Drill Bit (open access)

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. (open access)

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 (open access)

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
Gas Stove. (open access)

Gas Stove.

Patent for a gas stove that is "simple, inexpensive, durable and reliable" (lines 9-10). Gas will be distributed more evenly throughout the stove and better sealing prevents gas odors from escaping.
Date: February 14, 1922
Creator: Wood, Thomas E.
System: The Portal to Texas History
Can Opener (open access)

Can Opener

Patent for a can opener which cuts cleanly and rapidly around the outside wall of the can, so as to avoid jagged edges.
Date: February 14, 1922
Creator: Minor, Robert B.
System: The Portal to Texas History
Safety Apparatus. (open access)

Safety Apparatus.

Patent for vehicle to safely have the right of way when reaching a crossing first.
Date: February 14, 1922
Creator: Duran, Arturo
System: The Portal to Texas History
Cotton Cleaner and Separator. (open access)

Cotton Cleaner and Separator.

Patent for cotton cleaner and separator. This will allow cotton to be cleaned without twisting or tangling, while removing dust, dirt and leaves.
Date: February 14, 1922
Creator: Hillmann, Charles
System: The Portal to Texas History
Writing Pen. (open access)

Writing Pen.

Patent for a dip pen or nib pen, with innovations concentrating on the tip (nib). The tip is moderately sharp to glide over paper, bent for smooth writing and ink conservation, and stiff "to enable it to be used in making carbon copies" (lines 26-27).
Date: February 14, 1922
Creator: Block, Henry, 1875-1939
System: The Portal to Texas History
Oil Well Screen. (open access)

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