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Anti-Friction Sucker-Rod Coupling.
Patent for an anti-frictioin sucker-rod coupling. This invention relates to certain new and useful improvements in sectional sucker-rods for artesian, oil, and other wells, and has for its object to provide an improved construction of coupling-joint for connecting the sections of the rods together.
Date:
January 26, 1892
Creator:
Black, William L.
System:
The Portal to Texas History
Improvement in Windmill-Gearing
Patent for "gearing for transmitting motion to the pump rod" (lines 9-10) of a windmill. Includes description and illustration.
Date:
December 26, 1911
Creator:
Roberts, George W.
System:
The Portal to Texas History