UNT Libraries Government Documents Department - 39 Matching Results

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Apparatus for Forming Gun Barrels.

Description: Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Cartridge for Guns.

Description: Patent for "a projectile having an elliptical cross-section and slight longitadinal twist for use in guns provided with a corresponding bore." (lines 8-11), including description and illustrations.
Date: September 24, 1901
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Fence Making Implement.

Description: Patent for a new and improved fence-making tool. This design consists in "[t]he combination of the hooks, the bars between the same, the plate connecting the ends of the hooks and provided with the claw, the lever pivoted between the hooks and having the offset and carrying a supplemental lever, and a lever having one end adapted to be inserted between the hooks, and provided on one edge with a stud" (lines 84-92).
Date: September 24, 1889
Creator: Fisher, Conrad H.
Item Type: Refine your search to only Patent

Dumping Wagon.

Description: Patent for a new and improved dumping wagon. This design is "to provide a double dump for carrying dirt, sand, gravel, and other loose material on ordinary road-wagons, together with mechanism for instantly unloading the same" (lines 8-12). To this end, it consists "of a frame, double dumping-boxes swinging upon axles, and a U-shaped dumping lever, said lever provided with points extending slightly beyond its axis" (lines 90-93).
Date: September 13, 1892
Creator: Forsgard, Samuel J.
Item Type: Refine your search to only Patent

Paper Box.

Description: Patent for a paper box that can be easily and securely locked. The ends of the box are locked into place with inwardly-curved edges, and slits receive the end portions of the inwardly -curved edges.
Date: September 15, 1896
Creator: Girard, Alexandre Ferdinand
Item Type: Refine your search to only Patent

Automobile-Cooling System

Description: Patent for an improvement to the cooling system of the internal combustion engine of an automobile. "The object of the invention being to provide an improved cooling system of this kind which embodies means for cooling the circulatory water in the radiator by forcing air therethrough and also embodies means for directly cooling the engine by subjecting the same to the action of a blast of air."
Date: September 3, 1918
Creator: Goodwin, Thomas J.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "a draw-head provided with a recess having an enlargement at its central portion, a series of vertical jaws on each side of said enlarged portion of the recess pivotally mounted at their lower end in the draw-head, springs connecting each jaw with its corresponding jaw in the opposite series, and means for opening the jaws" (lines 13-20).
Date: September 23, 1890
Creator: Hooks, Bentley Robert
Item Type: Refine your search to only Patent

Washing Machine.

Description: Patent for a new and improved washing-machine. This design is "to provide a machine having an oscillating and revolving rubber, means for securing the rubber to the operating-shaft, and to provide bearings for said shaft which may be adjusted to compensate for any wear of parts. A further object is to provide adjustable legs, whereby one side of the machine may be raised or lowered, thus decreasing or increasing the pressure of the rubber upon the articles being washed" (lines 17-27).
Date: September 23, 1890
Creator: Leubner, Charles W.
Item Type: Refine your search to only Patent

Lock Mortiser

Description: Patent for a lock mortiser. The object of this invention "is to provide a light, portable machine arranged to be clamped to the work piece, so that the lock mortise as well as the key hole and the bolt opening may be conveniently cut with one adjustable of the machine" (lines 11-15). Illustrations included.
Date: September 13, 1910
Creator: New, Luke Mosely
Item Type: Refine your search to only Patent

Oil Press Mat.

Description: Patent for a new and improved oil press mat. This design consists in "having its body portion composed of card-board cut to the size of the press-box, the adjacent faces being covered with sheet metal, which is pressed or stamped into the paper body to give the required cavity, which is bounded by raised margins and transverse ribs struck up from the metal, and supported by paper strips interposed between the layers of card-board, the two leaves of the mat having a leather backing and being hin… more
Date: September 18, 1883
Creator: Osborn, Adelbert E.
Item Type: Refine your search to only Patent

Combined Cotton Separator and Distributer.

Description: Patent for a simple and efficient cotton separator and distributor that elevates and moves cotton from a wagon into a gin. It has supply and suction pipes, an air-tight cotton distributing box with an opening on one side and a gravity drop door on the other, a mechanism that moves the box in and out of the line of suction of the pipes, and a group of circular distributing boxes that rotate between the pipes.
Date: September 4, 1894
Creator: Paine, Herbert A.
Item Type: Refine your search to only Patent
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