Syrup Percolator. (open access)

Syrup Percolator.

Patent for a percolator that makes syrup from sugar, or can turn any granular, or leaf substance into liquid, that involves an air tube to allow air to escape from syrup during the process. Includes illustrations.
Date: May 14, 1912
Creator: Elledge, William, N.
System: The Portal to Texas History
Stalk Cutter. (open access)

Stalk Cutter.

Patent for a new stalk cutter that cuts up stalks, stems of weeds and vines to prepare the field for cultivation. This stalk cutter provides rocking or oscillatory movement regulation to avoid rocks or other obstructions.
Date: May 26, 1914
Creator: Edwards, Jessie V.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for a riding plow that can be operated by a person rather than a horse or motor. The plow includes means to form straight furrows and stops vines and bushes from getting stuck between the wheels and frame.
Date: May 26, 1914
Creator: Edwards, Jessie V.
System: The Portal to Texas History
Caterpillar-Tractor. (open access)

Caterpillar-Tractor.

Patent for 1) a mechanism preventing the Caterpillar tractor's driving element from becoming clogged with mud; 2) a mechanism to regulate the force put on the wheels in relation to the weight of the tractor's load; 3) a mechanism to allow this regulation of force in relation the weight of the tractor's load to be manually adjustable; 4) a construction improvement to allow the tractor to be turned in a relatively short radius, including illustrations.
Date: May 7, 1918
Creator: Rountree, Joseph G.
System: The Portal to Texas History