UNT Libraries Government Documents Department - 2,896 Matching Results

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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.

Clothes-Pin

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.

Combined Plow and Harrow.

Description: Patent for combined plows and harrows, which operates to break up the earth after it has been plowed, while the plow is opening another furrow. This invention also features the provision of a harrow attachment which can be readily applied to or removed from various types of plows.
Date: October 21, 1913
Creator: Rohrer, Darius B.

Automobile Body.

Description: Patent for an automobile body that is designed for people who enjoy doing outdoor activities. Compares this design to the current design of what is called "touring cars."
Date: April 15, 1913
Creator: Saxon, Frank

Tie-Plate.

Description: Patent for Tie-Plate, which is an improvement on rail ties for railroad use. The Tie-Plate is a "single piece of material", providing a "rail supporting surface" (pg. 2, lines 13-17). Ribbing in the plate, allow for adjustable height to support the rails and a seat for the spikes.
Date: April 22, 1913
Creator: Clarke, Marcus S. & Adreon, Edward L., Jr.

Well-Screen.

Description: Patent for improvements in the construction of well-screens in order to increase efficiency and prevent clogs using a "cheap and durable construction" (lines 11-12) that includes illustrations and a description.
Date: May 27, 1913
Creator: Layne, Mahlon, E.

Resilient Wheel

Description: Patent for a new and improved resilient wheels designed with a very simple, durable, and efficient construction to eliminate cushion or pneumatic tires to obtain desired resiliency and are intended to be used on trucks or other heavy vehicles.
Date: March 11, 1913
Creator: Hughes, Robert J.

Aeroplane.

Description: Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.

Concrete Construction

Description: Patent for improved concrete construction methods for creating buildings made of or with concrete. These improvements include lighter walls with an air space that prevents dampening.
Date: September 12, 1913
Creator: Howard, Frances H.

Mineral-Prospecting Apparatus.

Description: Patent for an "apparatus for drilling and obtaining samples or specimens of minerals" (lines 12-13), and obtaining accurate samples of ores in situations where they would otherwise be washed away by water or broken apart. The patent includes illustrations.
Date: August 26, 1913
Creator: Andrews, Benjamin