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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
Partner: UNT Libraries Government Documents Department

Mold.

Description: Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
Date: January 24, 1922
Creator: Miller, Ose Z.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fishing Device for Oil Wells.

Description: Patent for "fishing devices for use in oil wells or in like situations for recovering parts of the drilling appliances which may have become detached or lost in the well" (lines 9-13).
Date: January 31, 1922
Creator: Sorensen, Sam
Item Type: Refine your search to only Patent
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
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Partner: UNT Libraries Government Documents Department

Photoprinter.

Description: Patent for a photograph printer that includes a mask mechanism to create prints of different sizes. Construction is such that the person using the printer can work the printer accurately and quickly complete work.
Date: April 11, 1922
Creator: Lockhart, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Core-Taking Device

Description: Patent for improvements to a core-taking device which will "form a core, in the process of drilling, and embodies means for severing the core, when formed, and retaining the same in the core barrel until, it is withdrawn for inspection" (lines 13-17), including illustrations.
Date: June 20, 1922
Creator: Christian, Walton G.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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