Resource Type

2 Matching Results

Results open in a new window/tab.

Anti-Friction Sucker-Rod Coupling. (open access)

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 (open access)

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