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in subjects: "machinery"  
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Cultivator.

Description: Patent for a riding cultivator that keeps the shovel gangs positioned "parallel with the line of the draft, or with the longitudinal axis of the machine" (lines 19-21), by shifting them in the direction that the driver guides the wheels. The cultivator also provides a means to keep the depth of cultivation as uniform as possible when working on uneven ground or in different kinds of soil.
Date: January 3, 1922
Creator: Mayer, Henry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dynamo-Electric Machine

Description: Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile Block.

Description: Patent for improvements to automobile blocks, specifically employed for pulling automobiles from muddy or other places where the power of the car cannot be utilized. The patent is for a small, portable device that can be conveniently carried in the vehicle.
Date: January 17, 1922
Creator: Schaudies, Charles E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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

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

Combined Cotton Chopper and Cultivator.

Description: Patent for improved combined cotton choppers and cultivators where the operation of the chopper blades can be instantly controlled from the seat. This is combined with the cultivator shovels carried on the machine to the rear of the revolving chopper blades that are used to cultivate the soil.
Date: February 21, 1922
Creator: Whitaker, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Detachable Washer

Description: Patent for a detachable Washer which can be applied or removed from a bolt, without having to remove the bolt itself.
Date: August 8, 1922
Creator: Dubbs, Sylvester S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lawn-Mower Sharpener.

Description: Patent for a new device that improves lawn mower sharpeners, including illustrations. It is a detachable device that attaches directly to the lawn mower and sharpens the blades while in use.
Date: October 17, 1922
Creator: Lancaster, Edmund Banning
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Excavating Bucket.

Description: Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date: December 5, 1922
Creator: Dyke, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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