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Valve-Flushing Means

Description: Patent for a method of expelling debris and deposits in a foot valve, including illustrations.
Date: May 4, 1920
Creator: Coulson, William J.
Partner: UNT Libraries Government Documents Department

Wheel and Shaft

Description: Patent for a wheel and shaft designed for use in drilling oil and gas wells.
Date: October 4, 1921
Creator: Hudson, James Condron
Partner: UNT Libraries Government Documents Department

Window Attachment.

Description: Patent for a sash attachment that steadies the movement of the window sash within a window frame and prevent rattling.
Date: May 4, 1920
Creator: Dysart, Marby P.
Partner: UNT Libraries Government Documents Department

Locomotive Driving-Box.

Description: Patent for improvements in locomotive driving boxes. Designed to "eliminate the necessity of removing the driving wheels" (lines 13-14) to replace the crown brasses, "eliminate the necessity of removing the driving box" (lines 16-17) to avoid lateral wear, and eliminates the necessity of expensive machine work.
Date: May 4, 1920
Creator: Simmons, Arthur, W.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for an adjustable wire stretcher.
Date: January 4, 1921
Creator: Tompkins, Walter L.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date: January 4, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Pump-Piston.

Description: Patent for an improved pump piston used to pump oil from deep wells. The main improvement in this piston is that it is less susceptible to damage from sand or sediment by keeping sediment out of the piston valve, thus preventing it from accruing any long term damage that may render the piston irreparable. This design is also capable of fixing any wear due to sand or grit without removing the piston from the well.
Date: May 4, 1920
Creator: Coulson, William J.
Partner: UNT Libraries Government Documents Department

Marine Vessels

Description: Patent for new and useful Improvements in Marine Vessels. Relates to marine vessels used for towing timber.
Date: January 4, 1921
Creator: Collier, Hugh R.
Partner: UNT Libraries Government Documents Department

Stamping Machine.

Description: Patent for improvements to stamping-machines used for the purposes of marketing nuts. The device can efficiently perform the laborious act of stamping individual nuts with a trademark. It can be adjusted to stamp nuts of any size, along with other similar objects, without breaking or injuring the nut.
Date: May 4, 1920
Creator: Wischhesen, Frederick B.
Partner: UNT Libraries Government Documents Department

Pump-Plunger

Description: Patent for an improvement in Pump-Plungers. "It has a particular application to pumps of this character for use in oil or water wells where the liquid is mixed with sand" (lines 13-16), including illustrations.
Date: May 4, 1920
Creator: Mackenzie, Alexander S.
Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Description: Patent for improvements to vehicle spring wheels to replace pneumatic wheels, "embodying in its use relatively movable members having coil springs interposed therebetween whereby to secure the proper resilience" (lines 13-16) necessitating very few parts, including illustrations.
Date: October 4, 1921
Creator: Bush, Horace L. & Bryan, Andrew J.
Partner: UNT Libraries Government Documents Department

Sample Taking Device

Description: Patent for a sample taking device used in the process of drilling wells using water and a multi-armed unit that rotates to drill the stem into the ground.
Date: January 4, 1921
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department

Railway Cattle-Guard

Description: Patent for a railway cattle guard whereby the weight of the animal causes a barrier to emerge, but the barrier will be removed automatically when the weight is removed.
Date: January 4, 1921
Creator: Fountain, Henry L.
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

Pipe-Wrench.

Description: Patent for the improvement of the pipe wrench for heavy construction. This invention was made to allow workers to use a variety of parts and arrangements depending on the type of pipe they are working with.
Date: January 4, 1921
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Peanut-Roaster.

Description: Patent for a new and improved peanut roaster with a rotating drum that can sound an alarm after a certain interval of time and can be moved directly over a roasting flame, including illustrations.
Date: May 4, 1920
Creator: Peckham, Samuel C.
Partner: UNT Libraries Government Documents Department

Signaling-Boiler

Description: Patent for a signaling boiler designed to test food during the cooking process to determine whether food has completed cooking, and to signal via a whistle when said food is determined to have been properly cooked. Additional design details include the provision of a supporting mechanism for potatoes and other vegetables to rest on, as well as a compact form of the overall device.
Date: May 4, 1920
Creator: Kelley, Marven
Partner: UNT Libraries Government Documents Department

Roofing-Tile.

Description: Patent for an improved plastic roofing tile with sealing, locking, pseudo-dove tail joints.
Date: May 4, 1920
Creator: Martin, John M.
Partner: UNT Libraries Government Documents Department

Abrading Element For Tire-Patch Containers

Description: Patent for an improved tool that is affixed to tire-patch containers. It is used for abrading the surface of a tire to effectively roughen it (without the use of sandpaper) to allow the adhesion of a patch. Includes illustrations.
Date: January 4, 1921
Creator: Duffy, Jesse A.
Partner: UNT Libraries Government Documents Department

Covertible Stock and Freight Car.

Description: Patent for an improved process of constructing convertible stock and freight train cars, including illustrations.
Date: May 4, 1920
Creator: Wyatt, Everett
Partner: UNT Libraries Government Documents Department

Calipers.

Description: Patent for calipers that make it easier to read measurements, by having a strip of measuring tape at the ends that allows users to determine the distance between the arms easier. The measuring tape component is also retractable.
Date: April 4, 1922
Creator: Miller, William James
Partner: UNT Libraries Government Documents Department

Arrangement and Construction of Self-Service-Store Fixtures

Description: Patent for new and useful improvements in arrangement and construction of self-service-store fixtures. This invention provides an arrangement of shelving in sections with other parts of store furnture, the shelving being so arranged and constructed that all available space is economically utilized and at the same time permits the goods displayed on the shelves to be visible from a designated point in the store to avoid surreptitious removal of any goods while providing ample room for customers … more
Date: October 4, 1921
Creator: Hill, Leslie A.
Partner: UNT Libraries Government Documents Department

Universal Household Grater.

Description: Patent for a new universal grater which eliminates the risk of injury the user may gain from grating materials.
Date: April 4, 1922
Creator: Lambdin, William McKendree
Partner: UNT Libraries Government Documents Department

Ointment.

Description: Patent for a general external application ointment made of chloride of zinc, powdered metallic cobalt, blood root, and glycerine.
Date: April 4, 1922
Creator: Mullins, Ervin L. & Collier, William R.
Partner: UNT Libraries Government Documents Department
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