UNT Libraries Government Documents Department - 15 Matching Results

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Beet Harvesting Machine

Description: Patent for a machine that will harvest beets with only two operatives and not made of "heavy construction." Includes instructions and illustrations.
Date: April 17, 1913
Creator: Stone, John

Beet-Harvester

Description: Patent for a beet-harvester that improves the efficiency and lowers the cost of beet-gripping devices, including illustrations.
Date: December 22, 1914
Creator: Stone, John E.

Attachment for Headers

Description: Patent for improving attachments of headers to convert horse-drawn headers into motor headers.
Date: December 2, 1919
Creator: Thomas, Samuel S. & Thomas, Elbert F.

Wagon-Coupling.

Description: Patent for an improved wagon-coupling, which is easy to manufacture.
Date: April 27, 1909
Creator: Biggers, Samuel A.

Valve.

Description: Patent for a valve for water hydrants, which can be easily drained.
Date: April 5, 1910
Creator: Biggers, Samuel A.

Tractor Attachment

Description: Patent for a tractor attachment. The purpose of this attachment is to lift up the back wheels of the driving vehicle and improving the power of the vehicle.
Date: December 17, 1918
Creator: Thomas, Samuel Shelby

Washer.

Description: Patent for a hinged washer, which can be removed from a bolt without removing the nut.
Date: February 8, 1910
Creator: Vannoy, John B.

Rake.

Description: Patent for a rake with curved ends and multiple teeth that hold the material and keep it from going to the sides.
Date: August 15, 1916
Creator: Green, Ella M.

Washing-Machine

Description: Patent for a washing machine that also includes a wringer.
Date: August 13, 1912
Creator: Biggers, Samuel A.

File-Cabinet

Description: Patent for a filing cabinet to be used in retail stores and business places. Illustrations included.
Date: April 5, 1910
Creator: Ball, William J.

Pencil-Sharpener.

Description: Patent for an improved pencil sharpening attachment that attaches to the driving shaft of the motor of an electric fan. The fan serves the purpose of acting as a fan and sharpening a pencil.
Date: September 12, 1916
Creator: Dodd, Chester C.

Portable Elevator

Description: Patent for improvements in portable elevator devices. It is a cheaper and more efficient alternative to other portable elevator devices, designed with the purpose of unloading trucks.
Date: April 30, 1919
Creator: Kees, Homer Robert & Thomas, Elbert Franklin

Rotary Engine.

Description: Patent for a new rotary engine containing a steam chest to hold fluid which flows into an exhaust chamber to reduce back pressure.
Date: May 19, 1914
Creator: Rhoades, Charles A.
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