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Break-Out Pin.
Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date:
October 21, 1919
Creator:
Headrick, James O.
System:
The Portal to Texas History
Core-Barrel.
Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date:
October 14, 1919
Creator:
Humason, Granville A. & Childs, William L.
System:
The Portal to Texas History
Change-Speed Mechanism for Tractor-Truck Motor-Vehicles
Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.
Date:
October 28, 1919
Creator:
Miller, William J.
System:
The Portal to Texas History
Cattle-Guard
Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date:
October 28, 1919
Creator:
Fisher, Thomas M.
System:
The Portal to Texas History
Air Pump
Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date:
October 28, 1919
Creator:
Keating, P. W.
System:
The Portal to Texas History
Apparatus for Separating or Concentrating Ores.
Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
Date:
October 21, 1919
Creator:
Cole, David
System:
The Portal to Texas History
Cotton-Delinter
Patent for a durable and inexpensive machine that remove cotton seed from lint.
Date:
October 21, 1919
Creator:
Young, Edwin H.
System:
The Portal to Texas History
Automatic Gas Control for Gas Water-Heaters.
Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date:
October 7, 1919
Creator:
Hamilton, Paul H.
System:
The Portal to Texas History
Boiler-Skimmer.
Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date:
October 14, 1919
Creator:
Phillips, Eugene N. & Dick, Harvey H.
System:
The Portal to Texas History
Book Cover Protector
Patent for improvements to book cover protectors. This protector is adjustable and can be attached to a book with adhesive or tongue-and-slit construction.
Date:
October 14, 1919
Creator:
Walraven, A.T. of Dallas, Texas
System:
The Portal to Texas History
Apparatus For Treating Petroleum.
Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date:
October 28, 1919
Creator:
Andrews, Benjamin & Averill, Willard C., Jr.
System:
The Portal to Texas History
Machine for Buffing Inner Tubes and the Like.
Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date:
October 21, 1919
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History
Interliner for Tires
Patent for a liner that goes inside of an inner tube that is inside of a pneumatic tire. The device works to help slow flats in tires and improve the structure of a tire.
Date:
October 7, 1919
Creator:
McDonald, John P.
System:
The Portal to Texas History
Windmill.
Patent for a windmill with vanes that can compensate for varying wind speeds without being damaged by high winds.
Date:
October 21, 1919
Creator:
Ochoa, Victor Leaton
System:
The Portal to Texas History
Trap
Patent for an improvement on traps. This trap is primarily insect and pest control, meant for ants and flies.
Date:
October 17, 1919
Creator:
Miller, William B.
System:
The Portal to Texas History
Well-Cleaner.
This invention relates to an improved well cleaner, and has for its principal object to provide a device of this kind adapted to be positioned in a well casing to direct a volume of air into the casing for cleaning the valves and straining elements thereof. A further object of the invention is to provide an automatic means for sealing the cleaner for holding the fluid within the well casing, against back pressure, during the cleaning operation. (Lines 8-19)
Date:
October 18, 1919
Creator:
Sargent, Lemuel H.
System:
The Portal to Texas History
Store Furniture
Patent for a piece of furniture that can hold rolls wrapping paper of various size. The rolls are contained in a device that rotates and allows the user to select and easily pull paper from roll.
Date:
October 21, 1919
Creator:
Nicks, John H.
System:
The Portal to Texas History
Mechanism for Rotating Earth-Drill Bits.
Patent for a mechanism for rotating earth-drill bits that introduces an up and down motion.
Date:
October 7, 1919
Creator:
Nippert, Worley
System:
The Portal to Texas History
Tool-Heater
Patent for tool heaters "adapted to heat a soldering iron by gas" (lines 9-10) to increase the heat applied to the tool, including illustrations.
Date:
October 21, 1919
Creator:
Juergens, Ernest
System:
The Portal to Texas History
Measuring, Weighing, and Registering Machine.
Patent for machine that automatically weighs cotton seed while in transit from the cotton gin or grain from the grain elevator to the mill.
Date:
October 21, 1919
Creator:
Muirhead, Alfred Robert
System:
The Portal to Texas History
Pump.
Patent for improvements to liquid or fluid related pumps. This improvement will allow for a free flow of liquid without getting stuck, sticky, or full of sediment.
Date:
October 11, 1919
Creator:
Humason, Granville A.
System:
The Portal to Texas History
Tool Holder.
Patent for a device to hold a tool with a beveled edge against an emery wheel for the purpose of sharpening. The tool holder can be adjusted and used for multiple tool types.
Date:
October 7, 1919
Creator:
Quillin, Alphonso L.
System:
The Portal to Texas History
Toy Dish.
Patent for a toy dish that is lightweight, attractive, durable, and cheap to manufacture. The design utilizes celluloid coverings.
Date:
October 14, 1919
Creator:
Luthy, Joseph O.
System:
The Portal to Texas History
Projecting-Machine.
Patent for improvements to a projector that relate to advertising. The inventor references adjustments to a previous patent, No. 1069521 from August 5, 1913. Adjustments include making the device more accurate and reliable, and to adapt it to be able to display opaque surfaces, postcards, and other printed items during any time of day. Additionally, the revoluble slide magazine has a mechanism that allows it to operate continuously without assistance from the operator.
Date:
October 7, 1919
Creator:
Bernard, Oscar C.
System:
The Portal to Texas History