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Hydraulic Swivel (open access)

Hydraulic Swivel

Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.
Date: March 7, 1922
Creator: Black, Lee J.
System: The Portal to Texas History
Mechanism for Rotating Earth-Drill Bits. (open access)

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
Mine-Cart-Check Lock (open access)

Mine-Cart-Check Lock

Patent for improvements on mine-car-check lock technology. It provides a secure place for miners to put checks on the front of their cars and cannot be opened until the cart is empty.
Date: January 7, 1919
Creator: Williams, Ned
System: The Portal to Texas History
Method of Sealing The Walls of Oil-Wells (open access)

Method of Sealing The Walls of Oil-Wells

Patent for a method of sealing oil wells to avoid applying casing to the wells to prevent leakage, seepage, or cave-ins.
Date: December 7, 1920
Creator: Nolan, William E.
System: The Portal to Texas History
Measuring-Dispenser. (open access)

Measuring-Dispenser.

Patent for a fluid measuring dispenser with a dispensing receptacle, measuring scale, and cooperating gauge. The gauge displays the exact quantity of fluid dispensed as well as the amount remaining in the receptacle.
Date: January 7, 1919
Creator: Mauldin, Collumbus S.
System: The Portal to Texas History
Process of and Apparatus for Treating Oil (open access)

Process of and Apparatus for Treating Oil

Patent for a process of and an apparatus for treating oil in a more efficient manner.
Date: January 7, 1919
Creator: Seibert, Frank M. & Brady, John D.
System: The Portal to Texas History
Manufacture of Aluminum Chloride. (open access)

Manufacture of Aluminum Chloride.

Patent for improvements of manufacture of aluminum chloride, comprising "a method of utilizing certain oily residues which are the result of treatment of oils with aluminum chloride or with substances capable of forming aluminum chloride" (lines 11-14), including illustrations.
Date: February 7, 1922
Creator: McAfee, Almer M.
System: The Portal to Texas History
Tool Holder. (open access)

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
Projecting-Machine. (open access)

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
Sunken-Ship Indicator. (open access)

Sunken-Ship Indicator.

Patent for an object that can show the location a sunken boat from the surface of the water and can be carried in or by a boat and becomes operable once the boat sinks.
Date: September 7, 1920
Creator: Hlavaty, Joe, Jr.
System: The Portal to Texas History
Tire Structure (open access)

Tire Structure

Patent for a tire structure that eliminates circumferential differences and also renders a simpler, less expensive model for tire construction.
Date: October 7, 1919
Creator: Smith, Jesse G.
System: The Portal to Texas History
Ties and Fasteners for Railway-Rails (open access)

Ties and Fasteners for Railway-Rails

Patent for improved ties and fastenings for securing and binding together railway rails.
Date: December 7, 1920
Creator: Caudle, Robert E.
System: The Portal to Texas History
Surface-Treating Machine (open access)

Surface-Treating Machine

Patent for useful improvements to surface-treating machines with a "rapidly moving surface treating member," (lines 12-13) including illustrations.
Date: February 7, 1920
Creator: Clarke, Alex A.
System: The Portal to Texas History
Motor Starter (open access)

Motor Starter

Patent for a new motor starter design.
Date: January 7, 1919
Creator: Maha, Irwin J.
System: The Portal to Texas History
Tractor. (open access)

Tractor.

Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date: January 7, 1917
Creator: Hudgens, George Thomas
System: The Portal to Texas History
Gasoline Wash Furnace (open access)

Gasoline Wash Furnace

Patent for a gasoline wash furnace designed for use in heating water for clothea
Date: November 7, 1922
Creator: Adams, James V.
System: The Portal to Texas History
Hair-Clipper. (open access)

Hair-Clipper.

Patent for hair clips that have a protector that prevents the clip from digging into the skin or hair.
Date: September 7, 1920
Creator: Nicosia, Vincent
System: The Portal to Texas History
Grade-Indicator. (open access)

Grade-Indicator.

Patent for a grade indicator designed for land, air, and sea vehicles. It provides both lateral and longitudinal inclination with a simple construction.
Date: January 7, 1919
Creator: Shemeley, Jesse B. & Shemeley, Marion E.
System: The Portal to Texas History
Electric Water-Heater. (open access)

Electric Water-Heater.

Patent for a new electric water heater that forces water to travel around heated wires in tubes, including illustrations.
Date: May 7, 1918
Creator: Valdes, Salvador M.
System: The Portal to Texas History
Gate. (open access)

Gate.

Patent for a gate that can be manually controlled to open and close the gate when necessary.
Date: September 7, 1920
Creator: White, William Eugin
System: The Portal to Texas History
Trousers. (open access)

Trousers.

Patent for altering trousers to fit all sizes. The ready made trousers are provided with extra material and openings that allow the materials to be adjusted.
Date: June 7, 1921
Creator: Reyes, Benjamin Cardenas
System: The Portal to Texas History
Treatment of Crude Petroleum for Purification. (open access)

Treatment of Crude Petroleum for Purification.

Patent for the purification of crude petroleum by separating impurities such as sand and clay using a heat treatment.
Date: June 7, 1921
Creator: Bostick, Joseph Wallace & Homer, Charles H.
System: The Portal to Texas History
Sorghum Cutter. (open access)

Sorghum Cutter.

Patent for a machine to cut sorghum and similar standing crops
Date: December 16, 1919
Creator: Drgac, Charles
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump plunger for oil or water that is durable and will not require replacement.
Date: June 7, 1921
Creator: Humason, Granville A.
System: The Portal to Texas History