Antileak Composition. (open access)

Antileak Composition.

Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.
System: The Portal to Texas History
Well-Tubing Catcher (open access)

Well-Tubing Catcher

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.
System: The Portal to Texas History
Well-Drilling Device. (open access)

Well-Drilling Device.

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.
System: The Portal to Texas History
Well-Drilling Bit. (open access)

Well-Drilling Bit.

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.
System: The Portal to Texas History
Embroidery-Needle. (open access)

Embroidery-Needle.

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.
System: The Portal to Texas History
Book-Support and Writing-Table. (open access)

Book-Support and Writing-Table.

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.
System: The Portal to Texas History
Vehicle-Body (open access)

Vehicle-Body

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,
System: The Portal to Texas History
Mechanical Riding-Horse. (open access)

Mechanical Riding-Horse.

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
System: The Portal to Texas History
Oil-Stove (open access)

Oil-Stove

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
System: The Portal to Texas History
Paint and Varnish Removing Process. (open access)

Paint and Varnish Removing Process.

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: November 18, 1919
Creator: Cleveland, David P.
System: The Portal to Texas History
Motor- Driven Tire- Pump (open access)

Motor- Driven Tire- Pump

Patent for Motor-Driven Tire Pump. Motor tire pump that helps inflate tires.
Date: February 8, 1921
Creator: Guthrey Gordon N.
System: The Portal to Texas History
Elevator Controlling Device (open access)

Elevator Controlling Device

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.
System: The Portal to Texas History
Drill-Bit (open access)

Drill-Bit

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.
System: The Portal to Texas History
Removable Pass-Book. (open access)

Removable Pass-Book.

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.
System: The Portal to Texas History
Screen Fastener (open access)

Screen Fastener

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
System: The Portal to Texas History
Pump for Hydraulic Presses (open access)

Pump for Hydraulic Presses

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.
System: The Portal to Texas History
Pump or Motor (open access)

Pump or Motor

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
System: The Portal to Texas History
Underreamer. (open access)

Underreamer.

Patent for a strengthened and improved underreamer for more effective well drilling.
Date: February 15, 1921
Creator: Montgomery, Gustavus A.
System: The Portal to Texas History
Liquid or Gaseous Fuel Burning Furnace. (open access)

Liquid or Gaseous Fuel Burning Furnace.

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
System: The Portal to Texas History
Needle for Hand-Embroidery and Similar Work. (open access)

Needle for Hand-Embroidery and Similar Work.

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.
System: The Portal to Texas History
Perpetual Calendar. (open access)

Perpetual Calendar.

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
System: The Portal to Texas History
Game. (open access)

Game.

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.
System: The Portal to Texas History
Water-Heater. (open access)

Water-Heater.

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.
System: The Portal to Texas History
Tractor. (open access)

Tractor.

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.
System: The Portal to Texas History