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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

Machine for Cleaning Pipe-Lines

Description: Patent for a machine for cleaning pipe-lines. The machine uses the pipeline as a track, traveling along the track cleaning the pipeline.
Date: July 1, 1919
Creator: Kinzbach, Frank
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date: April 5, 1910
Creator: Hardie, Jeffie Watkins
Partner: UNT Libraries Government Documents Department

Mechanical Toy Hoop

Description: Patent for improved features for mechanical toy hoops, particularly for toys utilizing trundling hoops.
Date: September 5, 1916
Creator: Giesecke, Leo
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

Rail Joint

Description: Patent for Rail Joint
Date: November 21, 1916
Creator: Walker, Asa
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-Jack

Description: Patent for a pump jack for operating the oil well pump rods.
Date: April 23, 1912
Creator: Seybert, Guy W.
Partner: UNT Libraries Government Documents Department

Stand-Value for Oil-Well Pumps.

Description: Patent for a Stand-Value for Oil-Well Pumps so that the ball seat in an oil well pump does not work loose. This is also meant to be turned end for end so that the part's life is lengthened. With this being done, the utility of the oil-pump should now be enhanced.
Date: September 24, 1918
Creator: Slaughter, George W., Jr.
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

Pumping Jack

Description: Patent for pumping jacks relating to oil wells.
Date: January 2, 1917
Creator: McCuin, William H.
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

Fire and Burglar Alarm.

Description: Patent for a fire and burglar alarm for use in buildings.
Date: February 13, 1912
Creator: Gregory, Marshall J.
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

Spring-Wheel

Description: Patent for a wheel supported by spring spokes. Illustrations included.
Date: September 24, 1912
Creator: Hudson, Alexander S.
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

Pipe-Puller

Description: Patent for improvements in pipe pullers, mechanisms for use with pipe casings for wells and the pulling of pipe and better gripping jaws.
Date: October 8, 1918
Creator: Robichaux, Sosthene
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

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

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

Car-Loading Device

Description: Patent for a device used in the loading of train cars with reduced manual effort.
Date: November 16, 1914
Creator: Davison, George E.
Partner: UNT Libraries Government Documents Department

Bending-Machine.

Description: Patent for a new machine providing "a simple, efficient and easily operated fluid-pressure actuated machine" for the straightening of railway rails (lines 12-14)
Date: November 5, 1918
Creator: Keely, William
Partner: UNT Libraries Government Documents Department

Casing Head

Description: Patent for a Case-Head. This case-head is used in oil wells. Its purpose is to ensure a tight seal around a pipe so that gas can flow properly through the tube.
Date: August 10, 1918
Creator: Kinzbach, Frank
Partner: UNT Libraries Government Documents Department
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