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