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Wrench.

Description: Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
Partner: UNT Libraries Government Documents Department

Wall Construction

Description: Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.
Date: April 19, 1921
Creator: Needham, Edward F.
Partner: UNT Libraries Government Documents Department

Portable Locomotive-Valve-Seating Machine.

Description: Patent for improvements to valve-seating machines that allows for them to be constructed simply.
Date: July 19, 1921
Creator: Mooney, James J. & Bennet, Richard E.
Partner: UNT Libraries Government Documents Department

Pump-Actuating Mechanism.

Description: Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.
Date: April 19, 1921
Creator: Dean, Robert A.
Partner: UNT Libraries Government Documents Department

Treatment of Ores.

Description: Patent for the treatment of ores which has a improvised process of chloridizing ores, concentrates, and other metallurgical products.
Date: April 19, 1921
Creator: Hirt, Jules Hector
Partner: UNT Libraries Government Documents Department

Washing-Machine

Description: Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date: April 19, 1921
Creator: Seifert, John W.
Partner: UNT Libraries Government Documents Department

Saw-Table Gage.

Description: Patent for a saw-table cutting stop that can be very quickly set and which automatically indicates the distance from the stop to the saw.
Date: April 19, 1921
Creator: Krocker, Adolf G.
Partner: UNT Libraries Government Documents Department

Truck.

Description: Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.
Date: April 19, 1921
Creator: Ortgier, Walter C.
Partner: UNT Libraries Government Documents Department

Truss.

Description: Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.
Date: April 19, 1921
Creator: Downie, James H.
Partner: UNT Libraries Government Documents Department

Process of Forming Tubes

Description: Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).
Date: April 19, 1921
Creator: Rees, Herbert C.
Partner: UNT Libraries Government Documents Department

Concrete Building Mold.

Description: Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date: April 19, 1921
Creator: Rossiter, Jay A
Partner: UNT Libraries Government Documents Department

Collar Fastener and Supporter

Description: Patent for an object that provides the collar support and is hidden.
Date: July 19, 1921
Creator: Hudson, George J.
Partner: UNT Libraries Government Documents Department

Drier.

Description: Patent for a drier, specifically to dry saturated grounded food items. This device is best used for flour from corn to dry before processing it to a powder form, but can also be used for other types of cereal.
Date: July 19, 1921
Creator: Garza, Pablo Gonzalez
Partner: UNT Libraries Government Documents Department

Box Bull and Calf Wheel Gudgeon.

Description: Patent for protection and strengthening of box bull and calf wheel gudgeons. The purpose is to prevent various troubles with well drilling (oil, etc.).
Date: July 19, 1921
Creator: Taylor, James Thomas
Partner: UNT Libraries Government Documents Department

Oil Burner.

Description: Patent for oil burner improvements, including economic and easily handle to control the pressure to control the oil and steam within the burner head.
Date: April 19, 1921
Creator: Obenshain, Kyle Derias
Partner: UNT Libraries Government Documents Department

Process of Distilling Hydrocarbons

Description: Patent for distilling hydrocarbons from crude petroleum oil.
Date: April 19, 1921
Creator: Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Reagent for Liquid-Battery Cells.

Description: Patent for a method of producing a "cheap and efficient substitute for copper sulfate for use in battery cells" (lines 14-16).
Date: April 19, 1921
Creator: Humphrey, David L. & Pittman, Carl L.
Partner: UNT Libraries Government Documents Department

Filtering Material.

Description: Patent for "improved filtering stuff composition" (lines 8-9), containing vegetable ashes and an insoluble binding agent for the purpose of purifying liquids.
Date: April 19, 1921
Creator: Müller, Enrique
Partner: UNT Libraries Government Documents Department

Grapple for Oil-Wells and the Like.

Description: Patent for an improved grapple device that can help recover rigging parts from oil wells, including illustrations.
Date: April 19, 1921
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Electric-Current Relay

Description: Patent for Electric-Current Relay to allow capability of use with either a direct or alternating current. This is adapted for economical use in constant temperature apparatus. Further, this technology avoids the possibility of "sticking of relay movable contacts".
Date: July 19, 1921
Creator: Lorenz, Charles O.
Partner: UNT Libraries Government Documents Department

Ice-Carrier.

Description: Patent for an adjustable ice carrier which can be attached to and removed from the running board of an automobile, including illustrations.
Date: April 19, 1921
Creator: Cronin, John J.
Partner: UNT Libraries Government Documents Department

Reamer.

Description: Patent for rotary reamers for progressively enlarging holes in pilot drills, particularly roller disk type reamers used in oil, water, or mining applications.
Date: April 19, 1921
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department
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