Texas Patents - 4 Matching Results

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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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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