U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

Newsletter  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.

 

Class 102/446 - Cartridge adapter


Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter having means to make a projectile fit a cartridge
No. of patents: 37
Last issue date: 09/09/2008


NumberTitleIssue Date
7421934Mortar tube for training
A training mortar apparatus includes a small mortar tube and a large mortar tube, the small mortar tube being disposed in the large mortar tube; a removable base cap attached to one end of the small mortar tube; a plug inserted in the removable base cap; a removable...
09/09/2008
7331294Rifled slug
A rifled slug is provided with a metal head (1) and a plastic rear part (2), which is made as a single piece from a pin-shaped front part (5), with a rod-shaped middle part (6) joined to the rear of the front part, and with a plunger-shap...
02/19/2008
7278358Non-lethal marking bullet for related training cartridges
A projectile of non-lethal composition includes an outer casing that is substantially sealed prior to impact with a target both when the projectile is in a static condition and when the projectile is in a dynamic condition. A marking material is encapsulated within ...
10/09/2007
7225741Reduced energy training cartridge for self-loading firearms
A two piece, two-stage, rechargeable, reusable, reduced-energy mechanically operating cartridge is provided for launching a bullet of various compositions from a dedicated or modified firearm. The cartridge unit is comprised of a primary case, a piston sleeve, a pro...
06/05/2007
7207273Buckshot round
A buckshot round for use in large, smooth-barreled weapons, such as an M203 or M79 grenade launcher, wherein the round itself acts as the firing barrel. In particular, a lethal buckshot round is provided, wherein an inner metal cylinder (barrel portion) is encased i...
04/24/2007
7165496Piston head cartridge for a firearm
A firearm cartridge is provided with a case body and a piston head. The piston head is movably engaged with a rearward end of the case body. The piston head seals the rearward end of the case body to contain propellant gases in the case body when the firearm cartrid...
01/23/2007
7121035Sight-preserving, partially self-cleaning, divergent-axis caliber conversion in handguns
A conversion kit for converting a semi-automatic or self-loading handgun of a certain caliber, such as a Colt .45, is modified to allow the use therein of cartridges of a different, usually smaller caliber, thus to allow less expensive training on the handgun, where...
10/17/2006
6606952Shotgun adapter for use to school different gauge shells
A shotgun adapter is provided for firing a shotgun cartridge having a shotgun bore which is larger than the cartridge. The adapter is a generally hollow tubular member having a cylindrical tapered outer wall and an inner wall concentric with the outer wal...
08/19/2003
6564719Training cartridge for a self loading gun
A cartridge for use in non-lethal applications comprising an anterior portion and a posterior portion, the posterior portion comprising a recycling mechanism including a moveable member in the form of a piston or cylinder, slideably engaged respectively w...
05/20/2003
6446559Shotgun adapter for use to shoot different guage shells
A shotgun adapter is provided for firing a shotgun cartridge having a shotgun bore which is larger than the cartridge. The adapter is a generally hollow tubular member having a cylindrical outer wall and an inner wall concentric with the outer wall, with ...
09/10/2002
6427600Blank cartridge for self loading guns
The invention provides a blank pyrotechnic cartridge comprising a cartridge casing having a bullet-like projection extending forwardly therefrom, the bullet-like projection being retractable through an opening in the casing when the cartridge is fired, th...
08/06/2002
6422149Blank training cartridge for a self loading gun
A cartridge for use in non-lethal applications comprising an anterior portion and a posterior portion. The posterior portion of the cartridge includes a recycling mechanism that is initiated by activating a first primer. The anterior portion of the cartri...
07/23/2002
6415718Training cartridge for a self loading gun
A cartridge for use in non-lethal applications comprising an anterior portion and a posterior portion. The posterior portion includes a recycling mechanism, which can be initiated upon activation of a primer, and the anterior portion has a nose portion wh...
07/09/2002
6324983Sub-caliber projectile for low impulse cartridges
A sub-caliber projectile cartridge for automatic weapons includes a case, a piston, a forward cavity/an inner bore in the piston, a sub-caliber projectile, and a link. The sub-caliber projectile is seated into the forward cavity/inner bore located in the ...
12/04/2001
6324984Payload mechanism for low impulse cartridges
This low impulse payload cartridge for automatic weapons includes a case, a piston, an ogive, a payload cup, a payload, and a link. The payload cup and payload is seated into the forward portion of the piston. Gas passages permit propellant gases to bleed...
12/04/2001
6178889Low impulse telescoping cartridge
A low impulse telescoping cartridge includes a case, a piston, a projectile, and a link. The projectile is seated into the forward portion of the piston. Gas passages permit propellant gases to bleed into the cavity behind the projectile and to accelerate...
01/30/2001
6145440Training weapon system
The invention relates to a training weapon system for a portable recoilless anti-armor weapon of the type which comprises a sub-caliber insert barrel (1) arranged in the bore of the launching barrel of the full-caliber weapon. In order to improve the accu...
11/14/2000
5789694Breaking up of rock and the like
An impulse generating tool for breaking up rock has a barrel, a breech body for a cartridge (50) loaded with gas producing propellant (70) and a firing mechanism for firing the cartridge. A hole is drilled in the rock and filled with water. The barrel is ...
