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Lock

Description: Patent for a keyless combination lock, including illustrations.
Date: July 23, 1901
Creator: Katzenberger, Oscar
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Tape-Worm Medicines.

Description: Patent for a compound called “Tape-Worm Medicine” that is used to “remove tape-worms from the human body speedily and effectually; and it consists in a composition formed from the fibrils of the roots of the pomegranate mixed with water” (lines 9-13).
Date: September 23, 1879
Creator: Nette, August
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Fences.

Description: Patent for improvement in iron fences by using rails and bars to support the braced posts. All the parts are easily taken apart, this flexibility allows the fence to be set on uneven as well as on level ground. Illustration is included.
Date: July 23, 1872
Creator: Lerick, Isaac N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Molds for Sewer-Building.

Description: Patent for a collapsible mold on wheels, allowing a sewer to "be built in sections around the mold and the mold moved along the trench as sections are completed" (lines 13-16) including illustrations.
Date: December 23, 1879
Creator: Burns, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric-Lamp Attachment.

Description: Patent for an electric-lamp attachment, "the primary object of this invention being the provision of a lamp socket attachment of supporting means in combination with a switch, whereby the current energizing the filament of an incandescent lamp is so controlled as to produce different degrees of incandescence in the filament and thus produce different degrees of radiance to produce a dim or a highlight as may be desired" (lines 9-18). Illustrations included.
Date: April 23, 1912
Creator: McNeel, William Pinkney
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Cracking Machine.

Description: Patent for an improved nut-cracking machine receiving-hopper and feeding-chute especially for pecans, but effective for any type of nut, "whereby the nuts are caused to assume a certain position to feed one by one in succession to the cracking mechanism and to then enter the cracking mechanisms in the appropriate positions. (p. 1, lines 26 -30). The improved machine also automatically adjusts for different sized nuts, including illustrations.
Date: March 23, 1915
Creator: Gebhardt, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Propeller

Description: Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pneumatic Cotton-Picker.

Description: Patent for an improved pneumatic cotton-picker that is meant "to produce a simple machine having a cotton receiving box or vacuum box and arranged to use both a blast and suction pipe, these pipes being oppositely arranged and the suction pipe being made to deliver into the cotton box" (lines 10-17). The cotton is sucked from the plants and delivers it into a cotton box. A guide lines the machine up with the row of cotton.
Date: May 23, 1893
Creator: Mauermann, Gustav A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Paper-Folder.

Description: Patent for a rotary paper folder meant to fold newspapers as they come from the press in a web. The invention is simple, and cuts the paper into sheets of the desired length. Its folding attachment folds the paper in parallel columns, and the knives do not move in relation to the cylinders.
Date: January 23, 1894
Creator: Carr, Elijah W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire-Tightener.

Description: Patent for a tire tightener that allows anyone, not just a mechanic to expand and contract the felly depending on the weather.
Date: March 23, 1897
Creator: Dobrowolski, William & Wise, Harry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for how a oil-burner works and invention in the oil-burner with more advanced features.
Date: May 23, 1916
Creator: Kunkel, Albert R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gage or Indicator for Liquid-Tanks.

Description: Patent for a gage or indicator for liquid tanks of inflammable and explosive liquids. Its main purpose is to prevent leakage to minimize danger from fire, including illustrations and instructions.
Date: April 23, 1912
Creator: Surber, Steven P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sewing Awl

Description: Patent for a sewing awl. Illustration included.
Date: June 23, 1908
Creator: Morgan, John W. & Luckenbach, Louis C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety Oil-Can

Description: Patent for a safety oil can. There are two items that are described in the figures. The first is intended to "prevent the contents of the can from becoming inflamed" and the second is to "provide a can from which oil may be poured into a blazing fire without danger from lighting and exploding the oil" (p. 6).
Date: February 23, 1886
Creator: Steeneken, Diedrich
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for Placing Torpedoes.

Description: Patent for "a device especially adapted for placing torpedoes on railroad tracks and at the same time fixing the torpedo in position, the work being accomplished in a simple and expeditious manner while the train is in motion, whereby one train following another may be signaled without stopping the first train, thus preventing rear end collisions." (Lines 7-15) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Seamands, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thill Coupling

Description: Patent for a thill coupling. This invention is designed to be placed between the rear end of the thill and the connection of the thill with the axle of a vehicle to reduce rattling noises.
Date: June 23, 1903
Creator: Trainer, Edgar
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Forge Locked Grating.

Description: Patent for a forge locked grating for use in jails, which does not collect dirt and is very rigid.
Date: November 23, 1909
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wood Screw.

Description: Patent for a new and improved wood screw. This design "consists of a screw-head having on the underside . . . cutting-edges alternating with flat and deep interspaces or notches, said notches completely filling the circuit of the screw-head and the notches gradually increasing in width and depth from the screw-shank to the crown of the head, thus enabling the cutters to clear themselves" (lines 12-20).
Date: November 23, 1880
Creator: Eckford, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for "an engine that is adaptable to all kinds of work, and which is capable of running the heaviest locomotive and the lightest sewing-machine with equal ease and satisfaction" (lines 9-13).
Date: April 23, 1889
Creator: Hines, John Fletcher, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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