Support for Telegraph Line-Wires and the Like. (open access)

Support for Telegraph Line-Wires and the Like.

Patent for "supports for telegraph and telephone line wires, electric light line wires, and the like, and the object is to provide simple and highly efficient brackets for holding such wires securely in place ... so that the wires will not drop to the ground" (lines 10-18), including instructions and illustrations.
Date: May 21, 1918
Creator: Wilson, James F.
System: The Portal to Texas History
Mouse-Guard for Pianos. (open access)

Mouse-Guard for Pianos.

Patent for "an upright device for closing the opening in the front of a piano directly below a pedal to thereby render the piano mouse proof" (lines 8-11). The device utilizes spring tension to operate.
Date: May 21, 1918
Creator: Bell, Silas D.
System: The Portal to Texas History
Shotgun (open access)

Shotgun

Patent for a trigger operated shotgun that uses an electrical circuit to ignite combustible material of the shell and thereby propelling the shot within.
Date: May 21, 1918
Creator: Fleming, George
System: The Portal to Texas History
Expansion-Plug. (open access)

Expansion-Plug.

Patent for "an expansion plug wherein a traveling nut cooperates with a screw to expand or contract a sectional plug" (lines 8-11) with illustration.
Date: May 21, 1918
Creator: Barlow, Walter S.
System: The Portal to Texas History
Drain-Valve for Well-Pipes. (open access)

Drain-Valve for Well-Pipes.

Patent for drain valves used with well pipes that is "adapted to be positioned in the stand pipe of a well below the surface of the ground, and which may be actuated in cold weather so as to permit of the water in the pipe being drained back into the well" (lines 13-18) including illustration.
Date: May 21, 1918
Creator: Lindsey, William Noal
System: The Portal to Texas History
Hose-Clamp (open access)

Hose-Clamp

Patent for "certain new and useful Improvements in Hose-Clamps" (lines 5-6). "It is the object of this invention to provide a clamp which is provided with yieldable slips, which securely clamp the hose to prevent the separation of the hose from the nipple..." (lines 30-34).
Date: May 21, 1918
Creator: Bennett, Clarence D.
System: The Portal to Texas History
Differential Construction (open access)

Differential Construction

Patent for "a new and Improved Differential Construction" (lines 5-6). "The object of the present invention is to provide a differential particularly suitable for motor vehicles... whereby the spinning of the wheels... is effectually prevented while the relative movement thereof necessary in passing around curves is freely allowed" (lines 22-31).
Date: May 21, 1919
Creator: Reagan, Edgar U. G.
System: The Portal to Texas History