UNT Libraries Government Documents Department - 49 Matching Results

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Aeroplane

Description: Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date: December 6, 1910
Creator: McManus, Augustus F. W.
Item Type: Refine your search to only Patent

Bat-Roost.

Description: Patent for a bat roost that provides roosting space, as well as a space for hibernation. The bat roost will have a lower space that allows the user to clean out the droppings.
Date: January 6, 1914
Creator: Campbell, Charles A. R.
Item Type: Refine your search to only Patent

Car-Brake

Description: Patent for "new and useful Improvements in Car-Brakes" (lines 6-7) relating to a railroad brake operating mechanism, including instructions and illustrations.
Date: February 6, 1912
Creator: Klasing, Augustus Frederick
Item Type: Refine your search to only Patent

Combined Pneumatic Lift and Force Pump.

Description: Patent for a combined pneumatic lift and force pump, which is able to reach the inexhaustible supply of water found at the depths of five to forty or more feet in the arid region of Texas and Great Central Valley of Mexico. The machinery perfects the simplicity and economy of construction needed to reach and lift a great volume of water in a short time.
Date: May 6, 1913
Creator: De Hymel, Franklin Oscar
Item Type: Refine your search to only Patent

COTTON CLEANER

Description: This is a patent for a Cotton Cleaner. This new cotton cleaner is able to use air to rotate the rotors to then separate the dirty cotton from the clean cotton.
Date: May 6, 1919
Creator: Cabrera, Maragarito
Item Type: Refine your search to only Patent

Electrical Signal System.

Description: Patent for an improved electrical signal system which can help ascertain "the position of a train or other obstruction on a railway-track ... at either terminal" (lines 14-16), including an illustration.
Date: March 6, 1906
Creator: Lacroix, Fred
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Packing Compound for Eggs.

Description: Patent for a mixture of shale dust, gypsum, wood ash, sulfur, borax, saltpeter, and salicylic acid. This compound is to be layered around eggs, fruits, or vegetables for the purpose of preserving them.
Date: May 6, 1902
Creator: Stukes, John Marion
Item Type: Refine your search to only Patent

Padlock.

Description: Patent for a new and improved padlock. This design "has for its object to provide an improved lock which, while simple in construction and operation, is at the same time so constructed as to be proof against the possibility of picking by unauthorized persons, and one which when unlocked will automatically release itself from the object and which locks of itself when sprung together" (lines 7-15). It consists in "a locking-lever pivoted at its center in said casing and provided with a locking-pi… more
Date: September 6, 1892
Creator: Brown, Vories P.
Item Type: Refine your search to only Patent
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