UNT Libraries Government Documents Department - 27 Matching Results

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Aeroplane

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}

Automatically-Operated Gate and Door

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.

Bale-Tie Buckle

Patent for new and valuable improvements on bale-tie buckles for cotton bales. This relates to buckles securing ties on cotton bales and minimize injury to the persons handling the cotton.

Date: March 22, 1921

Creator: McFarland, Frank Hays

Box Bull and Calf Wheel Gudgeon.

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

Bushing Extractor and Inserter

Patent for the creation of a manner in the method of bushing extractors and inserters.

Date: February 22, 1921

Creator: Renfro, Leonardo E.

Crude-Oil-Refining Process.

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.

Culinary Utensil

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.

Detachable Inside Door-Lock.

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.

Fertilizer and Method of Producing the Same.

Patent for a new and improved condensed fertilizer formula that can be easily transported and is stable enough to be stored without appreciable deterioration, resulting in cost savings.

Date: November 22, 1921

Creator: Poynor, Camp, L.

Fire-Extinguisher for Aeroplanes and the Like.

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.

Flytrap.

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

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.

Holder for Car and Locomotive Replacing Frogs

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.

Machine for Cutting Tire-Casing Treads and Removing Beads

Patent for machines for extracting beads and for cutting treads of tire casings. It is to provide a convenient device for operating on tire casings which are to be stripped and separated into the original elements and to save much labor and avoid much expense.

Date: October 4, 1921

Creator: Hibbs, Cassell D.

Maternity and Invalid Chair.

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.

Method of Repairing Scored Cylinders.

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.

Mold for Making Fan-Belts.

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.

Monkey-Wrench.

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.

Package-Binder and Hooks Therefor and Record-Check

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.

Pipe Tongs.

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.

Pneumatic Cushioned Tire.

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.

Printing Rule and Slug and Type-Form.

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.

Puncture-Proof Auto-Tire

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.

Refrigerating Apparatus.

Patent for a refrigerating apparatus that is inexpensive and accessible to market owners, including illustrations.

Date: June 21, 1921

Creator: Moore, Harrison E.