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Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Partner: UNT Libraries Government Documents Department

Box Car Door Fastener

Description: Patent for a box door fastener used for railway box car doors. For use in sliding door style entrances, and does not require the alteration of doors once installed. Doors may also be fastened in place while also allowing to be in a slightly open position for ventilation of the interior.
Date: January 21, 1921
Creator: Wood, James Gillam
Partner: UNT Libraries Government Documents Department

Safety-Valve Mechanism for Pneumatic Tires.

Description: Patent for useful improvements on safety valve mechanism for Pneumatic Tires. This invention constructs a mechanism to control air pressure within the tire in order to prevent bursting from over charging, heating, sudden compression is avoided.
Date: January 31, 1917
Creator: Gebhardt, William C.
Partner: UNT Libraries Government Documents Department

Electric Edge Heel And Shank Setter.

Description: Patent for device setting heels and shanks for shoe manufacturing. It is an edged electric device with a rotary wheel.
Date: January 11, 1921
Creator: Lutes, William
Partner: UNT Libraries Government Documents Department

Vehicle-Tire

Description: Patent for a tire wheel that is resistant to shocks and vibrations when traveling over roads. This tire is more durable and is more resilient, leading to less break-downs on the road.
Date: January 11, 1921
Creator: Pepple, John W.
Partner: UNT Libraries Government Documents Department

Automatic Repeating Railroad-Signal.

Description: Patent for an automatic repeating railroad-signal designed to be used with semaphore and other train-signaling apparatus. It eliminates mistakes made in notifying the central office and automatically reports "any change in the position or color of the signal to a central office over the ordinary telegraph-wire" (lines 14-16). The signal is a wheel that operates a key to send a message to the central office.
Date: January 28, 1896
Creator: Innes, Robert Hayward
Partner: UNT Libraries Government Documents Department

Bale-Forming Apparatus

Description: Patent for an automatic bale forming apparatus that can be set to make a certain size cotton bale and will stop when it reaches that size and send the finished bale out on a conveyer belt and begin the next one.
Date: January 21, 1908
Creator: Reagan, Edgar
Partner: UNT Libraries Government Documents Department

Mechanical Rectifier.

Description: Patent for a mechanical rectifier for automobiles. This mechanical rectifier connects with the magneto or generator to turn alternating currents into to direct currents for charging a storage battery while operating the engine.
Date: January 29, 1918
Creator: Winterborne, Arthur William
Partner: UNT Libraries Government Documents Department

Nut Cracking Machine

Description: Patent for an industrial pecan cracking machine. Illustrations included.
Date: January 29, 1907
Creator: Gebhardt, William
Partner: UNT Libraries Government Documents Department

Paper File and Binder.

Description: Patent for a paper file and binder, which is expandable for varying amounts of pages and holds the papers firmly in the binder, but also allows easy removal.
Date: January 25, 1910
Creator: Springall, Walter A.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date: January 4, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Mechanical Packer.

Description: Patent for improvements towards the mechanical packing apparatus. The invention will connect the apparatus to power-operated presses, like that of the cotton press.
Date: January 25, 1921
Creator: Cameron, Theodore R.
Partner: UNT Libraries Government Documents Department

Folding Feed-Box.

Description: Patent for a folding feed box that may be "readily carried or packed in a small space" (lines 18-19) when not being used.
Date: January 7, 1913
Creator: Young, Benjamin Joshua
Partner: UNT Libraries Government Documents Department

Fire-Escape

Description: Patent for "a fire-escape and observation-tower, which may be raised or extended at any point, or be lowered and compactly folded for transportation" (lines 7-10).
Date: January 15, 1889
Creator: Rüllmann, John D.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a tool to enable its user to turn certain objects, such as nuts and bolts, efficiently.
Date: January 9, 1917
Creator: Bonelli, Liborio C.
Partner: UNT Libraries Government Documents Department

Easel

Description: Patent for an easel that has a sliding picture-rest, which is has a "clutch mechanism for holding the sliding rest at any desired elevation" (lines 11-14). It also has a "auxiliary folding rest for holding a model or study while the artist is engaged at work" (lines 20-22), which can be folded up when finished.
Date: January 12, 1897
Creator: Cooper, Harry
Partner: UNT Libraries Government Documents Department

Locking System for Jail-Doors

Description: Patent for locking system for jail doors where locks of a series of cell doors can be operated simultaneously.
Date: January 27, 1903
Creator: Youngblood, David Franklin
Partner: UNT Libraries Government Documents Department

Dry-Earth Closet

Description: Patent for "a commode which may be placed in a bed-room or other suitable place in a house without .danger to occupants on account of disease which would be superinduced by the presence of impure odors, as would be the case where an ordinary receptacle is used" and where the solid and liquid waste would be separated (lines 26-36).
Date: January 28, 1890
Creator: Carrico, Thomas A.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for vehicle wheels/tires and meant to improve upon current models that contain too many operating parts. Patent also contains improvements in performance of tires relating to expansion and contraction of the tires due to temperature.
Date: January 7, 1919
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Trailer for Land Vehicles.

Description: Patent for a trailer attachment for land vehicles, particularly automobiles.
Date: January 24, 1922
Creator: Brown, William F.
Partner: UNT Libraries Government Documents Department

Refrigerating Apparatus.

Description: Patent for a refrigerator that cools things "with the minimum expense for refrigerants; also, for affording ready access to the refrigerated substances" (lines 19-21). The cabinet has an outer layer, an inner layer, and a cooling layer. Ice is used to achieve lower temperatures.
Date: January 19, 1897
Creator: Cooley, Joseph H.
Partner: UNT Libraries Government Documents Department

Locomotive-Headlight.

Description: Patent for a three-way locomotive-headlight with easily removable screens of different colors in order to send signals. The screens are easily fitted to other locomotive headlights. This invention is meant to prevent accidents that happen without proper signaling.
Date: January 14, 1896
Creator: Davis, Moses J.
Partner: UNT Libraries Government Documents Department

Bicycle.

Description: Patent for certain new and useful improvements in bicycles, including instructions and illustrations.
Date: January 23, 1900
Creator: White, Edward Y.
Partner: UNT Libraries Government Documents Department

Mold and Mold Hoisting Apparatus for Building Concrete Walls.

Description: Patent for a new and improved apparatus for hoisting concrete. This design consists in "[t]he combination of shaft, drum, rope, and bar with the mold formed of [the] plank and with [the] frame . . . [t]he planks of the mold, made with rabbeted ends and provided with clamps . . . [and] [t]he combination of angle-pieces, bars, and clamping-screws with the mold-planks . . . [and] [t]he combination, with the planks of a concrete-mold having beveled ends, of angle-pieces, also having beveled-ends, a… more
Date: January 6, 1885
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department
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