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Oil Well Screen.

Description: Patent for a new oil-well screen that prevents sand from entering an oil or water well but will allow oil and water through.
Date: February 14, 1922
Creator: Dobson, John A.
Partner: UNT Libraries Government Documents Department

Mop

Description: Patent for "a simple and durable construction of mop in which the fibre holding element consists of strands of twisted wire" (lines 9-11) designed such that the mop maintains its shape with or without the handle, including illustrations.
Date: June 20, 1922
Creator: Welch, James. S.
Partner: UNT Libraries Government Documents Department

Gripping Device.

Description: Patent for equipment for use in the drilling of wells to help with the placement of casing, pipes, etc. by holding it in place
Date: July 11, 1922
Creator: Moody, Joseph F.
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for an oil burner. This oil burner is designed to consume fuel in a cheaper and more economical manner.
Date: March 14, 1922
Creator: Mills, Virgil H. & Mills, John H. T.
Partner: UNT Libraries Government Documents Department

Nutcracker.

Description: Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date: December 5, 1922
Creator: Pitman, Henry M.
Partner: UNT Libraries Government Documents Department

Oil and Gas Burner

Description: Patent for a burner that can use both oil and gas as fuel.
Date: May 16, 1922
Creator: Oney, William M.
Partner: UNT Libraries Government Documents Department

Method of and Apparatus for Producing Transformation Effects

Description: Patent for a method of creating transformation effects through the use of particular colors of illumination, to be used in the theater, amusement houses, or other performances. The invention involves using lights whose colors can either "absorb" or "wash out" certain objects or designs of the same color while revealing objects of a complementary color.
Date: September 5, 1922
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Refrigerator

Description: Patent for improvements for vacuum refrigerators such that cold air circulation and heat exclusion are improved, including illustrations.
Date: June 27, 1922
Creator: Knutson, William K.
Partner: UNT Libraries Government Documents Department

Gas Producer.

Description: Patent for improvements to gas producers of the type in which combustible gases are evolved from coal, lignite, etc., during the incomplete combustion thereof.
Date: April 11, 1922
Creator: Johnston, Horace G.
Partner: UNT Libraries Government Documents Department

Electric Battery

Description: Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.
Date: October 24, 1922
Creator: Holmes, Frank M.
Partner: UNT Libraries Government Documents Department

Electric Hairbrush

Description: Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date: November 28, 1922
Creator: Harvey, Birdie
Partner: UNT Libraries Government Documents Department

Cultivator Foot

Description: Patent for a cultivator foot. This cultivator foot is designed to be a new kind of inexpensive, simple, and efficient cultivator foot.
Date: August 22, 1922
Creator: Dawson, Joseph E.
Partner: UNT Libraries Government Documents Department

Cotton Stalk Cutter and Insect Killer

Description: Patent for improvements to mechanical cotton stalk cutting and insect destroying apparatus. The machine's object is "cutting the stalks into small pieces, and the crushing the stalks so as to crush and destroy insects which may be upon the withered stalks." (lines 26-29).
Date: September 5, 1922
Creator: Batla, Thomas H. & Holan, Heny J.
Partner: UNT Libraries Government Documents Department

Shock Absorber

Description: Patent for a new and improved shock absorber which is "primarily intended for use as a connecting and cushioning medium between the upper and lower springs commonly employed under automobile bodies" (lines 12-15), including illustrations.
Date: November 28, 1922
Creator: von Roeder, Benno Gilbert & Oates, Eugene Caroway
Partner: UNT Libraries Government Documents Department

Rural Mail Box.

Description: Patent for improvements to rural mail boxes with divided interior compartments for incoming and outgoing mail. Mail box design includes flag to signal to recipients and postman of incoming and outgoing items. Additionally the design features interior and exterior doors that can be secured with a padlock to prevent mail from being stolen or tampered with, and to shield from various weather conditions.
Date: October 24, 1922
Creator: Dooley, Will Henry
Partner: UNT Libraries Government Documents Department

Sailboat.

Description: Patent for an improved sailboat with updated "arrangement of cables controlling the movements of the sails whereby the force of the wind alone is utilized to simultaneously shift all the sails... by merely changing the course of the vessel by actuating the rudder in the usual manner." (lines 10-16), including illustrations.
Date: September 12, 1922
Creator: Moraitis, Charalabos
Partner: UNT Libraries Government Documents Department

Steering Device and Brake for Tractors

Description: Patent for new and useful improvements for the steering and stopping of tractors, particularly for the machines that are extremely difficult and laborous to manually steer and apply brakes. The invention permits the controlling of the direction of movement of the behicle by disconnecting the source of power from the wheel(s) at one side while those at the other side contrinue to rotate under power. The invention allows for braking to be used to slow the motion of the tractor on downward grade o… more
Date: January 10, 1922
Creator: Lewis, Otto Leroy
Partner: UNT Libraries Government Documents Department

Molding Apparatus.

Description: Patent for a molding apparatus for forming precast concrete units used for constructing monolithic straight and curved walls, floors, ceilings, and other building structures.
Date: October 31, 1922
Creator: Nelson, William E.
Partner: UNT Libraries Government Documents Department

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J
Partner: UNT Libraries Government Documents Department

Direction Signal for Automobiles.

Description: Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.
Date: February 7, 1922
Creator: Womack, Foster B.
Partner: UNT Libraries Government Documents Department

Dirigible Headlight Construction for Automobiles.

Description: Patent for improvements in dirigible headlight constructions for automobiles. Two major useful improments are mentioned: a) a headlight that is constructed so that when a car turns, the headlight on the turning side of the car will alone be turned in the same direction and b) a headlight that is constructed so that the driver can manually turn either headlight, allowing the headlights to act as search lights if necessary.
Date: November 7, 1922
Creator: Ross, Maxwell
Partner: UNT Libraries Government Documents Department

Device for Washing Oil Wells.

Description: Patent for "a device for washing, cleaning, and sterilizing oil wells" (lines 10-11), including illustrations.
Date: November 21, 1922
Creator: Smith, Edward D. & Smith, Rebah Tillery
Partner: UNT Libraries Government Documents Department

Fuel Vaporizer for Carburetors.

Description: Patent for "an improvement in fuel heaters or vaporizers for use with carburetors for hydrocarbon fuel engines" (lines 9-12). The device "can therefore utilize those hydrocarbons of specific gravity much higher than gasoline, as fuel for internal combustion engines, with safety and with more economy than has heretofore been deemed possible." (lines 106-111).
Date: February 7, 1922
Creator: Smith, Maurice O.
Partner: UNT Libraries Government Documents Department

Gasoline Wash Furnace

Description: Patent for a gasoline wash furnace designed for use in heating water for clothea
Date: November 7, 1922
Creator: Adams, James V.
Partner: UNT Libraries Government Documents Department
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