Apparatus For Maintaining A Continuous Flow Of Sand Carrying Oil From Wells (open access)

Apparatus For Maintaining A Continuous Flow Of Sand Carrying Oil From Wells

Patent for an apparatus for maintaining a continuous flow of sand carrying oil from wells. Illustration included.
Date: June 14, 1904
Creator: Cushing, William T. & Johnston, Horace G.
System: The Portal to Texas History
Coupling for Well-Drilling Machines (open access)

Coupling for Well-Drilling Machines

Patent for coupling for well-drilling machines.
Date: April 14, 1903
Creator: Johnston, Horace G.
System: The Portal to Texas History
Wind Stacker on Grain Separators. (open access)

Wind Stacker on Grain Separators.

Patent for an improvement in a pneumatic, wind-powered stacker for threshing machines, preventing straw or chaff from entering into the stacker.
Date: August 14, 1906
Creator: Cumpston, Frederick Bernard
System: The Portal to Texas History
Rail Joint (open access)

Rail Joint

Patent for a rail joint. This invention allows for the secure fastening of the ends of rails. Illustration included.
Date: November 14, 1905
Creator: Roberts, Elbert
System: The Portal to Texas History
Ball Bearing Jack (open access)

Ball Bearing Jack

Patent for a ball bearing jack. Illustration included.
Date: November 14, 1905
Creator: Johnston, Horace G.
System: The Portal to Texas History