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Antifriction Device for Sucker-Rods.

Patent for a rod sleeve to protect the rod joints from damage or bending. The design also includes rollers to keep the rods centered in the casing to eliminate rubbing.

Date: August 4, 1903

Creator: Black, William L.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Reamer for Oil or Artesian Wells

Patent for "a reamer of novel construction for enlarging the bore or opening of a well when it is required to increase the diameter to receive the casing or for other purpose. The reamer combines a head and a guide, the latter entering the bores, so as to steady and give proper direction to the tool and also prevent the cuttings entering and filling the bore during the process of enlargement" (lines 9-18).

Date: September 8, 1903

Creator: Higgins, Pattillo