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Stalk-Cutter Attachment

Description: Patent for improvements to stalk-cutter attachments to plows. The invention allows stalks to be cut by the plow and then turned under it into the soil to decrease labor an improve plow performance.
Date: April 7, 1919
Creator: Wylie, Arthur E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Valve-Gear for Steam-Engines.

Description: Patent for "an improvement in steam-engines which shall be so constructed as to give a full application of the steam and a free exhaust at regular intervals, which will enable the engine to be easily reversed, can be easily attached to any engine, which will enable an engine to be worked by water-pressure, will run smoothly and with very little friction, and will be very durable." (Lines 11-19) Includes instructions and illustrations.
Date: July 24, 1877
Creator: Davis, James H. & White, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Motor.

Description: Patent for a new and improved motor. This design "provide[s] an apparatus by means of which a series of weights or balls may be successively and continuously elevated to any given height, to be subsequently employed to operate any suitable machinery by gravitation" (lines 15-20).
Date: January 11, 1881
Creator: Conner, Laurance H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam Engine Governor.

Description: Patent for a new and improved steam-engine governor. This design consists in "the combination, with the valve-stem and governor-balls, of a lever connected with the said valve-stem, a weighted lever connected with the said valve-stem lever, a piston-rod connected with the said weighted lever, a piston attached to the said piston-rod, and a small cylinder in which the said piston operates, and which is connected at one end with the interior of the steam-chest" (lines 93-102).
Date: August 16, 1887
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Mining Sulfur.

Description: Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as… more
Date: December 27, 1921
Creator: Drachenberg, August Toby
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Expressing Cage and Press.

Description: Patent for improvements to Oil Expressing Cages and Presses "for the extraction of oil from cotton seed cake or the like" (lines 11-12) that allows for multiple oil cakes and press plates which can be "readily inserted in or removed from the press as occasion requires" (lines 22-23).
Date: October 26, 1920
Creator: Henry, Nelson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fence Wire Tightener.

Description: Patent for a new and improved wire-tightener. This design "relates to devices for tightening the wires of a wire fence whether in the act of building the latter or after it has been put up and the wire is stretched thereon; and the invention consists of a metallic lever-arm adapted to be seated and adapted to turn in a hole in the fence-post, and upon whose body the wire is tightened as the arm is revolved" (lines 9-16).
Date: September 3, 1889
Creator: Jinkins, Thomas William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Target-Throwing-Device

Description: Patent for a target throwing device which is an enhanced tool to efficiently target objects and is most useful for marksmen, including illustrations.
Date: January 25, 1910
Creator: Fridell, L.A
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stove-Lid and Damper

Description: Patent for a stove-lid and damper. Both the lid and damper have innovative spiral openings that can be brought into and out of alignment by rotation of the damper portion, thereby adjusting the size of the opening by which stove temperature can be adjusted.
Date: June 18, 1918
Creator: Parton, Clarence Ernest Stanhope
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Baling-Press

Description: Patent for an automatic hay baling press which has more packing devices for feeding the hay into the press than previous versions.
Date: August 3, 1909
Creator: Rahm, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for improving wrenches to reach "parts of machinery [that are] ordinarily difficult [to] access" (lines 12-13), specifically "used in removing or replacing the nut or nuts on a fourth connecting rod of a Ford motor [ . . . ] such rod being in a position difficult to reach by an ordinary wrench" (lines 17-21).
Date: October 26, 1920
Creator: Slagle, George R.; Garner, Arthur N. & Rushin, Willliam R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Printing-Press Gripper.

Description: Patent for a device to grip paper being carried between the type bed, rotary platen, and delivery belts of a printing press.
Date: October 30, 1917
Creator: Sadovsky, Nathan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for a form of tire designed in such a way to avoid the dangers of a punctured tire. This is done by an arrangement of crossing springs used to support the outer wall of the tire instead of inflatable medium.
Date: June 3, 1913
Creator: Dwiggins, R, Sam & Kelley, E, Lawrence
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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