7 Matching Results

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Pump.

Description: Patent for a pump designed to draw liquid, such as oil, from a well.
Date: June 14, 1921
Creator: Jones, Oceola
Partner: UNT Libraries Government Documents Department

Oil Well Screen.

Description: Patent for a new oil-well screen that prevents sand from entering an oil or water well but will allow oil and water through.
Date: February 14, 1922
Creator: Dobson, John A.
Partner: UNT Libraries Government Documents Department

Pneumatic Disk Gin.

Description: Patent for an improved version of a pneumatic disk gin. It has been designed for "ginning fibrous material, such as seed cotton" (lines 13-14) and improves the separation of the cotton and the seeds with the use of its perforated disks.
Date: February 14, 1922
Creator: Garner, James C.
Partner: UNT Libraries Government Documents Department

Seed Cleaner

Description: Patent for cleaning seeds. This invention will improve seed cleaning and catch unwanted seeds.
Date: February 14, 1922
Creator: Garner, James C
Partner: UNT Libraries Government Documents Department

Automobile Headlight.

Description: Patent for an improved automobile headlight equipped with a movable lens and reflector to cast light down towards the roadway.
Date: November 14, 1922
Creator: Head, James M.
Partner: UNT Libraries Government Documents Department
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