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

Icon_funbox Quotables

"That’s an amazing invention, but who would ever want to use one of them?"

President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House

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 102/532 - WADS


Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter wherein a plug, packing, stuffing, etc.,
No. of patents: 80
Last issue date: 04/22/2008


  2  
NumberTitleIssue Date
5164539Projectile carrier
A projectile carrier for use for the muzzle loading firearm. The carrier is formed of two separate and identical halves which abut along a common vertical plane. The two halves of the carrier when combined form a circular bottom wall and a cylindrical sid...
11/17/1992
5160800Obturator retaining means
An improved store launching device is disclosed wherein the inside of a sdard sonobuoy launch container is modified to accept, and properly dispense, only one smaller and lighter store. A positioning ring is fitted securely onto the inner walls a presele...
11/03/1992
5063854Propelling cage discarding sabot for a spin-stabilized subcaliber projectile
A propelling cage discarding sabot for a spin-stabilized subcaliber projectile, including a plastic material which is shaped and which is composed of a polyamide and from about 5% to about 30% by weight of carbon fiber, the plastic material having a speci...
11/12/1991
5056406Fiber optic mortar projectile
Improvements to a fiber optically guided projectile include an obturator with a groove formed in the outer wall. An obturator ring is placed in the groove. The ring is made of resilient material, has a relaxed diameter greater than the bottom of the groov...
10/15/1991
5042389Carrier projectile
A large-caliber carrier projectile for transporting a payload, with the projectile including an ejection charge and an ejector plate for ejecting the payload from the carrier projectile over a target area. To overcome the problem of the ejector plate coll...
08/27/1991
5000094Shotgun cartridge with explosive shell
A shotgun cartridge (1) has an armour piercing shell (11) which includes a main charge (17) arranged to be detonated or exploded by direct percussion of a primer (12). The cartridge (1) includes a bore safe cylindrical arming device (16) integrally formed...
03/19/1991
4945836Rapid expansion bullet
A high energy rapid expansion bullet for handguns, rifles and the like with greater killing power and protection from excessive gas pressures due to overloading of powder or obstruction in the gun barrel and without over penetration which could endanger b...
08/07/1990
4864934Industrial shotshell having a load-stabilizing assembly
An industrial shotshell has a load, such as an iron slug, assembled with a press-fitted, wad column-containing outer cup and housed with the cup in its shell. The outer cup encloses a wad column and, when pressed fitted onto a larger diameter rearward por...
09/12/1989
4825767Wad for shotgun shotshell
A wad for shotgun shotshell having front and rear discs having a radius substantially identical to a radius of a barrel bore of an associated shotgun, and a connector arranged between and interconnecting the front and rear discs, the connector including t...
05/02/1989
4815389Shot cartridge
A shot cartridge suitable for use in automatic and semi-automatic pistols, characterized by a metal case terminated in a hemispherical crimp and a wad that expands to fill the barrel diameter of a pistol....
03/28/1989
4815388Shot charge and wad structure for a combat shotgun
A shot charge and wad structure includes a thick-walled plastic shot wad cup having integrally connected base and continuous sidewall portions which together define a shot pocket with an open end for receiving and supporting a charge of shot. The structur...
03/28/1989
4782759Dual sealed composite wad structure
A dual sealed composite wad structure for use within a cartridge for a firearm. The wad structure comprises the following described integrally joined components: a shot column which has at least two separate, pliable petals; a shot column gas seal which f...
11/08/1988
4776281Combustible push rod for launching tubular projectiles
A push rod for use in launching tubular projectiles employs a pyrophoric sintered mesh cloth machined to mate with the aft end of the tubular projectile within the gun barrel. The mesh cloth is configured to be entirely consumed during the initial portion...
10/11/1988
4759293Article using shape-memory alloy to improve and/or control the speed of recovery
An article in the form of a projectile, a shock-sensitive switch or a sabot having an active component of shape-memory alloy which exhibits the shape-memory effect to provide a mechanical movement in response to a pressure wave passing through the article...
07/26/1988
4742774Small arms ammunition
Improved small arms ammunition comprising a conventional primed cartridge case and a hollow projectile in tubular geometric form is provided according to the present invention. In accordance with the teachings of this invention, the hollow projectile in t...
05/10/1988
4733613Adjustable volume shot wad structure and method of assembling the same
An improved shot wad structure has a longer outer wad cup, a shorter inner wad cup and a plastic wad insert, and is useful in a shotshell with hard shot pellets, such as steel or tungsten shot. The outer cup, formed of a soft, low tensile strength materia...
03/29/1988
4702028Patch for muzzle loading rifles
An improved patch for use with muzzle-loading guns. The patch is made from a circular swatch of fabric which has at least three identical, symmetrical indentations formed in the periphery of the patch. The indentations reduce the tendency of the patch to ...
10/27/1987
4676170One-piece wad structure adapted for reloading of hard shot
A one-piece, elongate, tubular shot shell wad structure, for use with ferrous metal and other hard shot, having a shot cup and obturating cup separated by a relatively small distance and yet having a cushioning capability for limiting peak powder chamber ...
06/30/1987
4669385Wad for shotgun shotshell
A wad for a shotgun shotshell with a crimped case, comprising a seal member located adjacent to a propellant in the case and a rotor opposed to the seal member. The seal member and the rotor are interconnected for relative sliding and rotation and have op...
06/02/1987
4627356Two-piece booster shot shell wad
