UNT Libraries Government Documents Department - 13 Matching Results

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Chain-Steamer.

Patent for a chain steamer that has an improved means of propulsion with a uniform speed despite a changing current. It does not allow the boat to laterally deflect. It is especially meant to be used with tow boats that travel on fast-moving, shallow streams. It can be used to move ferry boats across fast-moving rivers as well.

Date: February 7, 1893

Creator: Pfeifer, Edmund I. & Pfeifer, Eduard A.

Cotton Chopper

Patent for a cotton chopper. Illustration included.

Date: March 7, 1911

Creator: Carlson, Peet

Cotton-Handling Apparatus.

Patent for a cotton handling apparatus, which automatically feeds the cotton into the gin and stops if there is an overflow.

Date: July 7, 1908

Creator: Sullivan, Arthur A.

Cotton-Packer

Patent for an apparatus used for packing cotton prepared for baling. Illustrations included.

Date: June 7, 1910

Creator: Dixon, Albert S.

Electric Heater for Metal Workers.

Patent for a electric heater for heating metal in preparation for welding. Consists of a bath of sal ammonia and water with a layer of graphite on top that the metal is placed into and then electric current is turned on which heats the metal to a weldable temperature.

Date: May 7, 1907

Creator: Luthy, Joseph Otto

Gate.

Patent for a gate that can be manually controlled to open and close the gate when necessary.

Date: September 7, 1920

Creator: White, William Eugin

Improvement in Paper Boxes.

Patent for improved techniques in folding paper boxes using a single piece of paper in which the bottom part is safely secured. Illustration is included.

Date: March 7, 1876

Creator: Kuehne, Franz

Manufacture of Hydralic Cement

Patent for invention is to utilize in rejected hydraulic matter such as decomposed limestone.

Date: July 7, 1885

Creator: Dimelow, John

Process of Ginning Cotton.

Patent for a process of ginning cotton that is "based upon the principle of a gradual or successive ginning of the seed, somewhat analogous to the gradual reduction process of grinding wheat or other grain" (lines 28-61). This process improves ginning by over thirty-three percent.

Date: November 7, 1893

Creator: Bachman, Joseph A.

Rat Trap.

Patent for a new and improved rat trap. This design consists of "the pendulum bait-frame, in combination with triggers and attached to cam-springs and weighted trap-doors and rollers" (lines 59-62).

Date: February 7, 1882

Creator: Younger, Henry

Rolling Windshield.

Patent for an automobile attachment which protects the said automobile from adverse weather conditions. The apparatus is unique in its simple construction, practicality, and ability to "be rolled into a small compass" when not in use (lines 20-21).

Date: June 7, 1921

Creator: Gerhard, William H.

T-Square.

Patent for a new and improved t-square. This design calls for a triangular prism of a tongue, which enables more scales to be available to the work-person. The head, with its brackets and rabbet, will fasten the tongue in place while the work-person uses it.

Date: November 7, 1882

Creator: Rowe, Joseph William

Washing Machine.

Patent for a new and improved washing machine. This design "relates to improvements in the class of washing-machines commonly known as 'cylinder washing-machines,' and has for its object the production of a machine which will operate thoroughly and expeditiously, and without injury to the fabric, while at the same time it is light and inexpensive in construction and simple in operation; and with these ends in view the invention consists in the novel combination and arrangement of parts" (lines … more