UNT Libraries Government Documents Department - 2 Matching Results

Search Results

Lifting Clamp for Well Casings

Description: Patent for a lifting clamp for well casings. It is designed to make the lifting of well casings easier and safer for those attaching the clamp to the lifting mechanism.
Date: July 3, 1917
Creator: Kibele, Eugene

Hoisting Drum.

Description: Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date: July 3, 1917
Creator: Howard, Henry Fischer
Back to Top of Screen