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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
Well Boring Apparatus.
Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.
Date:
November 29, 1921
Creator:
Boykin, Burwell, Jr.
System:
The Portal to Texas History
Horse-Boot.
Patent for a horse boot that covers and protects the hoof and pastern joint of a horse. It also protects the fetlock joint and practically the entire foreleg below the knee. This device allows for the horse to move without being hindered in any way, or without causing chafing. Both protecting the horse and providing additional comfort and safety.
Date:
November 1, 1921
Creator:
McKenzie, Joseph H.
System:
The Portal to Texas History