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Elbow-Joint for Artificial Arms (open access)

Elbow-Joint for Artificial Arms

Patent for an elbow joint for artificial arms that can be manipulated by the wearer into any desired position.
Date: July 23, 1918
Creator: Corley, Quentin D.
System: The Portal to Texas History
Cylinder for Cotton-Gins (open access)

Cylinder for Cotton-Gins

Patent for a cylinder for cotton-gins in which the cylinder has teeth that are "secured to the project from the periphery of the disk" (lines 17-18).
Date: January 23, 1912
Creator: Fuller, James T.
System: The Portal to Texas History
Detachable Drill-Bit. (open access)

Detachable Drill-Bit.

Patent for a new invention in drill-bit machine which can be detached from two different sides and very flexible for use.
Date: May 23, 1916
Creator: Sly, Charles
System: The Portal to Texas History
Detachable Drill-Bit. (open access)

Detachable Drill-Bit.

Patent for a detachable drill bit for use in drilling deep wells via the rotary method, where the bit can be replaced with the drill stem still in the bore.
Date: March 23, 1916
Creator: Carden, David A.
System: The Portal to Texas History
Diffusion-Block for Subsoil Irrigation. (open access)

Diffusion-Block for Subsoil Irrigation.

Patent for a diffusion block for subsoil irrigation, which prevents roots from growing into the pipe that is providing water to the soil.
Date: August 23, 1910
Creator: Ziller, Bessie
System: The Portal to Texas History
Cultivator Attachment (open access)

Cultivator Attachment

Patent for a cultivator attachment that keeps the cultivator beams properly separated.
Date: July 23, 1912
Creator: Hoetzel, Ernest J.
System: The Portal to Texas History
Agricultural Implement (open access)

Agricultural Implement

Patent for an implement to cut and destroy weeds and other toxic plants.
Date: September 23, 1919
Creator: Boone, Wallie R.
System: The Portal to Texas History
Cotton Seed Planter (open access)

Cotton Seed Planter

Patent for a cotton seed planter. Illustration included.
Date: May 23, 1911
Creator: McGuire, Daniel Harry
System: The Portal to Texas History
Cotton-Picking Machine (open access)

Cotton-Picking Machine

Patent for a cotton picking machine. Illustrations included.
Date: May 23, 1911
Creator: Haring, Peter Paul
System: The Portal to Texas History
Cultivator (open access)

Cultivator

Patent for improvements to cultivators that allow the driver to adjust displacement in order to avoid obstacles without changing the path of operation.
Date: September 23, 1913
Creator: Foster, John H.
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for an improved cotton-chopper.
Date: April 23, 1912
Creator: Leubner, Carl W.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a content chopping device with an adjustable lever and cutters. The cotton chopper can be attached to different cultivator frames (farm equipment) and adjusted to chop or thin out different rows of cotton stalks (or other plants).
Date: March 23, 1915
Creator: Adams, Joe B. & Miller, Lawrence M.
System: The Portal to Texas History
Cotton Chopper (open access)

Cotton Chopper

Patent for a new type of cotton chopper that has the ability to be adjusted in the vertical to make for faster cotton cutting. This is a simpler design making it cheaper to make and easier to repair.
Date: April 23, 1914
Creator: Fultz, Deck B.
System: The Portal to Texas History