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Automatic Pipe Coupling

Description: Patent for improvement on the methods of controlling oil flow.
Date: September 2, 1919
Creator: Childs, William L.
Partner: UNT Libraries Government Documents Department

Well-Boring Apparatus

Description: Patent for a new and improved well-boring apparatus that rotates a drill stem. The drill is then elevated when it is desired to unscrew the joints.
Date: September 2, 1919
Creator: Headrick, James O.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Partner: UNT Libraries Government Documents Department

Self-Cleaning Pump-Valve

Description: Patent for a pump valve used in pumping oil wells which cleans itself with sand. The valve is simple and cheaply manufactured.
Date: September 30, 1919
Creator: Graf, Sydney H.
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill

Description: Patent for rotary boring-drill attachment for a rotary drill stem for drilling oil or water wells.
Date: September 16, 1919
Creator: Hughes, Howard R
Partner: UNT Libraries Government Documents Department

Sample Taking Device.

Description: Patent for a device that takes samples of the strata or formation through which a well is being drilled without mixing the soil with water within the reservoir.
Date: September 19, 1919
Creator: Rembert, William E.
Partner: UNT Libraries Government Documents Department
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