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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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Method of Sampling.

Description: Patent for improving methods of boring wells by "raising the cuttings from an earth boring drill to the surface" (lines 70-71), including illustrations.
Date: July 20, 1920
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drill Bit

Description: Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date: February 24, 1920
Creator: Clements, Frank L., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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