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Relief Valve and System for Motor or Other Driven Pumps.
Patent for "a new and useful Relief Valve and System for Motor or other Driven Pumps" (lines 5-7) as well as illustrations.
Date:
July 7, 1914
Creator:
Johnson, George Walter
System:
The Portal to Texas History
Timber-Hook.
Patent for an improved timber hook that is capable of automatically adjusting itself "according to the various lengths of logs" (lines 18-19).
Date:
May 26, 1914
Creator:
Martin, Daniel W.
System:
The Portal to Texas History
Air-Brake Apparatus.
Patent for an improvement to the air brake which includes new types of valves.
Date:
April 14, 1914
Creator:
Parker, William E.
System:
The Portal to Texas History