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Balancing Pump Jack
Patent for increasing the power of pump jacks and providing simple devices for aiding the driving mechanism. A shifting weight helps balance the sucker rod.
Date:
February 4, 1919
Creator:
Dayton, W.L.
System:
The Portal to Texas History
Even-Balance Pump-Jack
Patent for "increasing the power of the pump jacks" (lines 10-11) for improved uniformity during the upstroke and the downstroke.
Date:
February 4, 1919
Creator:
Dayton, William L.
System:
The Portal to Texas History
Gas Producer
Patent for a new and more efficient type of gas producer.
Date:
February 25, 1919
Creator:
Modlin, Frank E.
System:
The Portal to Texas History