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Oil Trap
Patent for improvements to floating oil traps. Floating oil traps are used to catch excess oil floating on top of refinery discharge canals. These improvements include increased flexibility, thus allowing the trap to move with the flow of the water.
Date:
November 22, 1921
Creator:
Jones, Robert P.
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date:
March 22, 1921
Creator:
Black, Lee J.
System:
The Portal to Texas History