Resource Type
Counties
5 Matching Results
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Casing Mechanism
Patent for a casing mechanism for placing in oil wells to block water flow.
Date:
February 14, 1911
Creator:
Stewart, John S.
System:
The Portal to Texas History
Drill Bit
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.
System:
The Portal to Texas History
Pneumatic Disk Gin.
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.
System:
The Portal to Texas History
Seed Cleaner
Patent for cleaning seeds. This invention will improve seed cleaning and catch unwanted seeds.
Date:
February 14, 1922
Creator:
Garner, James C
System:
The Portal to Texas History
Oil Well Screen.
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.
System:
The Portal to Texas History