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.

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

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.

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

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.

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

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

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

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.
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