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Steering Device for Wheeled Vehicles

Description: Patent for steering device for wheeled vehicles. This invention is designed to be used with cultivators, planters, sulky-plows, grain-drills, etc. Illustrations included.
Date: January 22, 1907
Creator: Love, John William
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock to keep nuts and bolts fastened. Illustrations included.
Date: December 22, 1908
Creator: Zoll, George
Partner: UNT Libraries Government Documents Department

Switch-Thrower for Electric Railways

Description: Patent for a switch-thrower for use with electric railways. This invention uses switch tongues via solenoids and engages a connection between the solenoids and the switch tongue. Illustrations included.
Date: February 22, 1910
Creator: Posey, James A. & Dunaway, John F.
Partner: UNT Libraries Government Documents Department

Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.

Description: Patent for the improvement of the process of forming individual foot forms or replicas of a person's specific foot. This alleviates a person having to go through the painful process of breaking in new shoes. The foot forms can then either be kept by the individual or by the shoe dealer for making future foot wear.
Date: March 22, 1921
Creator: Butler, James B.
Partner: UNT Libraries Government Documents Department

Process of Leaching Copper Ores

Description: Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.
Date: October 22, 1918
Creator: Hahn, Albert W.
Partner: UNT Libraries Government Documents Department

Moving Picture Machine.

Description: Patent for an improved moving picture machine, or film projector, including instructions and illustrations.
Date: September 22, 1914
Creator: Momyer, Harry H.
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock. Illustrations included.
Date: October 22, 1912
Creator: Martin, George W.
Partner: UNT Libraries Government Documents Department

Suction cotton harvesting and cleaning apparatus.

Description: Patent for "a suction cotton harvesting and cleaning apparatus for harvesting cotton" (Lines 10-11) with illustrations.
Date: October 22, 1901
Creator: Dannelly, Frank M.
Partner: UNT Libraries Government Documents Department

Telephone System.

Description: Patent for telephone system, which allows for locking the receiver hooks at all substations between two connected stations. It also allows for lines to be subdivided for the purpose of using more than one message at the same time.
Date: May 22, 1906
Creator: Gorden, James H.
Partner: UNT Libraries Government Documents Department

Military or Other Insignia

Description: Patent for improved military or other insignia pin. It is an attempt to improve the pin design with stronger materials and different construction methods.
Date: October 22, 1918
Creator: Semans, Clare L & Heiligman, Edward C.
Partner: UNT Libraries Government Documents Department

Tool Joint.

Description: Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date: March 22, 1921
Creator: Kreiter, Richard F.
Partner: UNT Libraries Government Documents Department

Washboiler

Description: Patent for improved Washboilers. The improvements provides a more efficient circulation of water to insure the proper cleaning of fabrics and prevent damage of the fabric.
Date: February 22, 1921
Creator: Patterson, Thomas Allison.
Partner: UNT Libraries Government Documents Department

Submarine Telescope.

Description: Patent for submarine telescope using a pair of longitudinal tubes, mounted lens, rigid rods, electric light bulb, and chains for securing to the boat. Intended as useful improvements to submarine telescopes with the objection to assist in locating submerged objects. Accompanied with illustrations.
Date: April 22, 1919
Creator: Armstrong, William S.
Partner: UNT Libraries Government Documents Department

Stock Car.

Description: Patent for improvement to stock cars, "so constructed that the hay-racks swing up automatically and the troughs can be lowered to be out of the way when not in use and can easily be swung up when the animals are to be watered" (lines 8-13).
Date: September 22, 1885
Creator: Lines, Daniel
Partner: UNT Libraries Government Documents Department

Pad for the Backs of Horses.

Description: Patent for a new and improved pad for horses. This design consists in "the air-tight cushion composed of opposite blanks of elastic air-tight material secured along their adjacent edges, and a central longitudinally-disposed dividing strip dividing the cushion into opposite compartments, and provided with openings affording communication between the compartments" (lines 62-68).
Date: April 22, 1890
Creator: Mudford, Charles
Partner: UNT Libraries Government Documents Department

Uterus-Battery.

Description: Patent for "a simple and compact electrical or galvanic device, adapted, when placed in the womb of a patient, to develop a mild electric action and thereby promote the flow of the menses and render the same regular and painless" (lines 16-19).
Date: May 22, 1894
Creator: Hinkley, Charles Samuel Whitney
Partner: UNT Libraries Government Documents Department

Music-Case.

Description: Patent for a "music case or holder for carrying, protecting, and using sheet-music, and is so constructed that by its use the music is not rolled nor creased, is held in place, and it is not necessary to take the music from the case when it is to be used." (Lines 8-13) Includes instructions and illustrations.
Date: October 22, 1895
Creator: Ray, Theodore
Partner: UNT Libraries Government Documents Department

Telephone Attachment.

Description: Patent for "a device which will support the weight of the telephone-receiver on the switch-lever whether the receiver be hung on the hooks of said lever or carelessly dropped, [the] object being to provide against the short-circuiting of the local battery when the telephone is not being used, whereby it would become uselessly exhausted, and also to insure that the signal-bell shall at such times always be in operative circuit with the central station, so that the annoyance to a distant exchange… more
Date: December 22, 1896
Creator: Christopher, William O.
Partner: UNT Libraries Government Documents Department

Pressed-Metal Wheel

Description: Patent for an improved pressed-metal wheel by inventor Oliver G. Simmons.
Date: October 22, 1918
Creator: Simmons, Oliver G.
Partner: UNT Libraries Government Documents Department

Internal-Combustion Motor.

Description: Patent for an internal combustion engine designed for better lubrication and simplicity of repair.
Date: March 22, 1921
Creator: Sanford, Harold M.
Partner: UNT Libraries Government Documents Department

Oil Trap

Description: Patent for improvements to floating oil traps. Floating oil traps are used to catch excess oil floating on top of refinery discharge canals. These improvements include increased flexibility, thus allowing the trap to move with the flow of the water.
Date: November 22, 1921
Creator: Jones, Robert P.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for "new and useful improvements in plows; and it has for its object the production of simple and highly-efficient means for regulating the depth and penetration of the plowshare in all kinds and conditions of soil." (Lines 10-15) Includes instructions and illustrations.
Date: October 22, 1895
Creator: Sinclair, James & Sellers, John
Partner: UNT Libraries Government Documents Department

Plow Mold Board.

Description: Patent for a new and improved plow mold board. This design "consists of a circular roll arranged in the mold-board near the point and covered with belting, which, in the forward movement of the plow, is revolved and carries the earth backward on an endless belt passing around rollers journaled in the end of transverse slots made in the mold-board, whereby, in the forward movement of the plow, the belt is revolved and the friction of the earth on the mold-board decreased and the plow scoured" (l… more
Date: August 22, 1882
Creator: Dahlman, Carl Oscar
Partner: UNT Libraries Government Documents Department
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