Standing-Valve Structure. (open access)

Standing-Valve Structure.

Patent for a standing valve structure "which serves as a coupling between the working barrel (of a pump) and strainer member, to effectively exclude foreign matter" (lines 16-19) including instructions and illustrations.
Date: May 7, 1918
Creator: Ewing, Samuel D.
System: The Portal to Texas History
Nut-Lock (open access)

Nut-Lock

Patent for a nut lock. Illustrations included.
Date: May 21, 1912
Creator: Lance, Andrew M.
System: The Portal to Texas History
Dipper (open access)

Dipper

Patent for dipper. Illustration included.
Date: May 16, 1905
Creator: Cowart, Laurance P.
System: The Portal to Texas History
Detachable Rubber Heel. (open access)

Detachable Rubber Heel.

Patent for "a rubber heel tap adapted for detachable connection to the heel of a boot or shoe, and which shall serve to cushion the fall of the heel," and "to provide a corrugated surface upon the face of the heel which shall adapt the same for service as an ice creeper." (Lines 14-21) Includes instructions and illustrations.
Date: May 28, 1895
Creator: Williams, Thomas Jackson
System: The Portal to Texas History
Log-Turner (open access)

Log-Turner

Patent for "that class of log-turners which is operated by power, and has for its object to provide a device that will be quick and positive in its operation" (lines 39-42).
Date: May 10, 1887
Creator: Ferris, Henry Murry & Gallon, William
System: The Portal to Texas History