UNT Libraries Government Documents Department - 476 Matching Results

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Agitator.

Description: Patent for an improved device to produce a useful agitation of liquid in washing machines by configuring the paddles or blades in the most effective manner, including illustrations.
Date: February 23, 1915
Creator: Babek, Aloysius S.

Animal-Poke.

Description: Patent for "a combined animal poke and halter of simple, inexpensive, and efficient construction whereby stock to which the device is applied are prevented from forcing through or throwing their weight against barbed and other wire fences, and also whereby a halter strap or chain may be readily applied thereto to provide for securing the stock in their stalls when stabled." (Lines 8-16) Includes instructions and illustrations.
Date: October 6, 1896
Creator: Parker, William H.

Animal-Trap.

Description: Patent for a "self-setting" (line 16) trap with a "tilting platform" (line 17) including an illustration. The trap is designed to retain the animal and is made for easy removal of the animal.
Date: September 9, 1913
Creator: Trull, Harvey L.

Apparatus for Forming Gun Barrels.

Description: Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.

Apparatus for Removing Cores from Cylindrical Cotton-Bales.

Description: Patent for a "means for removing screw-threaded cores from cylindrical cotton-bales" (lines 12-14). It is made up of a wheeled-truck that is holding the bale, an apparatus that grips the end of the core, a way to revolve the grip, a driven shaft, and a universal joint that connects the shaft with the end of the core.
Date: December 31, 1895
Creator: White, Charles W.

Atomizer.

Description: Patent for an atomizer meant to distribute liquids, powders, and vapors. Its parts can be easily changed so it can be used in different situations, for cleaning, and to make its use more efficient.
Date: October 2, 1894
Creator: Rees, H. Clay

Atomizer.

Description: Patent for improvements in atomizers or instruments for distributing powders or liquids in which it provided “provision for closing the exit-passage and preserve the strength of the medicated powders or fluid and permit of the carrying of the same within the body of the device without danger of spilling.” (Lines 17-21) The rubber bulb is detachable and is used as a powder-box or as a bottle for fluid. Illustration is included.
Date: July 21, 1891
Creator: Robinson, Henry

Automatic Gun Firing Mechanism.

Description: Patent for an automatic gun firing mechanism intended to protect gardens, orchards, and fields by scaring off birds and other animals that destroy crops through automatic discharge of a firearm at predetermined intervals.
Date: March 18, 1913
Creator: Steinocher, John

Automatic Railway-Gate.

Description: Patent for an automatic railway-gate or cattle-guard for use "at crossings, the entrances to tunnels, bridges or trestles, or at other places where it is desirable to guard the tracks" (lines 11-13). The invention is a simple and effective way for closing gates, can be operated from a distance, and is controlled by the wheels of passing trains.
Date: August 14, 1894
Creator: Baade, John

Automatic Recording Apparatus for Vehicles.

Description: Patent for an improved automatic passenger register and mileage recorder for vehicles that travel on rails. It consists of a roller that is actives by a time motor, a strip that the roller moves, a pressure roller, a pair of rollers that a record sheet is wound between, a mechanism that controls movements of the pair of rollers, electromagnets that are connected to the seats, armature levers that mark the electromagnets current, a bell crank lever that marks the moving record sheet, and a sprin… more
Date: October 10, 1893
Creator: Baade, John

Automatic Train-Pipe Coupling

Description: Patent for a coupler adapted to be employed for operatively uniting the fluid pressure pipes of a pair of railway vehicles, when the vehicles are coupled up. The invention aims to improve the construction of the main pipe through the instrumentality of which the coupling operation is immediately effected, and to provide a means whereby the pipe is mounted in such a way as to have the necessary movemtns.
Date: January 11, 1916
Creator: Cobb, John Ollen
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