Antifriction Hollow-Tube Sucker-Rod for Deep Wells
Description:
Patent for a "simple and inexpensive means for coupling the tubular sections of the sucker rod together and guiding said rod with little or no friction into the well casing or tube" (lines13-17). This object is to be used in "pumping water, oil, and other liquids from deep wells"(lines 11-12).
Date:
October 15, 1918
Creator:
Black, William L.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department