01/07/2003 |
| 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 |
| 6343598 | Air gun The present invention is an improved air gun. A novel lever system is employed whereby great pressure is obtained with a single pump. The length of the gun is minimized by an improved breach design. A simple breach lever with a seal is used to open the br... | 02/05/2002 |
| 6244261 | Line installation tool A hand-held apparatus for projecting a line across an intermediate span includes a launching tube having one end connected to a source of propellant gas energy for launching a projectile, the other end forming an open muzzle adapted to receive and fire a ... | 06/12/2001 |
| 6220237 | Compressed air toy gun An air compressed gun (10) is provided having a stock (11), a launch tube (12), a magazine (18) and a manual air pump (14). A loading tube (29) extends from the magazine to an opening (50) in the launch tube. A pressure chamber (15) is mounted within the ... | 04/24/2001 |
| 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 |
| 6071428 | Stable compositions In a composition which has an amorphous, undercooled, glassy phase containing a water-soluble or water-swellable substance in an amorphous form, a sugar, which is capable of existing as a crystalline hydrate, is used as an agent to dehydrate the amorphous... | 06/06/2000 |
| 5529527 | Readily removable confetti cannons Cannons for launching confetti into the air are disclosed in which readily removable connectors secure the elongated hollow tubes filled with confetti to a source of compressed gas. The elongated hollow tubes may be composed of plastic or cardboard, and t... | 06/25/1996 |
| 5460155 | Behavior deterrence and crowd management An apparatus for deterring an undesired behavior of at least one person. The apparatus comprises a projectile having an exterior that will not cause serious injury to a person. An actuatable launcher supports the projectile and propels the projectile in r... | 10/24/1995 |
| 5429108 | Air-operated toy gun An air-operated toy gun including a gun body, a triggering device, an air pump device, and a projectile. The air pump device is arranged inside the gun body and has an air cylinder. A blow tube that is connected to the air cylinder has an end extending ou... | 07/04/1995 |
| 5365913 | Rupture disc gas launcher This invention relates to pneumatic guns that use a source of compressed gas to launch a projectile toward a target. A variety of trigger mechanisms have been used to apply the compressed gas to the base of the projectile in such a gun. In the present inv... | 11/22/1994 |
| 4886269 | Table tennis practice aid A table tennis training device comprises a frame (10) extending the width of the table and having a pliant screen (28) associated therewith to provide a back stop for table tennis balls. A wall (18) of L-shape cross-section is attached to and extends betw... | 12/12/1989 |
| 4049367 | Apparatus for generating shock waves by means of a supersonic projectile An apparatus for generating shock waves by means of a supersonic projectile to effect, for example, phase transformation of a substance. A hammer in a cylinder is accelerated by introduction of compressed air into the cylinder, whereby a plunger formed in... | 09/20/1977 |
