UNT Libraries Government Documents Department - 8 Matching Results

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Railway-Switch Operating Means.

Description: Patent for switching the line on a railway track including an example and illustration.
Date: October 21, 1912
Creator: Phillips, Carroll

Pump-Rod Coupling

Description: The Patent for a Pump-Rod Coupling. Its creation allows for ease and speed in coupling or uncoupling to the wind mill rod.
Date: May 21, 1912
Creator: Massey, James B.

Tube-Clamp

Description: Patent for a tube clamp for holding pipe sections in wells.
Date: May 21, 1912
Creator: Krauskope, Oscar

Hydraulic Fluid-Compressor

Description: Patent for a hydraulic fluid compressor for gas and air compressors.
Date: May 21, 1912
Creator: Hawkins, Alda F.

Nut-Lock

Description: Patent for a nut lock. Illustrations included.
Date: May 21, 1912
Creator: Lance, Andrew M.

Hoisting-Machine

Description: Patent for a new Hoisting-Machine. The Hoisting Machine has improved arrangement of parts that control the device's braking drum. Improving the Hoisting Machine construction is useful for reducing wear on the machine.
Date: May 21, 1912
Creator: Johnston, Horace

Fan for Sewing-Machines

Description: Patent for a fan for sewing machines. Illustrations included.
Date: May 21, 1912
Creator: Ownby, Albert W.

Rail-Joint-Supporting Device

Description: Patent for a rail joint supporting device to prevent sagging of the tracks.
Date: May 21, 1912
Creator: Scott, Walter
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