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Tank-Valve.
Patent for a tank valve, which prevents leakage and can be used as a tank or trough valve.
Date:
May 4, 1909
Creator:
Hampton, William M. & Shive, Caleb C.
System:
The Portal to Texas History
Rotary Reciprocating Engine.
Patent for a rotary reciprocating engine that is smaller, has more horse-power, and has less friction than previous models.
Date:
May 8, 1900
Creator:
Williams, Win D.
System:
The Portal to Texas History
Churn-Dash.
Patent for new improvements to a churn dash, including two concentric rings joined by inclined wings with accompanying illustrations.
Date:
May 10, 1898
Creator:
Renfro, John R., Jr.
System:
The Portal to Texas History
Railroad-Gate.
Patent for improvements in automatic railway and farm gates by using a combination and arrangement of two supporting-frames, two sliding gates, a diagonal rod to secure the gates; with three levers each having its own functions, and two friction rollers. Illustration is included.
Date:
May 12, 1891
Creator:
Wood, Horace Overall & Smith, Sanford Sanders
System:
The Portal to Texas History