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Non-Explosive Oil-Container.
Patent for a protective screen of refractory filaments for "containers holding inflammable, explosive fluids such as naphtha, benzin, gasolene, etc." (lines 10-12)
Date:
December 12, 1911
Creator:
Ziller, Robert L.
System:
The Portal to Texas History
Aeroplane.
Patent for improved propulsion for airplanes involving propellors in the front and rear of the plane. This aids in regulating air currents to stabilize flight, landing and speed. The patent includes illustrations.
Date:
June 12, 1917
Creator:
Campbell, John R.
System:
The Portal to Texas History
Combined Oil-Can and Oiler.
Patent for combined oil-can that "combines the function of an oiler and oil can" (lines 12-13) and "is easily and simply constructed, inexpensive to manufacture and one which will be very efficient in operation" (lines 18-21).
Date:
November 12, 1918
Creator:
Tumey, Alfred S.
System:
The Portal to Texas History
Steam-Condenser.
Patent for "condenser, adapted to supply sterile water in hospitals and elsewhere" (lines 9-11) including instructions and an illustration.
Date:
October 12, 1915
Creator:
Scott, Zacahry T.
System:
The Portal to Texas History
Reel
Patent for an improvement in reels. The reel features improvements in how to attach the end of a film strip to the reel for winding.
Date:
June 12, 1917
Creator:
Allen, Harry Porter
System:
The Portal to Texas History