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Plow

Description: Patent for a plow with adjustable height and depth with a locking mechanism.
Date: July 1, 1902
Creator: Michalka, Joseph
Partner: UNT Libraries Government Documents Department

Railway-Crossing

Description: Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date: March 30, 1909
Creator: Adams, Powell O.
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date: January 21, 1908
Creator: Adams, Powell O.
Partner: UNT Libraries Government Documents Department

Quilting-Frame

Description: Patent for improved quilting frame which may be set up easily, and folded down and stored when not in use. Additionally, the improved design provides for fabric to be secured on all sides, and for the operator to adjust the angle of the fabric.
Date: July 10, 1906
Creator: Berglund, John M.
Partner: UNT Libraries Government Documents Department

Gate-Hinge.

Description: Patent for "an adjustable hinge for use in connection with a suitable upper hinge, for supporting gates in such manner as to permit of their being opened in either direction and allowed to close automatically," and which "also allows the gate to be adjusted to suit the inclination of its supporting-post, or to have its outer end elevated to a sufficient degree to permit dogs and other small animals to pass freely under same when closed." (Lines 8-19) Includes instructions and illustrations.
Date: June 11, 1895
Creator: Westmoreland, Hugh S.
Partner: UNT Libraries Government Documents Department

Portable Oven.

Description: Patent for outdoor use of the Dutch oven and skillet converting the cover of the Dutch oven as a way to suspend frying pan or gridiron over coals to heat, including illustration.
Date: July 12, 1859
Creator: Morrel, Z. N.
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Distributing Fertilizers.

Description: Patent for the improvement of fertilizer-distributer which dispense fertilizers from a hopper with revolving arms that is mounted on top of a plow like machine, which would allow the fertilizers fall into the furrow. Including illustration.
Date: September 27, 1859
Creator: Morrel, Z. N.
Partner: UNT Libraries Government Documents Department

Engineer's Level-Rod

Description: Patent for an engineer's level-rod which introduces a peculiar manner of marking the scale upon the face of the rod.
Date: November 30, 1880
Creator: Lynch, Michael L.
Partner: UNT Libraries Government Documents Department

Engineer's Level-Rod.

Description: Reissued patent for an improvement in engineer's level which introduces a novel manner of marking the scale upon the face of the rod.
Date: April 5, 1881
Creator: Lynch, Michael L.
Partner: UNT Libraries Government Documents Department

Cotton Stalk Puller.

Description: Patent for a new and improved cotton stalk puller. This design utilizes "[a] pulling-wheel having radial jaws that are opened and closed by cam devices" when "[i]t is driven astride the [cotton] row, and will be found to operate rapidly and with absolute certainty. It is simple, durable, and may be constructed at a very small expense" (lines 79-84).
Date: March 15, 1881
Creator: Wilson, John C.
Partner: UNT Libraries Government Documents Department

Steam Engine.

Description: Patent for a new and improved steam engine. This design "consists in the construction and novel arrangement, in connection with a cylinder having bearings for the piston-shaft at each end and steam and exhaust ports at opposite ends, of an axially-elongated piston having opposite spiral threads or ribs of gradually-decreasing pitch from the end at which the steam enters to the end at which it escapes" (lines 19-26).
Date: July 3, 1883
Creator: Wilson, John C.
Partner: UNT Libraries Government Documents Department

Axle Skein.

Description: Patent for a new and improved axle skein. This design consists in "[t]he combination of the axle-spindle having a collar at its inner end and provided with a longitudinal groove at its outer end, and the bushing having a rib which engages the groove and a projection which engages the notch in the collar" (lines 29-35).
Date: September 20, 1887
Creator: Nott, Henry William
Partner: UNT Libraries Government Documents Department

Vermin Poison.

Description: Patent for "insecticide compositions for exterminating prairie-dogs, ants, &c." (lines 6-7), including dosages and instructions for use.
Date: October 13, 1885
Creator: Womack, John David
Partner: UNT Libraries Government Documents Department

Power Device for Baling Presses.

Description: Patent for a new and improved power device for baling presses. This design "relates to certain new and useful improvements in power devices for baling-presses of that class wherein is employed a disk rigidly fixed to the shaft of the crank and a disk loosely mounted on said shaft; and it has for its object to improve upon prior constructions of this character. [This design] hinge[s] the lugs on the loosely mounted disk, and, preferably, place a spring between the said lug and the disk, so that either the weight of the lug or the force of the spring will project or suspend the lug" (lines 13-24).
Date: August 5, 1890
Creator: Cass, Thomas M.
Partner: UNT Libraries Government Documents Department

Combined Shaft Holder and Wrench.

Description: Patent for a new and improved shaft-holder and wrench. This design "consist[s] of the arms having their lower ends tapered to form screw-drivers of different sizes, the heads on the upper ends of the arms, the jaws on the heads, and the threaded shaft attached to one of the arms and engaging a tapped aperture in the other arm" (lines 92-98).
Date: January 8, 1889
Creator: Nott, Henry W.
Partner: UNT Libraries Government Documents Department

Power Device for Baling Presses.

Description: Patent for a new and improved power device for baling-presses. This design consists, "with a suitable frame, of a crank-shaft journaled therein, a pitman, and two disks, one loosely and the other rigidly mounted on said shaft and provided, respectively, upon their adjacent faces with a pair of shoulders and a lug, the length of the cut-away portion between said shoulders being greater than the length of said lug, whereby independent movement of the two disks is permitted, and a sweep rigidly attached to the loosely mounted disk" (lines 79-89).
Date: February 11, 1890
Creator: Nott, Henry W.
Partner: UNT Libraries Government Documents Department

Mechanical Power.

Description: Patent for a new and improved engine. This design "relates to a combined room-ventilator and fly-hand; and it has for its object to provide a device of this character which shall be simple in its construction and thoroughly efficient and effective in its operation. With these ends in view the invention consists in the improved construction and combination of parts" (lines 9-17).
Date: May 20, 1884
Creator: Ellis, James W.
Partner: UNT Libraries Government Documents Department

Improvement in Sawing-Machines.

Description: Patent for improved sawing-machine, which can be operated either horizontally or vertically so that trees may be felled and cut up with one machine, the driving mechanism of which is in a protective housing.
Date: January 27, 1874
Creator: Morey, Harvey & Bellah, Samuel H.
Partner: UNT Libraries Government Documents Department