UNT Libraries Government Documents Department - 6 Matching Results

Search Results

Antiskid Device

Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.

Date: February 17, 1920

Creator: Smith, Ross

Chopping Attachment.

Patent for a chopping attachment for a cultivator. The attachment has an adjustable height in order to cut shorter and taller crops.

Date: March 17, 1919

Creator: Chenault, George N.

Control Mechanism for Internal Combustion Engines

Patent for an object that "[provides] economical mixtures when the engine is running under light load without affecting the power of the engine when running under a heavy load."

Date: October 17, 1916

Creator: Guthrie, William S.

Patent for a water purifying device for use in water distribution systems, which mixes the water with a chemical salt and then takes it into a settling basin where mud and such sink to the bottom, leaving pure water on top which is let out for distribution.

Date: March 17, 1908

Creator: Fender, John B.

Insect-Exterminator

Patent for an insect exterminator to be transported to and used within crop fields which separates insects from plants by means of brushes and kills the insects by depositing them into a pan containing liquid insecticide. Exterminator also includes a sprayer to deliver insecticide onto crops. Exterminator is designed to be pulled by draft animals.

Date: April 17, 1906

Creator: Thompson, Everett Edward

Stalk-Shopper

Patent for "improved stalk-chopper for corn, cotton, or other stalks, where-in a reel or reels carrying longitudinal knives is supported and adjusted upon a frame which may be easily connected and disconnected from the running-gear of an ordinary wagon" (lines 14-20)

Date: August 17, 1888

Creator: Ferrel, Alexander