UNT Libraries Government Documents Department - 2,922 Matching Results

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Description: Patent for improved design and function in oil burners, specifically on fuel nozzle and needle valve, allowing for greater control of gas that flows through to create combustion.
Date: January 27, 1914
Creator: Butler, Louis

Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.

Package Tie

Description: Patent for improvements made to package ties that are utilized by letter carriers to bind multiple letters or newspapers. This patent details improvements in efficiency of use, and construction for mass production to be sold at a small price.
Date: March 10, 1914
Creator: Patrick, Charles A.


Description: Patent for a new and improved oil burner design to provide simultaneously regulation of the fuel, steam, and water supply to the coil, including illustration.
Date: January 27, 1914
Creator: Clayton, Oscar B.

Carbon Holder for Electric Arc Lamps

Description: Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date: March 17, 1914
Creator: Lacy, Benjamin Burton & Elrod, Henry E.

Oil Burner

Description: Patent for an improved oil burner design that uses steam to heat and vaporize the oil, mixing with the oil for more efficient burning, including an illustration.
Date: April 7, 1914
Creator: Tinkham, George F.


Description: Patent for a door-fastener, lock, that can be attached to on the facing side or from the inside so that the fastener cannot be unlocked from the outside. The door-fastener is light weight so that it can be easily carried about.
Date: January 4, 1916
Creator: Scroggins, Fred.


Description: Patent for a sweat band designed to be secured within a hat which is elastic so that it may be made to bind or grid the head of the wearer and secure the hat firmly on the head, including illustrations.
Date: November 28, 1916
Creator: Heady, Louis, B.

Pencil Attachment

Description: Patent for a pencil attachment that serves the purpose of protecting the pencil point when not in use. The attachment also protects and cleans the rubber or eraser of the pencil.
Date: April 14, 1914
Creator: Swindowsky, Charles.


Description: Patent for a drill especially adapted for use in rock and earth formations. The drill has a number of separate cutters that are secured onto a head and detachable, which gives the tool many advantages.
Date: November 4, 1913
Creator: Weathersby, Fred Richard

Picket-Fence Machine.

Description: Patent for a picket fence machine for a fence that can be built of wire where normal fence pickets are woven and spaced an equal distance apart, including illustrations and instructions.
Date: March 10, 1914
Creator: Purdy, John S.

Incubator Alarm

Description: Patent for incubator alarm in which an audible signal will be triggered when the temperature of the incubator is above or below the normal predetermined degree.
Date: June 10, 1913
Creator: Kelley, Clyde W.


Description: Patent for new and useful improvement to clothes pins to automatically lock themselves against accidental disengagement from the clothes line.
Date: April 22, 1913
Creator: Ingersoll, Charles J.

Sealing Device.

Description: Patent for improvements in the design of devices used for sealing car doors, including illustrations and a description. The device is designed in such a way that the seal may not be removed in the locked position without breaking the door, thus preventing theft.
Date: July 1, 1913
Creator: Fox, Charles E.