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Hoisting Mechanism

Description: Patent for hoisting mechanism for use in oil-wells. This invention employees a sand-reel placed upon the hoisting shaft. Illustration included.
Date: October 16, 1906
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary for Oil-Wells.

Description: Patent for a pipe rotary for use "in sinking oil-wells" (line 10). The patent allows for the power to be applied to the "pipe-sections which constitute the casing of the well" (line 14-15).
Date: February 6, 1906
Creator: Bernard, Horace D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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