Bicycle Lock (open access)

Bicycle Lock

Patent for a bicycle lock. Illustration included.
Date: December 25, 1906
Creator: Hayford, Samuel & Hayford, Kirby
System: The Portal to Texas History
Drying Kiln (open access)

Drying Kiln

Patent for a kiln to be used as a drying chamber for drying and curing of lumber. Illustrations included.
Date: May 21, 1907
Creator: Stephens, William E.
System: The Portal to Texas History
Foot-Rest (open access)

Foot-Rest

Patent for improvements in foot rests. This particular foot rest was designed to better support the foot and hold the shoe in place with clamps.
Date: October 13, 1913
Creator: Tufts, Gay L.
System: The Portal to Texas History
Insulator. (open access)

Insulator.

Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date: March 29, 1921
Creator: Collier, William R.
System: The Portal to Texas History
Improvement in Windmills. (open access)

Improvement in Windmills.

Patent for a "self-regulating windmill, so arranged that it will automatically exclude the wind from the wheel during storms and irregular or sudden squalls of wind, while it will equally enlarge the opening through which the wind is admitted to the wheel, whenever the power of the wind is reduced." (Lines 14-20) Includes instructions and illustrations.
Date: December 2, 1873
Creator: Davie, John P. & Morgan, Asa
System: The Portal to Texas History
Spark-Producing Mechanism for Explosive-Engines. (open access)

Spark-Producing Mechanism for Explosive-Engines.

Patent for a spark producing mechanism for explosive engines, which serves as a starter for the engine when the vehicle is first turned on.
Date: June 4, 1907
Creator: Stamps, Lorenzo Dan
System: The Portal to Texas History
Removable Head for Barrels and Like Receptacles (open access)

Removable Head for Barrels and Like Receptacles

Patent for a removable head for barrels and like receptacles.
Date: July 2, 1912
Creator: Staples, George W.
System: The Portal to Texas History
Potato Digger. (open access)

Potato Digger.

Patent for "new and useful improvements in potato-diggers, designed to cut away the vines and to throw them out of the way of the plow-points." (lines 5-10) including instructions and illustrations.
Date: May 22, 1900
Creator: Winfrey, Zachary T.
System: The Portal to Texas History
Automatic Train Stop (open access)

Automatic Train Stop

Patent for automatic train stop.
Date: December 26, 1916
Creator: Warren, George F.
System: The Portal to Texas History