Wrench. (open access)

Wrench.

Patent for a wrench specifically made to remove well drill bits from the drill.
Date: April 13, 1920
Creator: Stover, Willard L.
System: The Portal to Texas History
Valve-Controlling Mechanism for Train-Air-Brake Systems (open access)

Valve-Controlling Mechanism for Train-Air-Brake Systems

Patent for a valve controlling mechanism for train air brake systems that can be used when a car derails.
Date: June 11, 1912
Creator: Strader, Perry T.
System: The Portal to Texas History
Fruit Selling Slot Machine (open access)

Fruit Selling Slot Machine

Patent for
Date: April 19, 1910
Creator: Tatum, John H.
System: The Portal to Texas History
Frog and Guard Rail for Railway Tracks (open access)

Frog and Guard Rail for Railway Tracks

Patent for a frog and guard rail for railway tracks. Illustration included.
Date: June 6, 1911
Creator: Thomas, John W.
System: The Portal to Texas History
Sand Screen (open access)

Sand Screen

Patent for a sand screen. This invention is for sifting and screening sand. Illustration included.
Date: October 25, 1910
Creator: Tress, Paul G.
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for "improvements in car couplings and it has for its general object to provide a coupling embodying such a constructions that two cars may be connected together or disconnected without the objectionable necessity of a trainman going between them." (Lines 11-17) Includes instructions and illustrations.
Date: November 6, 1894
Creator: Tunnell, John D.
System: The Portal to Texas History
Clothes-Rack (open access)

Clothes-Rack

Patent for Clothes Rack. This helps dry clothes indoors when the weather is bad outside.
Date: March 22, 1921
Creator: Wells, Lillie Bell
System: The Portal to Texas History
Lock-Plate (open access)

Lock-Plate

Patent for improvements in lock-plates for the stays of wire fences.
Date: March 22, 1900
Creator: Wood, Alpheus H.
System: The Portal to Texas History
Window Frame And Sash. (open access)

Window Frame And Sash.

Patent for new and useful improvements in window frames and sashes, including instructions and illustrations.
Date: February 6, 1900
Creator: Wood, Alpheus H. & Tunnell, John D.
System: The Portal to Texas History
Gas Stove. (open access)

Gas Stove.

Patent for a gas stove that is "simple, inexpensive, durable and reliable" (lines 9-10). Gas will be distributed more evenly throughout the stove and better sealing prevents gas odors from escaping.
Date: February 14, 1922
Creator: Wood, Thomas E.
System: The Portal to Texas History
Clevis. (open access)

Clevis.

Patent for a simple, inexpensive, and improved clevis that can be easily manufactured and employed to a draft-beam. It can be used without a lapring in order to connect to a singletree. The singletree can have its "staple or eye...disposed in a plane with the said singletree" (lines 16-17).
Date: January 30, 1894
Creator: Word, Aaron Matthias
System: The Portal to Texas History
Stock Tank (open access)

Stock Tank

Patent for an improved water tank for livestock, connecting an elevated reservoir to a trough at ground level.
Date: August 19, 1902
Creator: Wright, Wayne C.
System: The Portal to Texas History
Telephone System. (open access)

Telephone System.

Patent for improvements to an automatic switchboard "to provide a construction of board and a connected system of wiring which will permit a subscriber at a telephone in one town to call up the operator or central at a distant point and converse with him without operating the other instruments in his town and at the same time preventing other subscribers from breaking into the line" (lines 12-20).
Date: December 23, 1902
Creator: Wright, Wayne C.
System: The Portal to Texas History
Valve Setting Machine (open access)

Valve Setting Machine

Patent for a valve setting machine. This invention is a machine for "revolving the main driving wheel of a locomotive to set the valves (11-12). Illustration included.
Date: August 4, 1908
Creator: Wyllie, Robert E. & Twohig, John D.
System: The Portal to Texas History