UNT Libraries Government Documents Department - 46 Matching Results

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Air Pipe Coupling

Description: Patent for the air-pipe coupling. This invention relates to improvements in couplers for air other liquid pipes. The improvement is primarily designed for connecting the fluid pipes of an air brake system between the locomotive and coaches of railway trains.
Date: September 23, 1916
Creator: Bonelli, Liborio C.
Item Type: Refine your search to only Patent

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

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

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
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Rotary Force-Pump

Description: Patent for an improved type of water pump that operates using a method where "valves of each piston work parallel to each other and through the cylinders at points diagonally opposite" (lines 15-17)
Date: September 23, 1902
Creator: Frank, Samuel M.
Item Type: Refine your search to only Patent

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

Cattle-Guard.

Description: Patent for a cattle guard to prevent animals from going on railroad tracks by installing plates which grate and rock if an animal steps on them to scare the animals away from the tracks.
Date: August 23, 1910
Creator: Herring, Henry H.
Item Type: Refine your search to only Patent

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

Telltale Switch

Description: Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
Item Type: Refine your search to only Patent

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

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
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