Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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 |
| 7739821 | Folding pistol A lightweight, compact, collapsible, and easily concealed pistol. The pistol has a barrel and a handgrip which are pivotally attached to the frame. The barrel is locked to the frame by a barrel lock. Operation of the barrel lock releases the barrel, allowing the bar... | 06/22/2010 |
| 7316092 | Muzzle-loading firearm and easily removable breech plug for use therewith A muzzle-loading firearm includes a breech plug for mating, non-threaded engagement with a housing located at the breech end of an axial bore of the firearm barrel. The plug includes a cylindrically-shaped body member having opposite first and second ends and an out... | 01/08/2008 |
| 6971300 | Reloadable concentric canister launcher A reloadable launcher for use with rocket-propelled projectiles. An inner and outer tube define a concentric tube arrangement with at least one gas flow channel being defined therebetween. A ring is fixedly coupled to a first end of the outer tube that is adjacent t... | 12/06/2005 |
| 6397505 | Cartridge casing ejector for a firearm The cartridge ejector has a spring loaded ejector slide supported by the barrel pivot block for siding motion from a seated position to an eject position. The slide has a finger configured to engage the cartridge casing rim when the casing is seated at th... | 06/04/2002 |
| 5680722 | Fire control system for firearms A firearm having a trigger which is pivoted to the frame, a hammer which is pivoted to the frame and biased in a forward position, a barrel which is pivotally mounted on the frame so that the breech end of the barrel can be moved between a closed position... | 10/28/1997 |
| 5659992 | Single-shot falling breech block action A single shot falling breech block action that includes an upper receiver assembly, a lower receiver assembly, breech block assembly, a trigger assembly, a stationary rack, a movable rack, a pinion, an action plate, and pinion rotating apparatus. The pini... | 08/26/1997 |
| 5617665 | Rotating breech gun A break open sporting firearm with one to four barrels that lock up in line directly behind the chambers for strength and rigidity. The load from firing is taken up by two or more circularly spaced lugs in the breech engaging with mating lugs on the frame. A r... | 04/08/1997 |
| 4967501 | Simultaneous five shot single action pistol Thus a simultaneous five shot single action piston is disclosed. A one piece receiver containing a minimum of five working parts of simple design and strong structural rigidity entailing a firing pin, cocking hammer, sear, plunger, and trigger make up the... | 11/06/1990 |
| 4467544 | Hypodermic dart gun A hypodermic dart gun of the firearm type includes a user-adjustable valve for regulating the feed rate of high pressure combustion gases from an exploded blank cartridge into the breech end of a gun barrel containing a hypodermic dart whereby the velocit... | 08/28/1984 |
| 4299046 | Single-shot survival rifle A portable lightweight rifle which is primarily intended for use as a survival rifle. The rifle is readily disassembled into two assemblies for storage or ease of transporting, without requiring any separable fastener. A supply of ammunition is carried in... | 11/10/1981 |
| 4267764 | Arrangement for use in projectile launch simulation A cartridge chamber housing and a breech block for a cartridge with side-mounted primer, in which the chamber housing has a firing pin and a spring-biased slidable firing pin interrupter which is in firing-prevent position and prevents firing pin actuatio... | 05/19/1981 |
| 4077147 | Underwater side arm 1. A device including an expendable cartridge-barrel assembly comprising a cartridge casing forming a barrel, the wall thickness of said barrel being at least equal to about the diameter of the bore therein, a retainer affixed to and rearwardly of said ca... | 03/07/1978 |
