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Boiler Stay Bolt

Description: Patent for a boiler stay bolt. Illustration included.
Date: September 20, 1904
Creator: Peters, Joseph & Coleman, John
Partner: UNT Libraries Government Documents Department

Apparatus for Utilizing Hot Slag for Heating Purposes

Description: Patent for an apparatus which holds molten slag in the exterior chambers of the receptacle such that the interior chambers can receive water to be heated, producing steam and hot air.
Date: September 11, 1900
Creator: Wells, James L.
Partner: UNT Libraries Government Documents Department

Air-Lock for Mines and Tunnels

Description: Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.
Date: September 8, 1908
Creator: Durack, Partick H.
Partner: UNT Libraries Government Documents Department

Caustic-Soda Process.

Description: Patent for mixing anhydrous sodium-sulfate with saw dust, heating the mixture in a furnace to 880 degrees Celsius and letting it partially cool. This process will convert the sodium-sulfate to sodium sulfide which when combined with the saw dust creates a liquid which will not oxidize because of the saw dust. The saw dust prevents the mixture from becoming volatile. When lime is added to the mixture then caustic soda is created.
Date: September 7, 1915
Creator: Hirt, Jules Hector
Partner: UNT Libraries Government Documents Department

Blast Device for Shoe-Polishing Machines.

Description: Patent for blast device for shoe-polishing machine which is so constructed as to apply polish to a shoe and then dry the same and afterward polish the shoe, thus dispensing with the necessity of the employment of the ordinary brushes and other paraphernalia now in the use for the purpose.
Date: September 11, 1917
Creator: De Los Monteros, Gustavo Espinosa
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an airplane with improved steering capabilities and adjustments for atmospheric conditions.
Date: September 29, 1914
Creator: Canion, William G.
Partner: UNT Libraries Government Documents Department

Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants.

Description: Patent for an improved apparatus for scraping lechugilla, henequen, and analogous fibrous plants. This apparatus scrapes the stalks of the plants mechanically and separates the pulp from the fiber of the plant so that the fiber will be cleaned and ready for use.
Date: September 3, 1918
Creator: Aguilar, Alfonso
Partner: UNT Libraries Government Documents Department

Weed-Cutter

Description: Patent for "a simple, light and inexpensive tool which an be handled easily by women working in gardens and fields, particularly for cutting sand burs and cockle burs" (lines 9-13) including instructions and illustrations.
Date: September 10, 1918
Creator: Klaffert, Katie
Partner: UNT Libraries Government Documents Department

Windmill Tower

Description: Patent for a windmill tower. Illustrations included.
Date: September 10, 1907
Creator: Eubank, Josephus H.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for a simple, strong, and inexpensive lifting-jack used in railroads, mills, and similar things that is "capable of manipulation by a single operator and adapted to elevate loads to various heights according to the size of the structure and support the same at the desired elevation" (lines 12-16).
Date: September 11, 1894
Creator: Foix, Louis
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for an internal combustion engine for multi-cylinder engines, which has automatically opening valves powered by the exhaust gas.
Date: September 17, 1907
Creator: Thomas, Percy Frank
Partner: UNT Libraries Government Documents Department

Process of Producing Gas.

Description: Patent for a continuous process of producing a gas rich in carbon monoxide, in which the gas-forming combustible material enters the gas-generating chamber from one end while producer gas exits the other end. Includes instructions and illustrations.
Date: September 15, 1914
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Purse.

Description: Patent for a small purse attached to the hand via a strap, including illustration of purse in use on hand.
Date: September 26, 1916
Creator: Urmston, William B.
Partner: UNT Libraries Government Documents Department

Pipe Joint Reinforcing Attachment

Description: Patent for Pipe Joint Reinforcing Attachment
Date: September 12, 1916
Creator: Frilick, Joseph O
Partner: UNT Libraries Government Documents Department

Metal Cross Tie And Rail Fastener

Description: Patent for metal cross ties and rail fasteners. Illustrations included.
Date: September 27, 1904
Creator: Sawyer, Ben S. & Bull, Clarence C.
Partner: UNT Libraries Government Documents Department

Process of Producing Gas

Description: Patent for a carbon monoxide gas producer. Illustrations included.
Date: September 24, 1912
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Switch-Stand

Description: Patent for switch stands. The improvement is to provide a mechanism in connection with stands of the character specified for moving the points of a switch to deflect trains from the main track on to the switch, wherein locking mechanism is provided for locking the switch points in safety or main line position and connected to the operating mechanism for moving the points in such manner that when operating arm for the switch is moved into the inoperative position after returning the points to th… more
Date: September 21, 1915
Creator: Philips, Smith F.
Partner: UNT Libraries Government Documents Department

Pocket Index

Description: Patent for Pocket Index
Date: September 26, 1916
Creator: Urmston, William B.
Partner: UNT Libraries Government Documents Department

Paper-Clip

Description: Patent for an improved paper-clip "which is extremely simple in construction, permitting ease of manipulation and the manufacture thereof at a greatly reduced cost" (lines 12-14).
Date: September 2, 1919
Creator: Lea, Thomas
Partner: UNT Libraries Government Documents Department

Fluid-Operated Signal

Description: Patent for a fluid operated signal with illustrations. The device would allow communication between a train engineer and a caboose conductor through a device that utilizes the fluid-pressure brake system of the freight train.
Date: September 30, 1902
Creator: Bell, Chester L.
Partner: UNT Libraries Government Documents Department

Fiber Extracting Machine

Description: Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date: September 6, 1921
Creator: Lambert, William O.
Partner: UNT Libraries Government Documents Department

Orchard-Heater.

Description: Patent for
Date: September 2, 1913
Creator: Cole, Robert F.
Partner: UNT Libraries Government Documents Department

Rail Joint Connection

Description: Patent for Rail-Joint Connection
Date: September 15, 1903
Creator: Houlehan, John
Partner: UNT Libraries Government Documents Department
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