Churn (open access)

Churn

Patent for a churn. Illustrations included.
Date: March 11, 1913
Creator: Brown, Herbert E.
System: The Portal to Texas History
Method of Operation for the Separation of Liquids. (open access)

Method of Operation for the Separation of Liquids.

Patent for method to separate liquid through a separation device connected with an electric circuit.
Date: March 11, 1919
Creator: McKibben, Charles W.
System: The Portal to Texas History
Oil Well Torpedo. (open access)

Oil Well Torpedo.

Patent for "detonating explosives in oil wells" (nitroglycerin) (lines 10 - 13).
Date: March 11, 1919
Creator: Mosher, Lewis A.
System: The Portal to Texas History
Resilient Wheel (open access)

Resilient Wheel

Patent for a new and improved resilient wheels designed with a very simple, durable, and efficient construction to eliminate cushion or pneumatic tires to obtain desired resiliency and are intended to be used on trucks or other heavy vehicles.
Date: March 11, 1913
Creator: Hughes, Robert J.
System: The Portal to Texas History
Submarine Channel Protection. (open access)

Submarine Channel Protection.

Patent for new and improved submarine channel protection. This design "consist[s] of two walls approximately parallel with each other extending across the sand-bar, and a barrier consisting of inclined wings extending from the side walls to the center of the channel, and a filling in rear of the wings" (lines 46-51).
Date: March 11, 1890
Creator: Mauermann, Albert J.
System: The Portal to Texas History