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Bit Cleaner

Description: Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
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

Fire-Extinguishing Device.

Description: Patent for fire extinguishing devices to "supplying steam to the fluid so that oxygen sufficient to support combustion will not reach the flame" (lines 14-16).
Date: July 6, 1920
Creator: Byrd, Williman Harvey
Partner: UNT Libraries Government Documents Department

Pipe-Puller.

Description: Patent for improvements in pipe pullers that grips the pipe and cuts the same time it is pulled.
Date: June 20, 1920
Creator: Robichaux, Sosthene & Paggi, Charles
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
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