Valve. (open access)

Valve.

Patent for a safety valve that closes a conduit when a change in pressure occurs that shuts off the supply of fluid (or gas) until the valve is manually reset.
Date: May 26, 1914
Creator: Ruffner, Earl S., of Wichita Falls, Texas.
System: The Portal to Texas History
Two-Cycle Internal-Combustion Engine and Method of Operating Engines of this Type. (open access)

Two-Cycle Internal-Combustion Engine and Method of Operating Engines of this Type.

Patent for a two-cycle type of internal combustion engine to make the engine more effective. This invention can be used on motor vehicles, motor boats, flying machines and the like.
Date: May 26, 1914
Creator: McKiearnan, Charles A.
System: The Portal to Texas History
Table Attachment for Beds (open access)

Table Attachment for Beds

Patent for a table attachment for beds. This table serves as a place for medicines, food, writing, or a book rest.
Date: May 12, 1914
Creator: Thorniley, Clarence W.
System: The Portal to Texas History
Pipe-Tongs. (open access)

Pipe-Tongs.

Patent for improvement upon the use of chain tongs. The invention "permits the application of a very strong rotative force" (lines 11-12), "produce rotation of a pipe in either direction" (lines 17-18), and "provides a chain tong which will not crush the pipe..." (lines 22-23).
Date: May 12, 1914
Creator: McLeod, Rueben A.
System: The Portal to Texas History