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Packer for Wells

Description: Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
Partner: UNT Libraries Government Documents Department

Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Partner: UNT Libraries Government Documents Department

Check-Writer.

Description: Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
Partner: UNT Libraries Government Documents Department

Combination Furnace and Cook-Stove

Description: Patent for combination furnace and cook-stove designed to burn charcoal and conserve fuel.
Date: June 28, 1921
Creator: Weaver, Bertha H.
Partner: UNT Libraries Government Documents Department

Refrigerator-Door.

Description: Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin
Partner: UNT Libraries Government Documents Department

Vegetable-Grading Apparatus.

Description: Patent for a vegetable grading apparatus that delivers select grades of vegetables to the picker, separating the majority of vegetables into containers. The apparatus prevents bruising of vegetables and allows the picker to see all sides of the vegetables.
Date: June 28, 1921
Creator: Rigney, Samuel C.
Partner: UNT Libraries Government Documents Department

Pipe Tongs.

Description: Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.
Partner: UNT Libraries Government Documents Department

Friction Transmission Mechanism.

Description: Patent for improvements toward friction transmission mechanisms. It would eliminate the use of some gears.
Date: March 28, 1921
Creator: McDermott, Henry
Partner: UNT Libraries Government Documents Department

Lock and Key.

Description: Patent for a lock which requires a key that is adjustable and difficult to duplicate in order to prevent lock picking.
Date: June 28, 1921
Creator: Dove, Bascom A.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Machine.

Description: Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.
Partner: UNT Libraries Government Documents Department

Roadway.

Description: Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
Partner: UNT Libraries Government Documents Department

Process and Apparatus for the Utilization of Heat in Oil-Engines.

Description: Patent for an invention that improves the utilization of waste or surplus heat of internal combustion engines, specifically oil-burning engines of the Diesel type. This invention will assist diesel engines to run satisfactorily on lower or heavier-grade engine oils. This assists in the efficiency and production of Diesel engines.
Date: June 28, 1921
Creator: Lucke, Herbert R.
Partner: UNT Libraries Government Documents Department

Pneumatic Cushioned Tire.

Description: Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date: June 28, 1921
Creator: Kerr, Augustus Hallawell; Smith, J. A.; Atkinson, J. M.; Dacus, J. A. & Coley, W. L.
Partner: UNT Libraries Government Documents Department

Mold for Casting the Hulls of Concrete Ships.

Description: Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Partner: UNT Libraries Government Documents Department

Measuring Vessel.

Description: Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
Partner: UNT Libraries Government Documents Department
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