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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.
Item Type: Refine your search to only Patent

Drill Bit

Description: Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
Item Type: Refine your search to only Patent
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