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Pump-Actuating Mechanism.

Description: Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.
Date: April 19, 1921
Creator: Dean, Robert A.
Partner: UNT Libraries Government Documents Department

Door Fastener

Description: Patent is for door locking device for fasteners that can be carried around in a pocket. It is an improvement on models in circulation.
Date: June 12, 1917
Creator: Price, John
Partner: UNT Libraries Government Documents Department

Device for Cutting Boiler Tubes.

Description: Patent for a new device for cutting boiler-tubes. This design "is to be adjusted a distance from the head sufficiently in excess of the thickness of the tube sheet to prevent injury to the latter. The device is then inserted into the end of the tube, with the head abutting against the outside of the tube-sheet. By turning the screw the wedges may then be drawn toward each other, thus forcing the block carrying the cutter outward. The device is now to be turned by the shank alternately with feeding the cutter outward until the tube has been cut through, after which it may be readily removed" (lines 75-88).
Date: April 18, 1882
Creator: Franklin, James Johnson
Partner: UNT Libraries Government Documents Department

Car Axle Box.

Description: Patent for a new and improved car-axle box. This design "consists in an improved cap for the box, a dust guard or plate, and packing for the same, the object being to render the axle-box dust and oil tight" (lines 14-17).
Date: May 30, 1882
Creator: Scott, James O.
Partner: UNT Libraries Government Documents Department

Automatic Band-Brake for Railway-Cars

Description: Patent for "a brake of simple and inexpensive construction, that may be readily attached to steam or tramway cars, that is automatic in its working, and to do away with the brake-beams now employed, which through their breaking down are two-thirds of the causes of car derailments" (lines 19-26).
Date: January 27, 1891
Creator: Inglis, Thomas & Schiermann, William
Partner: UNT Libraries Government Documents Department

Railway Signal and Crossing-Gate.

Description: Patent for an improved railway signal meant to be used at crossings. It consists of a rotary signal post, operating mechanism, a lamp, an arm extension, the signal hanging from the arm, a bearing for the bottom of the rotary post, a box where the bearing sits, a sleeve that holds a cap plate for the box, a ladder from the post to the cap plate, and a brace.
Date: August 1, 1893
Creator: Berry, John S.
Partner: UNT Libraries Government Documents Department

Vehicle-Axle Point.

Description: Patent for a vehicle-axle point that does not require repair. The "invention consists of a thimble that is to be shrunk, pressed, or fastened onto the axle by clips, bolts, or set-screws" (lines 20-22), so that the point does not need to be taken off.
Date: July 16, 1895
Creator: Ford, William Gardner
Partner: UNT Libraries Government Documents Department

Stovepipe Drying Rack.

Description: Patent for a new and improved drying rack. This design consists, "with a stove or steam-pipe, of the band having the sockets, lips, and springs, said lips adapted to be secured by proper bolt, bent arms . . . having the hooks [and] the eyes, said arms adapted to fit around the said band and be gathered in a bundle, the hooks interlocking with the eyes of the arms" (lines 65-73).
Date: August 9, 1892
Creator: Dowler, Libbie Moore
Partner: UNT Libraries Government Documents Department

Surface Cattle Guard.

Description: Patent for a new and improved surface cattle-guard. This design "compris[es] a series of parallel triangular bars tapered at their ends and provided with lateral perforated horizontal flanges, the plates to which said flanges are secured, the cross-tie supports, and the solid plank flooring upon which said ties rest, said flooring being some distance below the guard-bars" (lines 55-62).
Date: September 20, 1892
Creator: Berry, John S.
Partner: UNT Libraries Government Documents Department

Fluid-Fuel Burner.

Description: Patent for "a simple and efficient device adapted to feed the fuel as required for the support of combustion and avoid flooding and hence the danger of explosion, and, furthermore, to provide a compact arrangement of parts whereby the device may be arranged in the fire-box of an ordinary stove or range." (Lines 9-16) Includes instructions and illustrations.
Date: August 4, 1896
Creator: Stapp, William A. & Hamilton, Charles P.
Partner: UNT Libraries Government Documents Department

Stirrup.

Description: Patent for a saddle-stirrup with springs on the bottom and a spring-catch on the top.
Date: August 11, 1896
Creator: Long, Francis F.
Partner: UNT Libraries Government Documents Department

Combined Air-Hose Coupling and Stop-Valve.

Description: Patent for a combined air-hose coupling and stop-valve. One must shut off the cut-off valve before the coupling can be disconnected. When the valve is closed, air pressure is balanced so the couplings can be safely disconnected, and prevents dirt from getting into the train-pipe.
Date: August 18, 1896
Creator: Heidelburg, Samuel R.
Partner: UNT Libraries Government Documents Department

Tool for Cleaning Out Nuts.

