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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
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Partner: UNT Libraries Government Documents Department

Sanitary Cooking Table

Description: Patent for a sanitary cooking table, which has for its primary object the provision of a sanitary cooking table specially adapted for use in cooking schools.
Date: April 23, 1918
Creator: Laursen, Laust K.
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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.
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Partner: UNT Libraries Government Documents Department

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.
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Partner: UNT Libraries Government Documents Department

Bicycle.

Description: Patent for certain new and useful improvements in bicycles, including instructions and illustrations.
Date: January 23, 1900
Creator: White, Edward Y.
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Partner: UNT Libraries Government Documents Department

Basin-Protector

Description: Patent for a flexible basin lining that improves sanitation in areas where washrooms are often-used and rarely cleaned.
Date: January 23, 1917
Creator: Van Dunker, Charles L.
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Partner: UNT Libraries Government Documents Department

Car Axle Lubricator

Description: Patent for Car Axle Lubricator created with the specific intent of better lubricating the journals and bearings of car axles to prevent overheating with less waste of oil.
Date: December 23, 1919
Creator: Urbieta, Jose M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Camp Bedding-Roll

Description: Patent for a bedding roll in which the main sheet is adapted to receive a mattress or be stuffed with straw, grass, or leaves to enable it to be used as a bed-sack.
Date: April 23, 1918
Creator: Waugh, Julia Nott
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Brake.

Description: Patent for a brake (as it pertains to vehicles), that is operated by hand and that employs the use of brake bands and a drum to alter the momentum of a vehicle.
Date: May 23, 1922
Creator: White, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile-Tilting Machine.

Description: Patent for new and improved automobile jack that facilitates secured access to repair the underside of the automobile, including illustrations. Jack consists of a large frame, part of which is curved for tilting, water adjustable weight counterbalance, and wheel locking channels.
Date: March 23, 1920
Creator: Weimar, Fritz
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Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department
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