UNT Libraries Government Documents Department - 368 Matching Results

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Acetylene Gas Generator.

Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.

Animal-Trap.

Description: Patent for improvements in animal-traps that would be capable of catching two animals; to set the trap, bait is placed upon the hooked ends of the bait-hooks, the jaws are elevated and retained in a position by the link-catches, which have the lower hooked ends engaging the trigger, which has its free end engaging the eye at the inner end of the bait hooks, thus setting the trap, (lines 66-73) ready to catch animals. Illustration is included.
Date: May 5, 1891
Creator: Anderson, Henry Clay

Animal Trap.

Description: Patent for a new and improved animal trap. This design consists in "the combination of the base-board having the opposite recesses and the transverse shaft, the yoke having the spring-coils mounted on the projecting ends of the shaft in said recesses, the standard having the holding-rod, the trigger, and the guards or prongs secured in the base-board" (lines 20-26).
Date: August 19, 1890
Creator: Anderson, Henry C.

Ant-Trap

Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Date: April 2, 1901
Creator: Inman, Joseph

Ant-Trap

Description: Patent for an ant trap "to provide a simple, inexpensive, and efficient one of great strength and durability adapted to be place over an ant-hill and capable of capturing the ant in the hill as they leave the same and also of catching the outside ants as they attempt to enter the hill. (line 11-17)
Date: May 26, 1903
Creator: Finley, William Frederick

Apparatus for Controlling Trolley Poles

Description: Patent for an apparatus for controlling trolley poles. "This invention relates to an apparatus for controlling trolley poles employed for effecting electrical connection between a trolley wire and a motor on a car, and has for its object to provide improved means for automatically throwing the trolley into position to be placed in engagement with the trolley wire" (line 9-15). Illustrations included.
Date: November 10, 1903
Creator: Bogue, Judson L. & Jennings, David M.

Apparatus for Raising and Lowering Wagon Bodies.

Description: Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combination of vertical supports, a lever pivotally supported therefrom between its ends and having a roller in one end, a shaft adapted to be secured to one end of the body, a cord having one end connected with the same end of the body as the shaft and passing over the roller and its opposite end attached to the shaft, and a cord attached to the opposite end of the body and to the adjacent end of the lever" (lines 69-78).
Date: December 9, 1890
Creator: Scott, Eugene Edward

Apparatus for Washing and Draining Dishes.

Description: Patent for a new and improved dishwasher. This design consists in "[t]he combination, with a pan provided near its top on the inner side with rigidly-attached brackets, with a tray in the form of a pan whose side and bottom portions are perforated . . . the tray being of less diameter and height than the pan and provided on its outer side near the bottom with brackets and on its upper edge with handles" (lines 94-101).
Date: January 14, 1890
Creator: Caradine, Virginia C.

Automatic Car-Switching System.

Description: Patent for "a system of switching where the cars of a train are pushed up an incline and placed successively on an elevated annular revolving platform, by which they are automatically distributed to their respective receiving-tracks" (lines 9-14).
Date: March 24, 1896
Creator: Lelardoux, Pierre