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Well-Tubing Catcher

Description: Patent for an improved well tubing catcher, which "provides an equal and positive bearing surface for the gripper slips or dogs in all their adjusted positions" (lines 16-18), including illustrations.
Date: April 12, 1921
Creator: Wilson, Robert A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Device.

Description: Patent for well drilling device with new and useful improvements in well-drilling device for simultaneously drilling the main hole and an advance or "rat-tail" hole.
Date: March 1, 1921
Creator: Smith, Primus W. & Bookhout, John J.
Partner: UNT Libraries Government Documents Department

Well-Drilling Bit.

Description: Patent for a well drilling bit with a removable point and cutting edges "at a greater radial distance from the center of the bit" (lines 18-19). The point may be removed for sharpening or replacement.
Date: August 16, 1921
Creator: Midgett, Penelton G.
Partner: UNT Libraries Government Documents Department

Embroidery-Needle.

Description: Patent for an embroidery needle that is simplified version for easy use and avoid complications. The embroidery needle has a better grip for the user.
Date: March 15, 1921
Creator: Pade, George V. & Neitzel, Conrad T.
Partner: UNT Libraries Government Documents Department

Book-Support and Writing-Table.

Description: Patent for book support and writing table that adjusts to the item being used by the person. The tray is able to hold the item either a book or writing materials while adjusting to the user's needs. The book support and writing table can be folded to occupy little space.
Date: May 10, 1921
Creator: Taylor, Henry S.
Partner: UNT Libraries Government Documents Department

Vehicle-Body

Description: Patent for new and useful improvements in vehicle bodies - a vehicle for carrying groceries, vegetables, and other necessities, as a traveling store.
Date: March 29, 1921
Creator: Wieman, Herman A,
Partner: UNT Libraries Government Documents Department

Mechanical Riding-Horse.

Description: Patent for mechanical riding horse that is designed for children to use. It's purpose is a toy that can be ridden and travelled on as a tricycle.
Date: January 25, 1921
Creator: Finley, David Guy
Partner: UNT Libraries Government Documents Department

Oil-Stove

Description: Patent for improvements in oil burner stoves.Pertains more to oil stoves with movable burners so that the flame intensity can be adjusted or extinguished.
Date: May 10, 1921
Creator: Cook, Thomas Edward
Partner: UNT Libraries Government Documents Department

Paint and Varnish Removing Process.

Description: Patent for improvements to the removal process for paint and varnish. An invention of a solution that will cause finished coatings to be removed with less expense, less time, and no specifically skilled labor requirement to meet.
Date: March 1, 1921
Creator: Cleveland, David P.
Partner: UNT Libraries Government Documents Department

Motor- Driven Tire- Pump

Description: Patent for Motor-Driven Tire Pump. Motor tire pump that helps inflate tires.
Date: February 8, 1921
Creator: Guthrey Gordon N.
Partner: UNT Libraries Government Documents Department

Elevator Controlling Device

Description: Patent for improvements to the elevator controlling device. These improvements have to do with the main circuit being broken while the elevator doors are open, thus stopping the elevator from moving before the doors are fully closed.
Date: September 13, 1921
Creator: Quick, Charles F.
Partner: UNT Libraries Government Documents Department

Drill-Bit

Description: Patent for new improvement in drill-bits. The object of the invention is to "provide the driller with advanced knowledge of the formation into which he is about to extend his main hole".
Date: January 11, 1921
Creator: Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
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.
Partner: UNT Libraries Government Documents Department

Screen Fastener

Description: Patent for the attachment method for wire screens to a frame to prevent the detachment of the wire screen from the frame.
Date: February 22, 1921
Creator: McCaffrey, Horace
Partner: UNT Libraries Government Documents Department

Pump for Hydraulic Presses

Description: Patent for a hydraulic pump that drives at a uniform speed as the pressure of the press increases, and connects the pistons with two pairs of cylinders moving in opposite cycles.
Date: May 10, 1921
Creator: Henry, Nelson B.
Partner: UNT Libraries Government Documents Department

Pump or Motor

Description: Patent for a pump or motor that has pistons that move with or are actuated by a fluid (related to Patent 1,101,329). This pump or motor is an improved design that is more effective in transmitting power to the pistons.
Date: October 25, 1921
Creator: Reaugh, Fran
Partner: UNT Libraries Government Documents Department

Underreamer.

Description: Patent for a strengthened and improved underreamer for more effective well drilling.
Date: February 15, 1921
Creator: Montgomery, Gustavus A.
Partner: UNT Libraries Government Documents Department

Liquid or Gaseous Fuel Burning Furnace.

Description: Patent for a furnace that can be powered either by gas or liquid fuel. Designed specifically for improved insulation and fuel efficiency.
Date: March 1, 1921
Creator: Hoover, Orvill Lockwood Mead
Partner: UNT Libraries Government Documents Department

Needle for Hand-Embroidery and Similar Work.

Description: Patent for a hand embroidery needle that allows for easy swapping of different sized points.
Date: March 15, 1921
Creator: Pade, George V. & Neitzel, Conrad T.
Partner: UNT Libraries Government Documents Department

Perpetual Calendar.

Description: Patent for the improvement of calendars to create easier-to-read and quicker-to-adjust. These calendars were to be able to be used no matter the month or year and would always be accurate.
Date: February 1, 1921
Creator: Jones, L. Walter
Partner: UNT Libraries Government Documents Department

Game.

Description: Patent for a board game based on finance. The board game uses numbered discs that players own multiple quantities of that indicate their positions on the board.
Date: January 11, 1921
Creator: Sterling, Don L.
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater with a two-part jacket that allows the circulation of heat and products of combustion to maximize its fuel efficiency.
Date: June 21, 1921
Creator: Fowles, Alfred T.
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date: May 24, 1921
Creator: Martin, John J.
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
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