A two piece booster shot shell wad is disclosed which includes a one piece wad unit and a shot cup. The shot cup is received in a cup shaped cavity in the one piece unit. The shot cup has a non-circular stud on its bottom and is received in a non-circular...
12/09/1986
4598644Use of a portion of a propellant charge as a seal
A subcaliber projectile having a sabot formed by a plurality of segments is provided. The joined segments forming the sabot, present a gas pressure receiving surface 52 which is covered by a sealing foil 54 formed by a foil material made out of the propel...
07/08/1986
4590862Projectile pusher-type discarding sabot
A pusher-type sabot for the launching of sub-caliber ballistic projectiles hose dimensions are significantly less than the gun bore diameter from which they are launched, the pusher-type sabot having a pusher plate and bore rider, segmented such that the t...
05/27/1986
4587905Wad and slug for a shotgun cartridge
An assembly of a wad and a slug for a shotgun cartridge, the wad and the slug being coaxially connected to each other by means of male and female connectors provided on the wad and the slug without play between the connectors, the assembly comprising peri...
05/13/1986
4574701Wad for cartridges of hunting and shooting arms
An improved wad and shot cup structure for shotgun shells or so-called shot shell cartridges for hunting and shooting use, including a substantially cylindrical body of plastic material forming a shot cup or bowl (7) containing lead shot (11) and a powder...
03/11/1986
4538520Gun cartridge
A cartridge includes a gun barrel bullet made up of a metal head and an elastically deformable plug made up of two parts. The first plug part is connected to the head and defines an open ended chamber which is closed off by the second plug part. The first...
09/03/1985
4519317Sub-caliber projectile
A sub-caliber projectile having a front end, a tail end and a cylindrical aped mid-section of substantially uniform diameter, sabot means comprising an annular obturating disc member and an annular stabilizing member, first retaining means for releasably ...
05/28/1985
4515082Guided projectile lens cover
A cover (1) for protecting the surface (23) of a lens (3) disposed at the rear surface (21) of a guided projectile (7) is fabricated of Teflon or other soft material. Lens (3) faces rearward to receive guidance signals used to keep projectile (7) on a cho...
05/07/1985
4506605Shotgun cartridge and wad thereof
A wad located in a case of a shotgun cartridge containing gunpowder, comprising a cylindrical body which comprises a plurality of explosive gas passages to rotate the wad about the axis of the cylindrical body by the explosive gas which is produced by the...
03/26/1985
4452144Shotgun cartridge and wad thereof
A wad which is adapted to be located in a case of a shotgun cartridge containing gunpowder, comprising a cylindrical wad body having an axial center hole and axial explosive gas passages, and a disc plate which has a plunger fitted in the center hole of t...
06/05/1984
4449458Cartridge case closure plug
A cartridge case closure plug for closing a cartridge case, enhancing plug reakup in the shortest time span after ignition of the cartridge, and substantially reducing plug mass to reduce the impact loads exerted on the projectile by the plug. The plug is ...
05/22/1984
4307664Plastic shot shell wad
A plastic shot shell wad incorporating an improved cushioning mechanism. A cushioning effect is provided by connecting a wad with a shot cup by means of two levels of parallel walls separated by an intermediate planar member. A lower level of walls is con...
12/29/1981
4291625Shot gun shell construction
A shot gun shell is disclosed which employs a wad defining a shot cup, including closure means associated with the open end of the shot cup adapted to operate upon insertion of the wad into the shot gun shell casing to restrain the shot within the cup wit...
09/29/1981
4290365Shotshells
The present invention provides a shotshell including a cartridge case having a metal sidewall defining an open end of the case. A charge is contained in the case and retained by an overshot plug which is a friction fit in the case. The sidewall has a thic...
09/22/1981
4286496Fastener guidance and retention tip member
A guidance and retention member, for use with a nail-like fastener of the type adapted to be driven by a powder-actuated tool, comprising an axially elongate, hollow, cylindrical body adapted for telescopic retention on the nose of the fastener and of an ...
09/01/1981
4220090Shot wad column
A shot wad column for use in a shotshell in a shotgun to accommodate a shot charge such as steel shot or lead shot, and including a gas seal snapped in engagement to a shot cup having a fluted exterior diverging peripheral wall. The shot cup and gas seal ...
09/02/1980
4175493Patch for muzzle loading firearms
A patch formed from yieldable material such as a moldable plastic resin. The patch has a solid integral body with an exterior cylindrical wall along its full longitudinal length. First and second indentations are formed inwardly at the opposite ends of th...
11/27/1979
4164903Shotgun wad for use as a practice projectile
A novel shotgun wad is disclosed for use in a practice cartridge which includes a conventional tubular casing having a closed end and an open opposite end, the wad having a first cup portion facing a detonable primer charge at the closed end of the casing...
08/21/1979
4063511Spinning shot gun projectile
A spinning shot gun projectile comprises a cylindrical body having radially projecting vanes arranged with respect to the longitudinal axis of the body at an angle predetermined for air impingement during the flight of the projectile, thereby imparting a ...
12/20/1977
4041871Shock buffer for liquid propellant gun projectile
A projectile for a liquid propellant gun comprising a metallic forward end nd a shock buffer aft end made up of from about 60 to about 40 volume percent microballoons and from about 40 to about 60 volume percent binder....
08/16/1977
3978794Base wad for shotshells
A base wad for shotshells integrally constructed of non-linear polyethylene and a mineral from the class consisting of asbestos, barium carbonate, chalk, and talc in approximately equal portions by weight; said base wad being dimensionally stable, having ...
09/07/1976
  2  
 
Sign InRegister
Username  
Password   
forgot password?