08/04/1998
5670737Breaking up of rock and the like
An impulse generating tool for breaking up rock has a barrel, a breech body for a cartridge (50) loaded with gas producing propellant (70) and a firing mechanism for firing the cartridge. A hole is drilled in the rock and filled with water. The barrel is ...
09/23/1997
5363769Practice round having a projectile and an adapter with the same caliber as the projector and an appropriate propelling charge
A practice tear gas round comprises a projectile having the same caliber as the standard tear gas gun, and a main adapter which is separately loadable into the launcher and has an outside diameter of the same caliber as the launcher while providing a cham...
11/15/1994
5157210Shotgun cartridge adapter
Adapter for safely firing a shotgun cartridge in a shotgun of a gauge larger than said cartridge comprising a tubular member having internal dimensions of a size to accommodate and hold snugly a cartridge of the gauge desired to be shot and external dimen...
10/20/1992
5010677Plug for shotgun or rifle barrel using black powder
The plug for shotgun or rifle barrel using black powder is outstanding in that it has a means (2) likely to extract the primer (a) destined to ignite the black powder contained in a chamber (c) of the said plug (1), when the arm is being opened....
04/30/1991
4955157Small caliber ammo conversion kit
This relates to an inexpensive conversion kit for handguns wherein inexpensive small caliber shells may be fired from a large caliber handgun. The kit includes a special adapter shell which is formed of two separable housing members into which there is in...
09/11/1990
4955300Adaptive cartridge for a subcaliber barrel system
The invention provides an electrical igniter for an adaptive cartridge of a subcaliber barrel system by which the firing pin extension (12) is arranged axially movable by means of a guide (13) made of an electrically non-conductive material. A slide valve...
09/11/1990
4796535Adapter cartridge for insertion tube systems
An adapter cartridge for insertion tube systems of firearms has a jacket casing which is made of fiber reinforced plastic that is joined securely to the cylindrical part of a tube base. The tube base has an incircling drawn shell rim that is securely encl...
01/10/1989
4735009Small arms caliber reducing adaptor kit
A small arms caliber reducing adaptor kit including a barrel liner and cartridge insert sized to be inserted into an original small arms barrel and an original cartridge chamber respectively, the barrel liner and cartridge insert having corresponding redu...
04/05/1988
4702170Shotshell cartridge adapter
A shotshell cartridge adapter is disclosed that enables safe firing of subcaliber rim-fire shot cartridges in conventional shotguns. In the preferred embodiment, the invention comprises an outer hull shaped like a standard shotgun shell; an adapter tube f...
10/27/1987
4633755Gastight seal of a gun barrel
An arrangement for gastightly sealing the gap between the cartridge chamber and the bottom of an insert which is received in a gun barrel 1 to be able to fire cartridges of a smaller caliber. The gastightness is obtained substantially by providing that th...
01/06/1987
4633781Shotgun gauge adapter
A gauge adapter for a break-action shotgun, including a bullet barrel fixed in a plug having the dimensions of the shot cartridge. The adapter includes a resilient pressure device, disposed for pressing the plug solidly against the wall of the transition ...
01/06/1987
4620485Training cartridge
An adaptation cartridge comprises a firing pin casing which is screwed into a cartridge chamber or cartridge chamber tube and is secured against rotation by a radially displaceable slide. The cartridge is used for training on a gun having a subcaliber bar...
11/04/1986
4506604Cartridge shaped barrel insert
A cartridge shaped barrel insert is described that can be used as the barrel of a pistol and as a rimfire cartridge insert for a large bore weapon. The cartridge insert includes an internal secondary firing pin that can be actuated to fire a rimfire cartr...
03/26/1985
4430940Firearm cartridge adapter
A cartridge adapter for a firearm including a chamber, a barrel and a center firing pin, the cartridge adapter including a body portion with an axial passage including a first passage section extending from the free end of a smaller cylindrical outer sect...
02/14/1984
4418488Pistol and removable cartridge shaped barrel insert
A pistol and cartridge shaped barrel insert is described that makes use of a unique center-fire cartridge shaped barrel insert that can be used as the barrel of a pistol and as a rimfire cartridge insert for a large bore weapon. The pistol body includes a...
12/06/1983
4404765Gun barrel insert
The improved gun barrel insert is provided in tank-borne guns, field howitzers and the like. It makes possible the use of small caliber and thus less expensive ammunition having ballistic properties of the substituted larger caliber ammunition, while main...
09/20/1983
4393782Revolving firearms and ammunition therefor
This invention relates to a means for utilizing smaller-diameter bullets in larger-diameter cartridge cases, to achieve higher velocity without bottlenecking the cartridge case, and a firearm having a reduced bore adapted to that cartridge. Additionally, ...
07/19/1983
4361093Ammunition for small arms
A round of ammunition in which a primer cap provides the sole means for propelling a lightweight missle from a cartridge casing shaped to fit into an existing firearms firing chamber. A removable insert in the cartridge casing 12 provides an elongate pass...
11/30/1982
3997995Saluting round adapter
An adapter for firing a small caliber round in a large caliber gun. A cardge case which fits a large caliber gun is provided with an internal thread for receiving an adapter sleeve. The adapter sleeve has a bore for receiving a small caliber round and is...
12/21/1976
 
Sign InRegister
Username  
Password   
forgot password?