UNT Libraries Government Documents Department - 93 Matching Results

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Drill-Cable Clamp.

Description: Patent for Drill-Cable Clamp is for a device that clamps the rope to which the drill connects. The rope can be rotated, while connected to both the drill and the drilling machine securely.
Date: May 6, 1913
Creator: Clayton, Robert Fentress

Gate

Description: Patent for a gate that can be opened or closed from a remote point, and can be locked with a latch. Illustrations included.
Date: June 11, 1907
Creator: Rogers, Frederick S.

Acetylene-Gas Generator

Description: Patent for an improved acetylene-gas generator with a carbid receptacle on top of of the gasometer an an improved automated valve mechanism to assist with gas maintenance.
Date: October 7, 1902
Creator: Loyer, William Joseph