UNT Libraries Government Documents Department - 28 Matching Results

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Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Tub Holder

Description: Patent for improvements made to tub holders, primarily to suit tubs of various sizes for heating water. Purposes for holding tubs include boiling water for clothes and food. The improvements focus on support of the tubs, and allow for rotation of tubs with ease and efficiency.
Date: April 28, 1914
Creator: Dullnig, Adolph Cleveland
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Biplane

Description: Patent for a biplane design that has improved lift, steering, stability, and landing, including illustrations.
Date: July 28, 1914
Creator: Herrmann, Ernst W. F.
Item Type: Refine your search to only Patent

Mold for Casting the Hulls of Concrete Ships.

Description: Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the axle having the landside-wheel and the larger inclined furrow-wheel, of the tongue, the vertical bars secured to the under side of the tongue, the lower ends of the bars being clipped to the axle and adjustable laterally thereon, the curved brace clipped at its ends to the axle and between its ends to the lower ends of the bars, and the plow and its operating lever" (lines 73-82).
Date: June 28, 1887
Creator: Locke, William J.
Item Type: Refine your search to only Patent

Secondary Battery.

Description: Patent for a type of storage battery that is "simple in construction, light in weight, durable in operation, and not liable to injury or deterioration", and that can be charged easily multiple times, Patent includes instructions and an illustration.
Date: March 28, 1916
Creator: Luthy, Joseph O.
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Insect Destroying Apparatus.

Description: Patent for a new and improved ant trap. This design "relates to apparatus . . . in which a vessel having an open bottom, but closed top and sides, and containing a furnace for burning obnoxious substances, is projected into or made to form a close joint with the ground, and which has a fan or pump combined with it that causes the fumes from the furnace to enter the ant-holes in the ground. [They] have been . . . attended with so many disadvantages . . . [t]he object of [the] invention is to rem… more
Date: August 28, 1883
Creator: Matthews, James M.
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Drilling Tool for Wells.

Description: Patent for a new and improved drilling tool for wells. This design "relates to tools for drilling or boring Artesian, oil, and other deep wells; and it has for its object to prevent the loss of drill or auger or any portion of the drill-rods. With this end in view the invention consists in the improved means for connecting the tool to the lower end of the drill-rod" (lines 9-15).
Date: May 28, 1889
Creator: McLane, Hiram H.
Item Type: Refine your search to only Patent
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