UNT Libraries Government Documents Department - 614 Matching Results

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Advertising Device

Description: Patent for an advertising device meant to sit on a desk as a ruler. This device is designed to make the images on its surface appear to be suspended in air when it is lifted. It can be manufactured cheaply and is intended to be distributed for free as both a ruler and advertisement.
Date: April 9, 1918
Creator: Glisson, Amos Adolphus
Item Type: Refine your search to only Patent

De-Aerator

Description: Patent for improvements in de-aerators such as "forcing the water into the tank and spraying the same against the cylinder to cause the air and gases to separate from the water, and means for causing a vacuum in the upper end of the tank from which a suction pipe extends to allow ready escape of the separated air and gases" (lines 27-33) including illustrations and instructions.
Date: September 9, 1913
Creator: Strite, Frank S.
Item Type: Refine your search to only Patent

Angle Cock Device

Description: Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date: March 9, 1915
Creator: Ellwood, Thomas B.
Item Type: Refine your search to only Patent

Animal Shears.

Description: Patent for new and improved animal shears. This design is "to secure an equal wear of the teeth of the stationary and the revolving cutter-plates . . . whereby the instrument may be run double the usual time before it is necessary to grind the plates, and enabling the tool to be used as a right or a left hand cutter; also, to render the cutters separable without arresting the motion of the rotary blade . . . also, to provide means whereby the rotation of the cutter may be reversed . . . finally… more
Date: December 9, 1884
Creator: Carter, Francis W.
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Animal-Trap

Description: Patent for an animal trap with a unique construction. It can be used for many animals but is specially made for salamanders or other burrowing type animals.
Date: September 9, 1902
Creator: Hetherington, Sam
Item Type: Refine your search to only Patent

Animal-Trap

Description: Patent for a foot trap for catching animals known for their furs that will prevent the animal from gnawing the trap or his foot off.
Date: May 9, 1911
Creator: Roberson, Elige L.
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for a "self-setting" (line 16) trap with a "tilting platform" (line 17) including an illustration. The trap is designed to retain the animal and is made for easy removal of the animal.
Date: September 9, 1913
Creator: Trull, Harvey L.
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for a new and improved ant trap. This design "has for its object the production of a simple, cheap, and effective device whereby the ants are confined to a space within the circle of the trap, speedily captured, and exterminated. It consists in a trap constructed with a circular flanged pit provided with tubes leading therefrom to a central ant-receptacle; also, in the details of construction of the trap" (lines 8-16).
Date: November 9, 1886
Creator: Barnes, Robert Hanson & Salles, George Camiel
Item Type: Refine your search to only Patent

Apparatus for Barreling Soap-Stock.

Description: Patent for "an apparatus for filling barrels with soap-stock or other thick liquid of similar consistency, the object being to provide a machine whereby the barrels may be filled quickly through the bung-hole." (Lines 12-16) Includes instructions and illustrations.
Date: February 9, 1897
Creator: Ahrenbeck, William C.
Item Type: Refine your search to only Patent

Apparatus for Raising and Lowering Wagon Bodies.

Description: Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combination of vertical supports, a lever pivotally supported therefrom between its ends and having a roller in one end, a shaft adapted to be secured to one end of the body, a cord having one end connected with the same end of the body as the shaft and passing over the roller and its opposite end attached to the shaft, and a cord attached to the opposite end of the body and to the adjacent end of the … more
Date: December 9, 1890
Creator: Scott, Eugene Edward
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Apparatus for Sulfur Mining

Description: Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent

Attachment for Pianos or Organs

Description: Patent for "an attachment that can be used on pianos or organs, whereby the manipulation of the keys is greatly facilitated and playing upon the instrument greatly simplified, and the attachment is especially designed for those who do not to any great extent understand music or beginners who find it difficult to make the several chords in any particular key, the device being capable of ready attachment to the keyboard of any piano or organ and removed when not required for use" (lines 27-37).
Date: August 9, 1892
Creator: Stukes, John M.
Item Type: Refine your search to only Patent

Attachment for Planters.

Description: Patent for attachment for planters that currently employed for planting cotton and corn fields, the object of the invention is to provide a device of this character which embodies novel features of construction whereby the runner is mounted and held firmly in position by action of spring, including illustrations.
Date: October 9, 1917
Creator: Raulz,Willie H.
Item Type: Refine your search to only Patent
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