UNT Libraries Government Documents Department - Browse


Rotary Engine.

Description: Patent for a new and improved rotary engine, including instructions and illustrations.
Date: October 10, 1899
Creator: James, William Francis


Description: Patent for a new and useful improvement in hunting knives, including instructions and illustrations.
Date: September 5, 1899
Creator: Shelton, William J.


Description: Patent for new and useful improvements in wrenches, including instructions and illustrations.
Date: December 5, 1899
Creator: Rollins, Edgar C.

Two-Piece Box.

Description: Patent for certain new and useful improvements in two piece boxes, including instructions and illustrations.
Date: November 28, 1899
Creator: Armstrong, Martin

Attachment for Ice-Boxes.

Description: Patent for an attachment for ice-boxes which is "a vessel for the reception of ice and having a surrounding series of compartments for the reception of the matter to be refrigerated" (lines 11-14).
Date: April 3, 1900
Creator: Moyes, Aceph B.


Description: Patent for improving the design so that when it is closed it forms loops for holding the window's curtains, while also being inexpensive and strong.
Date: May 7, 1901
Creator: Durant, George W.


Description: Patent for rotary pump designed to counterbalance thrust at each step by a "series of lifting-wheels mounted upon a common shaft" (lines 10-11) in order to minimize wheel thrust.
Date: October 22, 1901
Creator: Baker, Josheph W.


Description: Patent for improvements in the construction of water evaporation milk-coolers to make them more easily taken apart and arranged for shipping and preventing ants from entering the device and getting in the milk. Descriptions of the parts of the device and illustrations are included.
Date: June 10, 1902
Creator: Whaley, William L.


Description: Patent for a water pump. Illustration included.
Date: February 13, 1903
Creator: Park, Henry Jackson & Darrough, Rufus Clark

Improvement in Bee-Hives.

Description: Patent for a bee-hive that prevents insects (such as moths) from entering therein and maximizes the amount of honey collected from the hive, including a detailed explanation and description of the illustration.
Date: March 5, 1878
Creator: Park, Jesse W.

Support for Wire Fences.

Description: Patent for improvements to supports for wire fences, so that wooden posts and other supplemental devices are not necessary. Includes instructions and illustrations.
Date: October 1, 1891
Creator: Weeks, Frank B.


Description: Patent for a new and improved breakwater. This design "furnish[es] breakwaters for protecting harbors and roadsteads, and keeping open channels through bars at the entrances of harbors, the mouths of rivers, and in other places, and which shall not be liable to be destroyed by the marine worm" (lines 13-19).
Date: August 9, 1881
Creator: Follett, Alexander Glass

Canal or Ditch Digging Machine.

Description: Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle.
Date: August 20, 1895
Creator: Hoefs, Otto


Description: Patent for a pump-strainer that cleans and separates water or other liquid that is drawn from wells or reservoirs.
Date: May 28, 1895
Creator: Durant, George W.

Oar Lock Attachment.

Description: Patent for an oar-lock attachment that allows the oar to be removed but not easily disconnected, using a hook on the oar with a spring plate and an eye on the boat gunwale, with illustrations.
Date: December 20, 1892
Creator: Livingston, Joseph R.

Electro-Medical Belt

Description: Patent for "a suitable belt or other support carrying movable contact-plates, a galvanic battery, an induction-coil, connections between the battery and coil, and conductors connecting the secondary wire of the coil to the contact-plates through which the shock is to be conveyed, the contact-plates being provided with suitable binding-screws or other connectors, and also having suitable flaps or insulators for covering them when not in use" (lines 21-31).
Date: June 18, 1889
Creator: Shelton, William J.


Description: Patent for an improved life boat that "consists principally of a central closed hull equipped with propelling machinery, and floats extending on the sides of the said hull and rigidly secured thereto, to support the hull in position." (Lines 12-16) Includes instructions and illustrations.
Date: September 1, 1896
Creator: James, William F.

Electro Medical Belt.

Description: Patent for a new and improved electro-medical belt. This design "consists in a belt or support constructed of multiple-ply electro-conductive belting, which [the design] make[s] by inserting a conductor or conductors between the folds of a multiple-ply band with suitable contact-points at the surface, a sling supported by and movable on the belt for carrying the electric generator, also constructed of the electro-conductive belting, and having detachable connectors between its contact points and those of the belt-contact plates, consisting of disks or plates provided with tongues" (lines 18-29).
Date: April 1, 1890
Creator: Shelton, William J.

Device for Distributing Insect Powder.

Description: Patent for a new and improved bug sprayer. This design consists in "the combination of the body of the bellows and the perforate wall or sieve arranged longitudinally therein, dividing the bellows into two compartments, with a nozzle or an air-outlet communicating with one compartment, whereby material placed in the other compartment on the opposite side of the sieve is agitated by the operation of the bellows and delivered to the air-blast in a comminuted state" (lines 25-35).
Date: December 24, 1889
Creator: Hogarth, William H. J.

Wire Stretching and Splicing Tool.

Description: Patent for a wire stretching and splicing tool used when repairing barbed wire and other wire fences. It connects the ends of broken wires by bringing them together and twisting them. It has a wire gripping device, an adjustable end that corresponds to the wire gripper, a way to separate the above listed parts and bring them back together again, and a clamping device.
Date: April 30, 1895
Creator: Bauve, Odelon Joseph la


Description: Patent for a new and improved wheel. This design "relates to improvements in that class of expanding wheels in which the hub is provided with an inclined abutment, on which the inclined ends of the spokes rest, the said spokes being clamped in position and adjusted on the abutment by clamping collars; and the invention consists in the peculiar construction and arrangement of parts" (lines 8-15).
Date: August 11, 1885
Creator: Mecham, George Wate

Process of and Apparatus for Extracting Crystallized Sugar from Bagasse.

Description: Patent for a new and improved extractor of crystallized sugar from bagasse. This design "is to save a percentage of [the] loss in the [sugarcane] juice, and also to secure a part, if not all, of the crystallized sugar from the refuse or bagasse or from any other plant producing saccharine matter. To that end [the invention] subject[s] the bagasse to a process which extracts the remaining juice and the crystallized-sugar by suction and atmospheric pressure" (lines 13-21).
Date: February 19, 1884
Creator: Yale, Thomas Blossom


Description: Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date: April 18, 1893
Creator: Harris, Stephen G.


Description: Patent for an insecticide specifically for insects that burrow into the shucks of corn. "The general object of my invention is to provide a compound capable, when affected by moisture incidental to the sweating of the corn in the crib, of generating a poisonous gas which will permeate the shucks and reach and destroy the insect within the shucks, where it cannot be destroyed by simply sprinkling the corn with a poisonous powder or solution" (lines 17-25).
Date: September 13, 1892
Creator: Carter, Joseph John