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| Number | Title | Issue Date |
| 6519868 | Adjustable visual media mounting A photographic mounting system correlates photographs with height by providing a vertically mountable ruler configured to adjustably receive and hold photograph frames at various adjustably selected heights on the ruler. The frames, in turn, hold the phot... | 02/18/2003 |
| 6044674 | Nut enclosure lock A device for preventing access to a nut or bolt fastening a valuable item such as an outboard motor on a boat, a riding lawnmower to a burglar cable, or the like. The device is independent of the nut and bolt, and includes a body that receives the bolt he... | 04/04/2000 |
| 5915794 | Hand scraper with improved grip A simple sturdy multiply adjustable hand scraper has a knurled cross handle mounted on a shaft and an obliquely mounted blade on the other end of the shaft, the handle being adjustably set at an angle relative to the blade.... | 06/29/1999 |
| 5640789 | Springrod needlework stand A simple sturdy needlework stand, preferably metallic. The stand comprises a base, a leg projecting upwardly from the base, a horizontal arm cantilevered from and attached to the leg, a spring connected to the arm and leg for yieldably resisting downward ... | 06/24/1997 |
| 5299628 | Method and apparatus for the casting of molten metal A method and apparatus for the casting of metal onto a moving horizontal surface in which the solidification of the casting occurs from the top to the bottom. The surface on which the metal is cast comprises a material having a low thermal conductivity of... | 04/05/1994 |
| 5272800 | Method and apparatus for forming and positioning a preform on a workpiece A method and apparatus for forming and attaching a preform to a metallic workpiece, particularly an epoxy preform for use in electronic packages. The epoxy preform is stamped from a strip and maintained in an upper die assembly. The metallic workpiece is ... | 12/28/1993 |
| 5269224 | Caseless utilized ammunition charge module A unitary propellant charge module for use in separate ammunition comprises a combustible container having a generally hollow cylindrical shape, a generally cylindrical charge body of interconnected compacted spheroidal propellant grains disposed within t... | 12/14/1993 |
| 5256214 | Copper alloys and method of manufacture thereof A method for the manufacture of a copper based alloy and the alloy produced thereby having improved mechanical properties. An alloy containing a dispersoid ingredient and a precipitating ingredient are spray cast so that during spray casting the dispersoi... | 10/26/1993 |
| 5208424 | Full metal jacket hollow point bullet A full metal jacket hollow point bullet is disclosed which has a portion of the jacket extending within the hollow open front end of the bullet. The portion of the jacket in the hollow front end has a plurality of radial slits and reinforced pointed prong... | 05/04/1993 |
| 5191169 | Multiple EFP cluster module warhead A multiple module EFP warhead comprises a tubular body having a central axis with a plurality of explosively formed penetrator modules arranged tandemly within the body along the axis. Each of the modules includes a curved, dish shaped support disk having... | 03/02/1993 |
| 5183961 | Extended charge cartridge assembly A cartridge assembly for propelling a subscaliber penetrator through a gun tube which has a portion of the propellant charge contained in an annular cavity surrounding the sabot is disclosed. The annular cavity is defined by the scoop shaped front bourrel... | 02/02/1993 |
| 5179250 | Segmented cartridge assembly The cartridge assembly of the present invention comprises two or more combustible cartridge case segments, the front of which is fastened to the projectile assembly and the rear of which contains a primer assembly and a charge of propellant. The two segme... | 01/12/1993 |
| 5171932 | Electrothermal chemical propulsion apparatus and method for propelling a projectile An electrothermal-chemical propulsion apparatus and method for propelling a projectile through a gun tube. The apparatus comprises a vaporizable energy coupling device between a projectile and at least one chemical propellant module. Vaporization of the c... | 12/15/1992 |
| 5164235 | Anti-tarnish treatment of metal foil A process for imparting tarnish resistance to copper and copper alloy materials, particularly copper foil. The material is first treated with an acidic chromium-containing solution to deposit chromium ions on said foil. Thereafter the material is treated ... | 11/17/1992 |
| 5148855 | Feeding system for belt casting of molten metal A casting system for casting molten metal into a continuous solidified strip. A source of molten metal is fed onto a tundish which is interposed between the source of molten metal and a continuous substrate system preferably in the form of a continuous be... | 09/22/1992 |
| 5131451 | Belt casting of molten metal A method and apparatus for the casting of metals in which a molten stream of metal is atomized into a spray of highly liquid droplets. The droplets are deposited on a moving substrate such as an endless belt provided with side dams. The droplets flow in a... | 07/21/1992 |
| 4907407 | Lifetime arcjet thruster An arcjet thruster has an anode body forming a constrictor and a nozzle which define an arc chamber. The thruster also has a cathode in the form of a rod having a tip and being spaced upstream from the constrictor. The thruster employs several features wh... | 03/13/1990 |
| 4882465 | Arcjet thruster with improved arc attachment for enhancement of efficiency An arcjet thruster has a constrictor and nozzle defining an arc chamber. The constrictor has an insulator and an anode. The constrictor defines a subsonic-to-supersonic transition zone axially coextensive with the inculator and anode. The anode is dispose... | 11/21/1989 |
| 4867066 | Shotshell casing with reduced volume basewad and increased interior volume for larger shot loads An improved reduced volume plastic basewad for a shotshell casing includes a generally solid cylindrical plastic body portion, an annular outer continuous skirt portion merging integrally and upwardly from the body portion, and a raised annular inner cont... | 09/19/1989 |
