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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.
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Partner: UNT Libraries Government Documents Department

Improvement in Collars.

Description: Patent for a device improving the speed and efficiency of shirt collar fastening, as well as the securing of items such as scarves and ties, including illustrations.
Date: April 6, 1876
Creator: Mitchell, Frank G. & Saunders, William J.
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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.
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Partner: UNT Libraries Government Documents Department

Plastic Fence-Post.

Description: Patent for a plastic fence post that wire fencing or wooden rails can be attached to that has the connection areas on the post hollowed out to protect the parts from the weather.
Date: December 24, 1907
Creator: Libhart, Hugh P.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a reinforced plow shoe that eliminates frictional wear on the landside bar and reduces wear on the landside plate of the plow.
Date: October 16, 1917
Creator: Alston, William H.
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Partner: UNT Libraries Government Documents Department

Support for Attachment to Desks.

Description: Patent for "a stand, shelf, or holder for attachment to desks...for the purpose of supporting a type-writer [or] reference-book... the object in view being to provide a support of this character with means for attaching the same to a desk and means for swinging or revolving said support so that the... article may be readily and conveniently brought around to the front of the desk for use... and then swung back out of the way upon the side of the desk." (lines 12-24)
Date: August 11, 1903
Creator: Bell, William Jackson
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Partner: UNT Libraries Government Documents Department

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.
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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.
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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.
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Partner: UNT Libraries Government Documents Department

Grain-Door

Description: Patent for a grain car door that keeps the grain securely in the railroad car.
Date: November 26, 1912
Creator: Gradick, Wiley, Sr.
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Partner: UNT Libraries Government Documents Department

Harrow-Tooth

Description: Patent for an improvement in the device known as harrow tooth. Due to being constructed differently certain parts of the invention can be arranged any way the user wants and the harrow tooth is also capable of a more thorough cultivation and pulverization of soil which allows closer cultivation of crops or being more precise and thorough when digging up weeds.
Date: September 25, 1905
Creator: Smith, James Wilson
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Partner: UNT Libraries Government Documents Department

Guard-Rail Clamp.

Description: Patent for guard rail clamps to securely clasp guard rails with the main rail with features such as spikes and braces.
Date: March 12, 1912
Creator: Akers, Harry R.
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Partner: UNT Libraries Government Documents Department

Grave-Cover

Description: Patent for a device to provide a temporary cover to open graves made of non-rusting materials with adjustable length.
Date: September 19, 1912
Creator: Rankin, Daniel H. & Cox, William, E.
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Partner: UNT Libraries Government Documents Department

Gate-Latch.

Description: Patent for a gate-latch. A latch-pin secured in a beam, another latch secured to the inside of another post, with two pivoting hangers, and plates come together to form this latch.
Date: January 5, 1897
Creator: Berry, John S.
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Partner: UNT Libraries Government Documents Department

Felt Picker

Description: Patent for a felt picker. This invention is for use of piano-workmen in making flexible the felts in piano-actions.
Date: June 23, 1903
Creator: Bell, William Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hand Propelling Device for Sewing Machines.

Description: Patent for a new and improved crank for sewing machines. This design "is to provide propelling device for sewing-machines and similar treadle-power machines which shall dispense with the treadle-action and injurious strain which its use imposes . . . It consists in a rod jointed to the fly-wheel after the manner of a pitman, but which, instead of connecting with a treadle, is fashioned into a handle, which extends obliquely upward toward the operator, and is combined with and held in place by a… more
Date: April 10, 1888
Creator: Beaird, Kate Palmer
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Partner: UNT Libraries Government Documents Department
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