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Puncture-Proof Auto-Tire

Description: Patent for puncture-proof auto tires aimed at reducing (or eliminating entirely) automotive tire punctures and blowouts. The design prioritizes the protection and strengthening of tire walls for these purposes alongside a simplicity in design which lends itself toward (comparatively) low manufacturing costs.
Date: June 14, 1921
Creator: Fenley, Robert H.
Partner: UNT Libraries Government Documents Department

Printing Rule and Slug and Type-Form.

Description: Patent for rules and slugs that are quickly and easily arranged and that lock securely to make a type form, including one illustration.
Date: January 4, 1921
Creator: Markwell, Andrew E.
Partner: UNT Libraries Government Documents Department

Mold for Making Fan-Belts.

Description: Patent for a three-piece mold which allows for fan belts to be made using a single piece of rubber or composition material. The fan belts would primarily be used in motor vehicles.
Date: December 27, 1921
Creator: Hibbs, Cassell D.
Partner: UNT Libraries Government Documents Department

Maternity and Invalid Chair.

Description: Patent for a folding chair designed specifically for the use and comfort of the sick and disabled.
Date: March 22, 1921
Creator: Read, Edwin T. & Bartz, Adolph J.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for a washing machine that has better water pressure for washing that prevents damage to garments. The design for the washing machine also reduces production costs.
Date: June 14, 1921
Creator: Latham, Minnie M.
Partner: UNT Libraries Government Documents Department

Monkey-Wrench.

Description: Patent for a monkey wrench that "can be adjusted for different sizes of nuts by the same hand which is using the wrench...and which may also be used as a pipe wrench" (lines 16-21).
Date: January 11, 1921
Creator: Kirkpatrick, Otey R.
Partner: UNT Libraries Government Documents Department

Detachable Inside Door-Lock.

Description: Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date: September 6, 1921
Creator: Arledge, Elbert H.
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

Aeroplane

Description: Patent for an aeroplane that is inexpensive and easily built, while preventing the aeroplane from going into a tailspin.
Date: December 13, 1921
Creator: McGee, Dan
Partner: UNT Libraries Government Documents Department

Culinary Utensil

Description: Patent for a culinary utensil designed as a unique fork which can retrieve articles from a boiling pot without having to expose the hands to the steam.
Date: August 2, 1921
Creator: Brown, Elmer D.
Partner: UNT Libraries Government Documents Department

Automatically-Operated Gate and Door

Description: Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date: April 9, 1921
Creator: Brown, George W.
Partner: UNT Libraries Government Documents Department

Grain Bag Holder

Description: Patent for Grain Bag Holder which is a simple device that will enable an operator to hold a bag securely at one side of a chute and which holder will quickly release the bag at the will of the operator.
Date: August 23, 1921
Creator: White, Ira B.
Partner: UNT Libraries Government Documents Department

Strap Binder or Lock and Record-Check.

Description: Patent for an improved strap-binder or lock and record-check that is "simple, effective, and comparatively inexpensive" to manufacture (lines 8-11).
Date: July 7, 1921
Creator: Glisson, Amos A.
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

Package-Binder and Hooks Therefor and Record-Check

Description: Patent for a simple, effective, and relatively economical way to secure items when shipped or handled. The patent includes strap binders, hooks and straps therefor, and a record check.
Date: November 8, 1921
Creator: Glisson, Amos A.
Partner: UNT Libraries Government Documents Department

Fire-Extinguisher for Aeroplanes and the Like.

Description: Patent for a fire extinguisher apparatus to be used in air crafts, boats, and other vehicles designed to be lightweight and to quickly extinguish fires.
Date: July 5, 1921
Creator: Clark, Walter C.
Partner: UNT Libraries Government Documents Department

Garment-Hanger.

Description: Patent for a garment hanger "for the support of outer garments...and which will also embody a rack for shoes, the hanger being so constructed that it will occupy a minimum amount of space..." also "to support a considerable weight without any likelihood of sagging or breakage...that the greater the weight imposed thereon, the more firm will be the connection between these parts" (lines 11-15, 21-28). It also includes an illustration.
Date: August 9, 1921
Creator: Fulford, Marcus F.
Partner: UNT Libraries Government Documents Department

Refrigerating Apparatus.

Description: Patent for a refrigerating apparatus that is inexpensive and accessible to market owners, including illustrations.
Date: June 21, 1921
Creator: Moore, Harrison E.
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

Holder for Car and Locomotive Replacing Frogs

Description: Patent for improving railway car frog replacement and holding. The improvements include greater strength and durability and low cost manufacture.
Date: November 1, 1921
Creator: Keith, Darwin E.
Partner: UNT Libraries Government Documents Department

Method of Repairing Scored Cylinders.

Description: Patent for repairing scored cylinders in internal combustion engines by making the cylinders as smooth and hard as before they were scored and by filling the scores with metal to maintain the firmness.
Date: July 12, 1921
Creator: Eury, Zebulon J.
Partner: UNT Libraries Government Documents Department

Flytrap.

Description: Patent for a "new and improved fly trap arranged to insure [sic] a proper transfer of the flies or other insects" in such a way that the trap bait is preserved for repeated use (lines 14-16).
Date: May 31, 1921
Creator: Wallace, William Simpson
Partner: UNT Libraries Government Documents Department

Crude-Oil-Refining Process.

Description: Patent for improvements in the crude oil refining processes and apparatuses. The invention focuses on creating an inexpensive and simplistic system that relies on temperature.
Date: January 25, 1921
Creator: Evans, Jewett G. P.
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for rotary engine, with improvements to rotary engine fluid pressure for motors or engines which pump fluids (such as water motor, water pump, oil pump, ammonia pump or compressor).
Date: December 27, 1921
Creator: Johnson, Louis V.
Partner: UNT Libraries Government Documents Department
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