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Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Boring Rod.

Description: Patent for a well boring rod in which a hollow rod or shaft is used as a rotary power transmission shaft. The invention has for its primary objects the provision of means for reinforcing or stiffening a well boring rod so that a lighter tube may be used than would otherwise be the case.
Date: May 21, 1918
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drain-Valve for Well-Pipes.

Description: Patent for drain valves used with well pipes that is "adapted to be positioned in the stand pipe of a well below the surface of the ground, and which may be actuated in cold weather so as to permit of the water in the pipe being drained back into the well" (lines 13-18) including illustration.
Date: May 21, 1918
Creator: Lindsey, William Noal
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Double-Action Pump

Description: Patent for "double-action submerged force-pumps which can be operated by any suitable power, but particularly adapted for operation by windmills provided with variable gearing...simple in construction and strong and durable and in which there are no parts which can be disarranged during operation and from which all valves may be removed without disturbing the pipe and which will maintain a continuous flow of water during operation."
Date: October 21, 1902
Creator: Byars, Edgar
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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