| 4866929 | Hybrid electrothermal/electromagnetic arcjet thruster and thrust-producing method A hybrid electrothermal/electromagentic arcjet thruster has a cylindrical body with a longitudinal central axis, a plurality of electro-thermal propulsion mechanisms defined in the body in radially and circumferentially spaced relation about and extending... | 09/19/1989 |
| 4864934 | Industrial 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 |
| 4856160 | Bullet with reverse taper interlock jacket and method of manufacturing the bullet A reverse taper jacketed bullet has a tubular jacket in the form of a continuous wall defining a cavity and a one-piece core disposed in the jacket cavity. The jacket has opposite heel and mouth portions and an intermediate portion interconnecting the hee... | 08/15/1989 |
| 4856271 | Gas generator and generating method employing dual catalytic and thermal liquid propellant decomposition paths A propulsive power-producing system has a vessel defining a pressure chamber and an injector and a thrust-producing nozzle communicating with the chamber at respective upstream and downstream ends of the vessel. A dual catalytic/thermal gas generator hous... | 08/15/1989 |
| 4815388 | Shot 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 |
| 4805399 | Monopropellant plenum propulsion system with integrated valve/nozzle for fast response thrust A monopropellant propulsion system has a tank which includes a liquid chamber and a gas plenum. A monopropellant liquid is contained in the liquid chamber, and a monopropellant gas generator communicates with the gas plenum and the liquid chamber. The gas... | 02/21/1989 |
| 4805400 | Non-erosive arcjet starting control system and method A non-erosive arcjet starting control system and method are provided in combination with an arcjet thruster which includes an anode, a cathode and a gap defined therebetween. The starting control system and method include the operative steps of, first, ac... | 02/21/1989 |
| 4805536 | Semi-wadcutter bullet and method of manufacturing same A semi-wadcutter bullet useful for target practice includes a lead core partially contained and locked in a metal cup-shaped jacket. The lead core has a cylindrical body, a frusto-conical nose formed integral with the body and extending forwardly therefro... | 02/21/1989 |
| 4800716 | Efficiency arcjet thruster with controlled arc startup and steady state attachment An improved efficiency arcjet thruster has a constrictor and electrically-conductive nozzle anode defining an arc chamber, and an electrically-conductive rod having a tip spaced upstream from the constrictor and defining a cathode spaced from the anode by... | 01/31/1989 |
| 4773329 | Composite shot wad structure for steel and other hard shot An improved composite wad structure has a unique laminated shot pocket portion. The wad structure is useful in a shotshell with hard shot pellets, such as steel or tungsten shot, having a hardness generally at least equal to that of the barrel of a gun in... | 09/27/1988 |
| 4759886 | Method of assembling shaped charge projectiles which employ fluted liners A method of assembling a shaped charge projectile employing a fluted liner includes the steps of, first, loading an explosive propellant material in a hollow projectile case, next, preforming a shaped cavity in the propellant material, then, loading a flu... | 07/26/1988 |
| 4736666 | Alignment ring for mold-in-place projectile A method of manufacturing a sabot projectile is disclosed in which the projectile core is used as the core pin of a mold and a sabot is molded directly onto and in alignment with the projectile core and the core nose is held by a special alignment ring.... | 04/12/1988 |
| 4735147 | Ammunition sabot and projectile A high velocity traced armor penetrating subcaliber projectile core having sealed radial spin-up notches on its base is disclosed. Also disclosed, is a plastic sabot for launching a traced subcaliber high velocity armor penetrating projectile core, which ... | 04/05/1988 |
| 4733613 | Adjustable 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 |
| 4724801 | Hydraulic valve-operating system for internal combustion engines A fluidic valve-operating system has a reciprocally-movable plunger for moving a valve of an internal combustion engine between closed and opened conditions. A main circuit has feed and return paths for flow of hydraulic fluid from a reservoir to the plun... | 02/16/1988 |
| 4694753 | Continuous production of low density base grain with a salt-free liquor A process for continuously producing double base propellant powder of a low density (specific gravity 1.15 to 1.275). This process uses a salt-free liquor.... | 09/22/1987 |
| 4689185 | Priming method for rimfire cartridge A priming method for rimfire cartridges is disclosed in which a propellant solution is disposed adjacent a centrifugally located primer material in a rimfire cartridge. The solvent is then evaporated to leave a propellant film near the primer material in ... | 08/25/1987 |
| 4675059 | Non-toxic, non-corrosive priming mix This invention relates to priming compositions for ammunitions containing manganese dioxide as oxidizer agent in the primer mix, and to the rimfire cartridge containing dinol, manganese dioxide, tetrazene and glass.... | 06/23/1987 |
| 4674409 | Non-toxic, non-corrosive rimfire cartridge This invention relates to non-toxic, non-corrosive, lead-free rimfire ammunition.... | 06/23/1987 |
| 4660263 | Vapor blasted bullet jacket The invention provides a technique for vapor blasting the interior of regular production bullet jackets prior to lead seating. The controlled vapor blasting significantly increases the surface roughness of the bullet jacket interior. As a result, the form... | 04/28/1987 |
| 4659403 | Hydrazine stabilizers for nc propellants The invention relates to propellant powders and specifically to stabilizers for nitrocellulose-based propellant powders.... | 04/21/1987 |
