Farm wagon Scale (open access)

Farm wagon Scale

Patent for a farm wagon scale. Illustration included.
Date: June 13, 1911
Creator: Graves, Henry Lewis
System: The Portal to Texas History
Gripping Device for Well-Boring Apparatus (open access)

Gripping Device for Well-Boring Apparatus

Patent for a gripping device for well-boring apparatus that allows the rotary gripping rings to be reversed and used as new when one side has been worn down completely including illustrations and instructions.
Date: June 15, 1915
Creator: Myers, George S.
System: The Portal to Texas History
Fuel Rod Coupling (open access)

Fuel Rod Coupling

Patent for a new type of fuel rod coupling, or "sucker rod," meant to increase the durability of pipes and rods used in drilling operations.
Date: June 3, 1919
Creator: Sheldon, W. J. & Allen, C. H.
System: The Portal to Texas History