Boiler Feeder (open access)

Boiler Feeder

Patent for a boiler feeder. This invention is intended to be placed above the boiler and via a regulator supplies water to the boiler.
Date: November 24, 1903
Creator: Herrington, William
System: The Portal to Texas History
Oil Well Strainer (open access)

Oil Well Strainer

Patent for an oil well strainer that increases the surface area of the inlet, and also provide protection to the person straining.
Date: October 24, 1916
Creator: Hardin, Otis & Daniels, Veerin B.
System: The Portal to Texas History
Stand-Value for Oil-Well Pumps. (open access)

Stand-Value for Oil-Well Pumps.

Patent for a Stand-Value for Oil-Well Pumps so that the ball seat in an oil well pump does not work loose. This is also meant to be turned end for end so that the part's life is lengthened. With this being done, the utility of the oil-pump should now be enhanced.
Date: September 24, 1918
Creator: Slaughter, George W., Jr.
System: The Portal to Texas History
Spring-Wheel (open access)

Spring-Wheel

Patent for a wheel supported by spring spokes. Illustrations included.
Date: September 24, 1912
Creator: Hudson, Alexander S.
System: The Portal to Texas History