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Design for a Paper Doll.

Description: Patent for a paper doll portraying a clothed pig standing on its hind legs.
Date: January 17, 1922
Creator: Benson, Flora
Partner: UNT Libraries Government Documents Department

Preheater.

Description: Patent for a preheater that uses "the exhaust from the engine" (lines 17-18) to heat "water before it enters the boiler" (lines 19-20).
Date: February 19, 1924
Creator: Butaud, Phelogan
Partner: UNT Libraries Government Documents Department

Drill-Rod Tool.

Description: Patent for a drill-rod tool that holds the upper part of the drill join against movement while the lower part is being unscrewed, constructed simply and with few parts for a lower manufacturing cost.
Date: August 28, 1923
Creator: Weathersby, Hardaman B. & Bozeman, John F.
Partner: UNT Libraries Government Documents Department

Barrel Support

Description: Patent for "certain new and useful improvements in Barrel Supports (lines 5-6)."
Date: April 2, 1918
Creator: Taylor, Charles E., Jr.
Partner: UNT Libraries Government Documents Department

Means for Moving the Drive-Shafts of Steam-Engines From Dead-Centers.

Description: Patent for the improvement of moving drive shafts found in steam engines from dead center, especially engines used in oil fields. The patent provides a device that moves the engine's crank shaft from dead center while at a distance via a lever located on the derrick platform "or at some convenient location" (lines 44-45).
Date: September 13, 1921
Creator: Manning, Sanford E.
Partner: UNT Libraries Government Documents Department

Breakout-Tongs

Description: Patent for breakout-tongs is used for oil well drilling when it comes to unscrewing a pipe and re-screwing the pipe together. Which has been taken from an oil well.
Date: December 20, 1921
Creator: Blecher, Mark
Partner: UNT Libraries Government Documents Department

Oil-Treating Mixer.

Description: Patent for improvements to oil-treating mixers used to purify the oil of foreign materials by confining the purification to a smaller space, making it more economical and durable.
Date: May 30, 1922
Creator: Belcher, Mark
Partner: UNT Libraries Government Documents Department

Apparatus for Fusing Sulfer from Low Grade Ores

Description: Patent for the Apparatus for Fusing Sulfer from Low Grade Ores. This machine makes the extraction of sulfur from ores containing less than 20% sulfur, while also removing the impurities.
Date: September 16, 1919
Creator: Austin, Paul P., Jr.
Partner: UNT Libraries Government Documents Department

Apparatus for Sulfur Mining

Description: Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Combination Well-Packer and Setting-Tool.

Description: Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.
Partner: UNT Libraries Government Documents Department

Core-Discharge Apparatus.

Description: Patent for an Improvement in Core-Discharge Apparatus. It is meant to be used in connection with core drills in well or mine drilling. This improvement is meant to be carried to the surface by an air-lift pump.
Date: October 1, 1918
Creator: Carhichael, Robert E.
Partner: UNT Libraries Government Documents Department

Rotary Drilling Apparatus

Description: Patent for a rotary drilling apparatus that specifies in wells and mines.
Date: November 5, 1918
Creator: Robert E. Carmichael
Partner: UNT Libraries Government Documents Department

Tread for Pneumatic Tires.

Description: Patent for an improvement in treads for pneumatic tires "to prevent excessive wear or puncture of the parts of the tire constituting the tread portion" (lines 12-14).
Date: September 30, 1919
Creator: Twombly, Royal W.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a new and improved design for pumps as they are used in deep wells. New design meant to prevent sand from entering machine between the working barrel and plunger.
Date: February 1, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Means for Reducing Wear in the Working Barrels of Pumps

Description: Patent for a means of reducing wear in the working barrels of pumps. The pumps made in this wat are specially adapted for operations in water or oil wells where the fluid being pumped is is mixed with sand and sediment.
Date: March 4, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Traction-Support.

Description: Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
Partner: UNT Libraries Government Documents Department

Method of Sampling.

Description: Patent for improving methods of boring wells by "raising the cuttings from an earth boring drill to the surface" (lines 70-71), including illustrations.
Date: July 20, 1920
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Sulfur-Mining

Description: Patent for improvement on sulfur mining by which "sulfur is fused by a heated fluid forced down into the well to the vicinity of the sulfur deposit and when so fused the sulfur is forced to the surface of the ground through a return pipe" (lines 14-18).
Date: December 17, 1918
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Sulphur-Mining Apparatus.

Description: Patent for a thermal solvent based sulfur mining apparatus that is placed in a sulfur mining well. Utilizing thermodynamics, the apparatus has a new way to introduce air or steam into the various parts of the apparatus. It is designed with "simplicity and durability of construction" (lines 49-50).
Date: December 17, 1918
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Method of and Apparatus for Sulphur Mining

Description: Patent for a methodology and mechanical structure for the mining of sulfur using extendable concentric cylindrical tubes.
Date: unknown
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for the improvement of pipe wrenches necessary for use in well drilling or other circumstances where a wrench of strong construction is needed. This patent provides for a pipe wrench that can be easily adjusted to fit pipes of differing sizes and is easily manipulated for use regardless of direction.
Date: December 9, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for oil burners that is designed specifically for burning crude fuel oil that also has improved construction that centers the spray head with the burner head.
Date: September 7, 1920
Creator: Booker, William B.
Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for improved pipe cutters that indicate when a pipe has been completely severed inside of a well
Date: May 11, 1920
Creator: Wright, John F.
Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for a pipe cutter used while said pipe is in use.
Date: unknown
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department
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