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Well-Drilling Rig.

Description: Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date: February 3, 1920
Creator: Bradford, Robert M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Transmission-Gear

Description: Patent for improvements in motor vehicle transmissions in which all gears mesh at one time as opposed to being shifted and are "obtained by clutching different selected drive gears to the drive shaft of the transmission." (lines 18-20)
Date: August 3, 1920
Creator: Downie, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tobacco-Pipe.

Description: Patent for a new tobacco pipe capable of trapping nicotine in a removable bowl to facilitate the cleaning process. The pipe also includes a trap for saliva that prevents any saliva from returning to the smoker's mouth regardless of pipe angle. The pipe is manufactured with minimal parts reducing need for repair.
Date: February 3, 1920
Creator: Gerhard, William Henry.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shock Absorber

Description: Patent for "Improvements in Shock Absorbers" (lines 6-7) including illustrations.
Date: February 3, 1920
Creator: Regenbrecht, Bernhard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thread-Cutter.

Description: Patent for "a simple and efficient thread or twine cutter which may be conveniently worn in the manner of a finger ring when in use, or may be applied or attached to the usual type of thimble for use." (lines 13-17) This invention can "be inexpensively stamped from sheet metal." (lines 21-22)
Date: February 3, 1920
Creator: Cade, King C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Removable Pass-Book.

Description: Patent for a book with a removable cover that lies flat when open and fits within a pocket. Particularly suited for bank books, also known as passbooks.
Date: May 3, 1921
Creator: Exline, Marcus P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Filer and Gummer

Description: Patent for adding an attachment to aid in "sharpening and gumming the teeth of circular saws particularly such saws as are used in cotton gins" (lines 13-15). The attachment works with a device for which the inventor previously received a patent. (Patent No. 1,180,270)
Date: February 3, 1920
Creator: McMicken, Thomas W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Folding Landing-Gear for Aircraft.

Description: Patent for improvement in folding landing-gears for an aircraft. Once the aircraft is at the sustention in the air, the wheels and attendant parts will fold up into the aircraft.
Date: February 3, 1920
Creator: McCarroll, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fuse Block

Description: Patent for improvements to Patent No. 1113528. Invention provides a fuse block where the fuses can be replaced by a lineman without being in close proximity to the primary circuit wires. Invention also allows various types of fuses to be used.
Date: May 3, 1921
Creator: Anderson, Lou Belle
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a riding cultivator that keeps the shovel gangs positioned "parallel with the line of the draft, or with the longitudinal axis of the machine" (lines 19-21), by shifting them in the direction that the driver guides the wheels. The cultivator also provides a means to keep the depth of cultivation as uniform as possible when working on uneven ground or in different kinds of soil.
Date: January 3, 1922
Creator: Mayer, Henry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes Hanger.

Description: Patent for clothes hanger that is made of a singular piece of wire. The hanger also features the capability to hold an entire three piece suit: coat, vest, and trousers.
Date: January 3, 1922
Creator: Stapp, Jesse W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drafting Implement

Description: Patent for drafting implement, for laying out or plotting curves of different degrees and combining the functions of a plurality of implements into a single implement.
Date: January 3, 1922
Creator: Tanner, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Resilient Tire Filler

Description: This patent addresses resilient tire fillers, presenting a novel approach by providing a filler for tire casings in segmented sections. Each section incorporates sealed, airtight cavities designed as radially arranged columns, ensuring the tire retains the full benefits of pneumatic resistance and resiliency.
Date: January 3, 1922
Creator: Collins, Warren
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drill Bit

Description: Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
Date: January 3, 1922
Creator: Thomas, Martin E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Turntable.

Description: Patent for an improved turntable "designed to be attached to and carried beneath a motor car" (lines 12-13) that would allow the car (train car) to be elevated or lowered onto railroad tracks. The device includes a base, pedestals, and a rotatable base.
Date: January 3, 1922
Creator: Westmoreland, James P. & Bullington, John D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rolling Fender

Description: Patent for improvements in rolling fenders. The invention can be attached to an earth working device, such as a cultivator, to prevent clods of dirt being thrown and crushing small plants. Multiple discs will crush the clods and prevent the dirt from sticking to the rolling fender.
Date: May 3, 1921
Creator: Wright, Joseph Hansel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock for Automobiles

Description: Patent for a new inexpensive, secure, and convenient to use lock for automobiles to be secured against theft, or use, while the lock is attached.
Date: May 3, 1921
Creator: Godbey, Walter H., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insecticide-Holder.

Description: Patent for an insecticide holder having improved and "novel means for discharging the insecticide" (lines 10-11).
Date: May 3, 1921
Creator: Irwin, Herbert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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