Method of Casting Chilled Valve-Seats (open access)

Method of Casting Chilled Valve-Seats

Patent for making moldings of seats to be more consistent.
Date: March 11, 1919
Creator: Boykin, Burwell, Jr.
System: The Portal to Texas History
Wave Motor (open access)

Wave Motor

Patent for an improvement to wave motors, intended to use "the force of waves as motive power for operating machinery" (lines 9-10).
Date: July 11, 1911
Creator: Ford, William W.
System: The Portal to Texas History
Still. (open access)

Still.

Patent for a still designed to refine crude petroleum and extract lighter elements, including illustrations.
Date: February 11, 1919
Creator: Gallsworthy, Benjamin
System: The Portal to Texas History
Rice Harvester (open access)

Rice Harvester

Patent for an improved rice grain harvester. This harvester gather only grain, not straw or stalks, in order to prevent the grain from gathering dampness or moisture over long periods of time.
Date: July 11, 1916
Creator: Motte, James N. & Katz, Adam
System: The Portal to Texas History
Oil-Burner. (open access)

Oil-Burner.

Patent for a useful oil-burner by providing an “improved nozzle structure, and with improved means for regulating the flow therefrom.” (Lines 15-17) Illustration is included.
Date: January 11, 1910
Creator: Duke, Holmes
System: The Portal to Texas History