Description: Patent for a tool for cleaning out internally-threaded apertures. This removes rust and dirt from screw-threads without damaging the threads, and is much less destructive than acid baths, heat, and screw-taps.
Date: September 22, 1896
Creator: Rall, Frederick A.
Partner: UNT Libraries Government Documents Department

Combined Vegetable Slicer and Grater.

Description: Patent for a combined vegetable slicer and grater that consists of a main frame with vertical arms and bearings, a screw that attaches the arms to the frame, a shaft journaled with an annular flange into the bearings, a cylinder made of sheet metal that serves as knives, and spring tongues that regulate the thickness of the cut vegetables.
Date: July 10, 1894
Creator: Harpst, Edgar S.
Partner: UNT Libraries Government Documents Department

Railway Oil-Box Jack.

Description: Patent for a simple, durable, and efficient railway oil-box jack, or "hoisting jack", that is easier and faster to use than other similar jacks.
Date: July 10, 1894
Creator: Moore, Francis A.
Partner: UNT Libraries Government Documents Department

Vehicle-Brake.

Description: Patent for improved vehicle brakes, and the "object is to arrange the brake shoes so that when applied they will bear on the wheels slightly below a point on a line drawn horizontally through the center of the wheel, whereby a greater brake power is obtained with less force exerted, and further, to so construct and arrange the brake shoes that during the backing of a team for any purpose the brakes will automatically release themselves and not bear upon the wheels to interfere with said backing." (Lines 21-31) Includes instructions and illustrations.
Date: May 7, 1895
Creator: Christian, John R.
Partner: UNT Libraries Government Documents Department

Cotton Chopper.

Description: Patent for a new and improved cotton cutter. This design consists in "the combination [of] the two-part shaft having bearings in the frame and supported on the wheels of [a] removable wheel, secured upon the end of [a] portion and having the spokes and cups at the ends thereof, arranged to operate between the adjustable plows" (lines 62-68).
Date: May 31, 1881
Creator: Smith, Joseph F.
Partner: UNT Libraries Government Documents Department

Sawing-Machine

Description: Patent for an improvement in the invention of sawing machines. Illustrations and instructions are included.
Date: March 21, 1883
Creator: Irwin, Hall M.
Partner: UNT Libraries Government Documents Department

Locomotive Valve Gear.

Description: Patent for a new and improved valve-gear. This design "is especially designed for locomotive-engines; and the invention consists of a combination of rockers, shafts, arms, levers, links, and connecting-rods worked from the cross-head of the locomotive exclusively, and so arranged as to give the valve a correct motion" (lines 7-13).
Date: December 8, 1885
Creator: Lewis, Wallace James
Partner: UNT Libraries Government Documents Department

Spark Arrester.

Description: Patent for a new and improved spark arrester. This design consists in "[t]he combination, with the stack, of the upper and lower portions . . . of the inner cylinder, separated by the annular opening, the spiral wing-guide, the collar-flange, between the stack-wall and [a] section, and the cylindrical partition below said collar-flange in the flue" (lines 73-79).
Date: November 25, 1884
Creator: Jones, James A.
Partner: UNT Libraries Government Documents Department

Car Axle Box.

Description: Patent for a new and improved car-axle box. This design consists "[i]n an axle-box, the combination, with the box having the wedge-shaped projections and slots, of the cover having pins and wedge-shaped recesses formed between said pins and the top of the lid, whereby the gravity of the cover will wedge it to the box when the pins are without a bearing" (lines 52-58).
Date: June 9, 1885
Creator: Scott, James O.
Partner: UNT Libraries Government Documents Department

Coffee Roaster.

Description: Patent for a new and improved coffee roaster. This design "provides a means whereby [one] can utilize the heretofore wasted heat ascending the stove-pipe to roast coffee and other similar articles, thereby securing for other purposes the large amount of space over or near the fire heretofore occupied by the coffee-roaster; and the invention consists in a novel construction and arrangement of parts" (lines 13-21).
Date: November 30, 1880
Creator: Brown, Maurice T.
Partner: UNT Libraries Government Documents Department

Clothes Hook.

Description: Patent for a new and improved clothing hook. This design utilizes elastic, vulcanized rubber end-pieces for the hooks to hold the article of clothing more effectively. These end-pieces can be produced more cheaply than their threaded-metal counterparts, which require screwing on.
Date: March 29, 1881
Creator: Delany, John L.
Partner: UNT Libraries Government Documents Department

Railroad-Splice.

Description: Patent for an improved railway rail joints that consists of cross-ties, rails with the top flanges of the ends cut away, a joint plate, and bolts.
Date: March 21, 1893
Creator: Quinn, William & Berry, John S.
Partner: UNT Libraries Government Documents Department
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