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Machine for Filing Gin Saws.

Description: Patent for a new and improved machine to sharpen the teeth of cotton gin saws. This design utilizes two bevel-faced wheels connected to a block between two arms that clamp the saw blade. The bevel-faced wheels sharpen the teeth of the blade, and the nuts and bolts of the frame allow for movement as well as tightening and loosening.
Date: August 17, 1880
Creator: McAllister, Alexander F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Door Fastening.

Description: Patent for a new and improved car-door fastening. This design "consists in a novel construction and arrangement of a staple, a hook-hasp, key, and a key-plate, whereby several advantages are obtained . . . for securing the sliding doors of box-cars and other railway-cars" (lines 8-14).
Date: April 19, 1881
Creator: Alexander, Francis Marion
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Angle Cock Device

Description: Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date: March 9, 1915
Creator: Ellwood, Thomas B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Life Boat.

Description: Patent for a new and improved life boat. This design "consists in providing a steam-launch with a float on each side, secured by suitable strong braces thereto, and to provide said floats with a hand-rail, so that persons can hold onto said rails, and are prevented from being washed off" (lines 17-22).
Date: March 13, 1883
Creator: Dwyer, Daniel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton and Hay Presses.

Description: Patent for improvements in baling-presses. It consists of movable followers and a sliding drum that has a ratchet secured to a clutch and a shaft. It includes illustrations.
Date: January 21, 1879
Creator: Smithson, Richard T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Harness-Pad.

Description: Patent for "an improved fastening for harness pads or housings which is equally adapted for sweat-pads for horse-collars." (Lines 11-14) Includes instructions and illustrations.
Date: March 15, 1892
Creator: Powell, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design is of "an automatic car-coupling pin that can be adjusted and used for coupling cars having the ordinary draw-bars and coupling pins" (lines 10-13).
Date: July 8, 1884
Creator: Schofield, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn

Description: Patent for a churn designed for churning butter in smaller quantities and preventing foreign objects from entering. Illustrations included.
Date: January 5, 1909
Creator: Bland, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and improved wrench. This design is "especially adapted for manipulating pipe-joints, though applicable, also, for use in manipulating nuts, &c.; and it consists in the [novel] detailed construction and combination of operating parts" (lines 24-28).
Date: September 21, 1880
Creator: Weir, Duncan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Arrester

Description: Patent for "improvements whereby the sparks from a locomotive will be passed directly from the flues through the stack and the outer air will be admitted, which will keep the cinders in motion and force them through fine perforations and against the hard surfaces until they are thoroughly pulverized and all the fire therein is extinguished, and which .will thereby prevent the danger to combustible products by fire thrown from an engine and which will not in any way decrease or interfere with th… more
Date: June 28, 1892
Creator: Curran, John William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spirometer

Description: Patent for "an improved spirometer, and has for its object to provide a simple, inexpensive, and efficient device of this character adapted for use by invalids, convalescents, and other persons for exercising the lungs and measuring and indicating the cubic capacity or volume of air expelled from the chest." (lines 8-15)
Date: August 4, 1903
Creator: Lyttleton, Henry Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Table.

Description: Patent for a new and improved table. This design "is to increase the utility of tables by providing them with drawers extending from side to side, that will open from either side of the table, and also providing the drawers with additional means of support that will enable them to contain articles of great weight without injury to the structure, and thus adapt the same for use in stores" (lines 10-18).
Date: October 13, 1885
Creator: Davis, James Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut-lock. This design "is to produce a nut-lock which will require a minimum number of parts to adjust, will require no other tools than a wrench, which will stay where adjusted in spite of any amount of pounding or concussion, and which, when desired, may be removed without difficulty. To this end [the] invention consists in a nut provided with a serrated face and a washer having sharp spring-lips engaging with the serrations. [The] invention also consists in a pe… more
Date: December 6, 1887
Creator: Parks, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate Latch.

Description: Patent for a new and improved gate latch. This design "will automatically lock the gate or door when swung closed and which will firmly hold the same, which can be readily opened by hand or otherwise" (lines 17-20). It consists in "[t]he latch consisting of the case, the two triangular catches, the transverse pivots therefor in the lower outer corners of the case, the rigid stops at the lower outer corners of the case to prevent outward swing of said catches, the inwardly and laterally extendin… more
Date: May 24, 1892
Creator: Haggar, Morys
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piston Packing.

Description: Patent for a new and improved piston packing. This design consists in a "piston head cast entire and having radial arms bored out, in combination with the piston-segments, the steam-ports in the piston-plates, and stems of said segments, packing expansible rings on said stems, and the expansible packing-rings inclosing the said piston-segments" (lines 87-93).
Date: February 7, 1888
Creator: St. James, Henry L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Harness-Collar.

Description: Patent for harness collars for horses and mules. This harness collar "is to provide a collar having adjustable fastening mean which preferably are also adjustable as between themselves whereby a better adjustment of the collar is made possible" (lines 22-27)
Date: January 2, 1917
Creator: Mahone, Edwin W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rope Attachment.

Description: Patent for a new and improved rope attachment. This design "relates to a novel and useful device which is adapted to be rigidly and substantially secured to the end of a rope, and which is constructed with a curved lip on its protruding end, so that when pressed over the loop of a snap-hook it will form a link or jointed connection of the snap-hook with the rope, ferrule, or clamp" (lines 12-19).
Date: August 13, 1889
Creator: Powell, John Seymour
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Draft-Beam for Cars.

Description: Patent for certain new and useful improvements in draft beams for cars, including instructions and illustrations.
Date: May 24, 1898
Creator: Saling, Thomas W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-couplings

Description: Patent for "an automatic car-coupling, that may also be readily coupled with the common pin-and-link and other couplings, and be adjusted without going between the cars, so as to avoid all danger" (lines 14-18).
Date: August 24, 1875
Creator: Harper, Peter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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