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Dipper

Description: Patent for dipper. Illustration included.
Date: May 16, 1905
Creator: Cowart, Laurance P.
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock. Illustrations included.
Date: September 6, 1910
Creator: Lance, Andrew M.
Partner: UNT Libraries Government Documents Department

Sectional Link.

Description: Patent for a sectional link that has been designed for the use on oil well drilling tools. It is designed to prevent bending of the link and from throwing it out of alignment which can damage the tools it is designed for.
Date: November 5, 1918
Creator: Thomson, John M.
Partner: UNT Libraries Government Documents Department

Standing-Valve

Description: Patent for improvements to standing valves for the use in high pressure, deep oil wells. Improves the construction, durability, and efficiency. Includes detailed description and illustrations.
Date: unknown
Creator: Henderson, Andrew J.
Partner: UNT Libraries Government Documents Department

Pipe-Fishing Tool.

Description: Patent for a tool to remove pipe from a well, especially oil and gas.
Date: November 16, 1920
Creator: Wilkinson, Lee
Partner: UNT Libraries Government Documents Department

Valve Structure for Oil-Wells.

Description: Patent for Valve Oil-Wells. This improved Valve Oil Well will increase efficiency and durability of device.
Date: September 19, 1919
Creator: McEvoy, John Philip
Partner: UNT Libraries Government Documents Department

Oil Well Strainer

Description: Patent for an oil well strainer that increases the surface area of the inlet, and also provide protection to the person straining.
Date: October 24, 1916
Creator: Hardin, Otis & Daniels, Veerin B.
Partner: UNT Libraries Government Documents Department

Patent for Plow

Description: Patent for a wing plow.
Date: December 26, 1916
Creator: Moore, William F.
Partner: UNT Libraries Government Documents Department

Railway-Rail Joint

Description: Patent for improving the construction and increase the efficiency and utility of railway-rail joints.
Date: January 2, 1906
Creator: Verneuil, Edward Benjamin
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for a hydraulic swivel. Illustrations included.
Date: September 26, 1905
Creator: Thomson, Alexander & McLaughlin, Malacha Joseph
Partner: UNT Libraries Government Documents Department

Standing-Valve Structure.

Description: Patent for a standing valve structure "which serves as a coupling between the working barrel (of a pump) and strainer member, to effectively exclude foreign matter" (lines 16-19) including instructions and illustrations.
Date: May 7, 1918
Creator: Ewing, Samuel D.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new type of wing plow with new improvements designed to prevent earth from being thrown onto previous plants.
Date: March 13, 1917
Creator: Moore, William F.
Partner: UNT Libraries Government Documents Department

Fence Post Foundation

Description: Patent for fence post foundation. Illustration included.
Date: June 13, 1911
Creator: Gregory, Marshal J.
Partner: UNT Libraries Government Documents Department

Boiler Feeder

Description: Patent for a boiler feeder. This invention is intended to be placed above the boiler and via a regulator supplies water to the boiler.
Date: November 24, 1903
Creator: Herrington, William
Partner: UNT Libraries Government Documents Department

Car - Coupling

Description: Patent for a new and useful improvements in car-couplings. This design "relates to car-couplers of the pivoted-hook type" (line 11 -12).
Date: February 8, 1898
Creator: Chance, Ransom M.
Partner: UNT Libraries Government Documents Department

Combination Set-Collar for Well-Strainers.

Description: Patent for a combination set-collar for well-strainers that combines a back pressure valve and a washer pipe which allows for the cleaning of the strainer.
Date: November 25, 1919
Creator: Thompson, Alexander
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock. Illustrations included.
Date: May 21, 1912
Creator: Lance, Andrew M.
Partner: UNT Libraries Government Documents Department

Pump Controlling Means

Description: Patent for a pump controlling means. This invention applies even pressures on the discharge line. Illustration included.
Date: August 23, 1904
Creator: Small, William
Partner: UNT Libraries Government Documents Department

Tool-Joint.

Description: Patent for improvements in a tool joint that has been adapted to connect sections of a drill used in drilling wells.
Date: June 29, 1920
Creator: Stafford, George A. & Stafford, Roy M.
Partner: UNT Libraries Government Documents Department

Pump-Piston.

Description: Patent for new and improved pump piston. This patent is accompanied by drawings and the object is to provide a pump piston wherein the the piston body proper is securely maintained against shifting upon the piston rod.
Date: March 22, 1921
Creator: Yount, Miles F.
Partner: UNT Libraries Government Documents Department

Automatic Boiler-Feed

Description: Patent for a steam boiler which automatically fills the boiler with water to the proper levels and keeps the levels steady.
Date: August 11, 1908
Creator: Twombly, Harry Denny
Partner: UNT Libraries Government Documents Department

Insect Destoyer

Description: Patent for an insect destroyer. "This invention relates particularly to that class of insect destroyers which contain pans of liquid into which the insects are shaken or enticed" (line 15-18). Illustration included.
Date: December 29, 1903
Creator: Sewell, James H.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a "pump for effectively pumping oil or quicksand from wells troubled with quicksand." (Lines 8-10) Includes instructions and illustrations.
Date: March 30, 1897
Creator: Wintz, James Philip
Partner: UNT Libraries Government Documents Department

Rail Plate And Fastener

Description: Patent for rail plate fastener. This invention is designed to secure rails to ties without the use of spikes. Illustration included.
Date: June 21, 1904
Creator: Butterfield, Walter V.
Partner: UNT Libraries Government Documents Department
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