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Wrench.

Description: Patent for a chain wrench "in which both of the jaws are similar and interchangeable and provided with additional sets of teeth whereby the life of the jaws is increased" (lines 12-16) including instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Improvement in Wheels for Vehicles.

Description: Patent for new and useful improvement in wagon hubs that includes one-piece attachment and spokes that can be cut by metal strips by exposed to no injury, including illustrations.
Date: March 18, 1873
Creator: McNalley, Michael
Partner: UNT Libraries Government Documents Department

Indexing Device.

Description: Patent for an indexer of paper documents in book form. It is made to open along the center with visible subject headings.
Date: January 18, 1921
Creator: Moran, Stanley C.
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a well screen to prevent the entrance of sand or gravel into the wall of a deep well.
Date: June 18, 1907
Creator: Stancliff, George W.
Partner: UNT Libraries Government Documents Department

Well-Reamer

Description: Patent for an improved well-reamer with a more stable and supported cutters to straighten or increase the size of the hole with less damage from wear.
Date: May 18, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Improvement in the Methods of Baling and Packing Cotton

Description: Patent for improvement in the methods of baling and packing cotton specifically optimizations in the packing and baling of cotton by avoiding all the mechanical appliances used in forming and securing bales of cotton, such as the press, canvas bagging, band, buckles, and bale-ties.
Date: July 18, 1876
Creator: Drake, James A. & Singer, Edgar C.
Partner: UNT Libraries Government Documents Department

Vending-Machine.

Description: Patent for improvements to vending machines especially ones used for vending drinks.
Date: May 18, 1915
Creator: Ogden, Carlton N.
Partner: UNT Libraries Government Documents Department

Tie-Cutter.

Description: Patent for tie cutters used to cut railway ties into parts in preparation to discard them from the tracks after their decay.
Date: July 18, 1916
Creator: Harber, William S.
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for the Manufacture of Gas from Oils.

Description: Patent for "machines for the manufacture of gas from oils, benzine, gasoline, &c.; and it consists in providing the tank or cistern with a retort constructed with an outer cylinder surrounding one or more cylinders or tubes, which inner cylinder is provided with perforated plates at the top and bottom thereof, and the space between said plates filled with sponge or other porous material, while the space or chamber between the inner and outer shell of the retort serves as a mixing-chamber for th… more
Date: June 18, 1872
Creator: Gearing, Charles & Gearing, Franklin A. G.
Partner: UNT Libraries Government Documents Department

Improvement in Balanced Valves.

Description: Patent for an improvement in the design of balanced slide valves for steam and other engines, including illustrations.
Date: March 18, 1873
Creator: Fitzsimmons, Henry.
Partner: UNT Libraries Government Documents Department

Protector for the Crown of Headwear

Description: Patent for a device fitted to the crown of a hat or cap, safeguard the garment from being soiled from repeated use.
Date: May 18, 1915
Creator: Roberts, Jones H. & Rolnick, Gus
Partner: UNT Libraries Government Documents Department

Speed-Regulating Mechanism

Description: Patent for a speed regulating machine for engines.
Date: October 18, 1910
Creator: Carpenter, John C.
Partner: UNT Libraries Government Documents Department

Oil-Can

Description: Patent for an oil can that prevents flames from going beyond the spout of the can and blocks gases from coming out of the can while still allowing the oil to be easily poured out.
Date: June 18, 1907
Creator: Harmon, William Ellis & Goodpasture, Thomas Boisarth
Partner: UNT Libraries Government Documents Department

Oil Can

Description: Patent for an oil can. This design is a non-explosive air vented for pouring can. Illustration included.
Date: June 18, 1907
Creator: Demory, Alexander F. & Suhm, Carl J.
Partner: UNT Libraries Government Documents Department

Railway-Rail Brace

Description: Patent for a rail brace to fortify the joints of railways. Illustrations included.
Date: July 18, 1911
Creator: Keaton, Walter A. & Peary, Andrew
Partner: UNT Libraries Government Documents Department

Pipe Wrench.

Description: Patent for a double acting pipe wrench with detachable jaws which can be easily removed and replaced, and which will allow a section of pipe to be turned in either direction. The patent includes instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for elevator supporting a locking mechanism to restrict movement in case of a broken cable preventing the elevator car "from dropping to the bottom of the shaft" (lines 16-17).
Date: July 18, 1916
Creator: Hathhorn, Robert A.
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings

Description: Patent for an improved car-coupling that lets cars couple automatically when they run together and uncouple automatically in the event of an accident. Includes instructions and an illustration.
Date: June 18, 1872
Creator: Jourde, Alfred J.
Partner: UNT Libraries Government Documents Department

Cotton Cleaner and Renovator.

Description: Patent for cotton cleaner and renovator, which can also be used for other fibrous materials. The machine is meant to clean and renovate second grade fiber to a degree that it may be rated as first grade on the market. Patent contains illustrations and instructions.
Date: April 18, 1916
Creator: Garner, James C. & Reynolds, Charles S.
Partner: UNT Libraries Government Documents Department

Cable Gripping Mechanism for Overhead Conveyor Systems.

Description: Patent for a new and improved cable gripping mechanism for overhead conveyor systems. This improved conveyor system can take a load from one point and conveyed to any other point along the conveyor.
Date: March 18, 1919
Creator: Hanak, Edward
Partner: UNT Libraries Government Documents Department

Soap-Making Apparatus.

Description: Patent for improvements in soap-making apparatus by using the “same frames to mix the ingredients and in cooling the prepared mass, thus obviating the necessity of the removal of the mixed mass from the mixing-frame to a cooling-frame.” (Lines 11-15) Illustration
Date: August 18, 1891
Creator: Grant, William A.
Partner: UNT Libraries Government Documents Department

Stove.

Description: Patent for a stove in which kerosene and other similar oils may be used as fuel. The stove is also designed to give the maximum amount of heat radiating surface by retaining the current of heated air in the flute chamber.
Date: March 18, 1919
Creator: White, Richard E.
Partner: UNT Libraries Government Documents Department

Freezer.

Description: Patent for improvements to freezers for freezing liquids and confections, with illustrations.
Date: May 18, 1897
Creator: Jordan, James T.
Partner: UNT Libraries Government Documents Department

Shutter Fastener

Description: Patent for a shutter fastener. Illustration included.
Date: December 18, 1906
Creator: Williams, John B.
Partner: UNT Libraries Government Documents Department
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