UNT Libraries Government Documents Department - 378 Matching Results

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Acetylene Gas Generator

Description: Patent for acetylene gas generator. Illustration included.
Date: February 28, 1905
Creator: Gribble, William A.

Acetylene-Gas Generator

Description: Patent for a generator that runs on acetylene gas with a component that releases excess gas in the event the gasometer is overcharged, including illustrations.
Date: November 14, 1905
Creator: Menczer, Samuel A.

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.

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: June 20, 1905
Creator: Dickey, John Splann

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustrations included.
Date: April 4, 1905
Creator: Wallace, William A.

Adjustable Headlight-Reflector

Description: Patent for an adjustable headlight reflector for train engines which will shine the light straight in front of the train.
Date: March 16, 1909
Creator: Pratt, James R.

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.


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


Description: Patent for a new and useful animal trap, including instructions and illustrations.
Date: November 14, 1899
Creator: Johnson, Joshua J.


Description: Patent for an improved self-setting trap that can capture and kill animals while preventing them from reaching the bait.
Date: August 28, 1906
Creator: Sheridan, William H.


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


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


Description: Patent for an ant trap with a removable bottom which allows the trap to be emptied easily.
Date: September 20, 1910
Creator: Miller, Charles R.

Antifriction Device for Cranks and Pitmen

Description: Patent for an antifriction device used to "prevent dust and grit from accumulating in the anti-friction bearings" (lines 17-18). Illustrations included.
Date: December 24, 1907
Creator: Neighbour, William W.

Apparatus for Bleaching Cotton

Description: Patent for an apparatus for treating lint cotton as it passes from the gin for bleaching. Illustration included.
Date: February 25, 1908
Creator: Brennan, John B.

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.


Description: Patent for an ash pan for trains. Illustrations included.
Date: May 16, 1911
Creator: Spratley, George

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

Automatic Damper-Regulator.

Description: Patent for an automatic steam damper-regulator that is simply constructed, and can quickly close and open its damper in the flue of the boiler or furnace.
Date: February 13, 1894
Creator: Gaston, Stephen M.

Automatic Grain-Measuring Machine.

Description: Patent for automatic grain-measuring machine, with illustrations. The purpose of this automatic grain-measuring machine is to be an improvement to already existing machines.
Date: April 10, 1888
Creator: Grissom, Abram Jackson.

Automatic Mail and Parcel Delivery Apparatus

Description: Patent for a automated motorized mail delivery vehicle that travels in the air on electric lines on poles to deliver incoming mail and retrieve outgoing mail from rural routes or parcels in urban areas.
Date: March 5, 1907
Creator: Dederick, Zadoc P.