Stock-Chute for Dipping-Vats. (open access)

Stock-Chute for Dipping-Vats.

Patent for new improvements that allow for easier transition of animals from a stock-chute into a dipping vat because the "animal will overcome the effect of the counterbalancing weight and will cause the discharge end of the chute to move downwardly precipitating the animal into the vat or trough" (lines 20-26) including instructions and illustrations.
Date: May 31, 1921
Creator: Burt, Clement P.
Object Type: Patent
System: The Portal to Texas History
Templet. (open access)

Templet.

Patent for templets or steel models used in building ships. The steel can be easily shaped into parts.
Date: May 31, 1921
Creator: Nies, Gershom John
Object Type: Patent
System: The Portal to Texas History
Toupee and Wig Retainer (open access)

Toupee and Wig Retainer

A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date: May 17, 1921
Creator: Tapscott, John Christoper
Object Type: Patent
System: The Portal to Texas History
Tractor. (open access)

Tractor.

Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date: May 24, 1921
Creator: Martin, John J.
Object Type: Patent
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for a washing machine that launders articles of clothing. The machine has a plunger that causes rotary movement allowing cleaning fluid to reach all articles, including illustrations.
Date: May 31, 1921
Creator: Carroll, Houston M., Sr.
Object Type: Patent
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for a mechanized dolly to improve washing machine functionality and efficiency.
Date: May 17, 1921
Creator: Huffman, Orla L.
Object Type: Patent
System: The Portal to Texas History
Well-Liner Clamp. (open access)

Well-Liner Clamp.

Patent for a well-liner clamp for oil, gas, and other similar wells that prevents the well from caving in. The well-liner clamp is made of resilient material to hold in place, contracts while being placed into the well, and can be released after being placed into the well to expand to fit the walls of the well.
Date: May 31, 1921
Creator: Bigelow, Robert J.
Object Type: Patent
System: The Portal to Texas History
Wheel-Operated Lift Mechanism (open access)

Wheel-Operated Lift Mechanism

Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date: May 17, 1921
Creator: Altgelt, Herman E.
Object Type: Patent
System: The Portal to Texas History