Antifreezing Valve and Closet-Cistern (open access)

Antifreezing Valve and Closet-Cistern

Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, when the supply-valves are opened." (lines 18-28).
Date: April 23, 1901
Creator: Wilkes, George W.
System: The Portal to Texas History
Closet-Cistern and Valve Therefor (open access)

Closet-Cistern and Valve Therefor

Patent for "a cistern which needs no valve to start the siphon to work and to construct a valve which can be operated by a rod which runs up through the supply-pipe, thus doing away with the stuffing-box for a rod for operating the valve" (lines 11-16).
Date: April 23, 1901
Creator: Wilkes, George W.
System: The Portal to Texas History
Lock (open access)

Lock

Patent for "an improved lock for sliding doors. It is furthermore designed to provide an improved seal-lock especially arranged for car-doors and constructed to be automatically locked by the closing of the door and to give the latter an initial start or opening when the lock is being released, so as to facilitate the opening of the door and prevent sticking thereof" (lines 9-17).
Date: July 23, 1901
Creator: Ozment, David Brewer
System: The Portal to Texas History
Lock (open access)

Lock

Patent for a keyless combination lock, including illustrations.
Date: July 23, 1901
Creator: Katzenberger, Oscar
System: The Portal to Texas History
Vehicle Hub (open access)

Vehicle Hub

Patent for lightweight and sturdy metal wheel hub for wooden spokes, including illustration.
Date: July 23, 1901
Creator: Holland, William J.
System: The Portal to Texas History
Knockdown Tank (open access)

Knockdown Tank

Patent for a sheet metal tank that is created in sections, able to be dismantled or "knocked down" in sections, and able to be transported in sections, including illustration.
Date: July 23, 1901
Creator: Harry, Hugh W. & Harry, Thomas C.
System: The Portal to Texas History
Medicated Salt Rock (open access)

Medicated Salt Rock

Patent for "improved medicated salt rock to be used for keeping cattle, horses, and other live stock in good condition, to serve as a tonic and blood-purifier, also to expel worms from the stomach and intestines, and to eradicate ticks and vermin" (lines 10-15).
Date: April 23, 1901
Creator: Green, Charles O; Wickline, William P. & Eaton, James B.
System: The Portal to Texas History
Self Locking Door For Cotton Presses (open access)

Self Locking Door For Cotton Presses

Patent for a self-locking door clamp for cotton presses, including illustrations.
Date: July 23, 1901
Creator: Westbrook, John Alburt
System: The Portal to Texas History