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Viscoscometer.

Description: Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date: June 13, 1916
Creator: Lorenz, Charles O.
Partner: UNT Libraries Government Documents Department

Improvements in Burners

Description: Patent for improvements for burners. It is related explicitly to hydrocarbon burners. Its purpose is to keep the oil and steam separate as they leave the burner by keeping them in two separate streams.
Date: June 19, 1918
Creator: Trahan, Clair A
Partner: UNT Libraries Government Documents Department

Starting Meachanism for Explosive Engines

Description: Patent for a mechanism for starting internal combustion engines, and particularly that form of starting devices in which a torsion spring is used.
Date: June 20, 1916
Creator: Appleman, Boyd K.
Partner: UNT Libraries Government Documents Department

Oil-Tank.

Description: Patent for oil tank top to prevent destruction of inflammable substance in the tank by enabling the gas to escape in a simple and effective manner.
Date: June 27, 1916
Creator: Bradley, Benjamin Franklin
Partner: UNT Libraries Government Documents Department

Percolator.

Description: Patent for a percolator that has a storage tank where the water may be heated and stored for later use to make coffee. The device also features a cylinder, where ground coffee is placed, that can be removed for easy cleaning.
Date: June 13, 1916
Creator: Duke, Holmes
Partner: UNT Libraries Government Documents Department

Process of Making Aromatic Hydrocarbons

Description: Patent for an invention that relates to processes of making aromatic hydrocarbons, and comprises a method of producing lower boiling aromatic hydrocarbons.
Date: June 26, 1917
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Rotary Drilling Apparatus

Description: Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date: June 22, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Safety-Lamp.

Description: Patent for a safety lamp that prevents the explosion of combustible gases by adding a perforated dome and air chamber. The expansion spaces cut off the air supply and extinguish the lamp.
Date: June 5, 1917
Creator: Kincade, Elmer C.
Partner: UNT Libraries Government Documents Department

Heater

Description: Patent for a new and useful heater design "particularly for heating the water in the circulating system of internal combustion engines, such as are used in automobiles" (lines 10-12). Illustrations are included.
Date: June 6, 1916
Creator: Smith, Frederick C.
Partner: UNT Libraries Government Documents Department

Hoisting Hook.

Description: Patent for "certain new and useful Improvements in Hoisting-Hooks" (lines 5-6) including specifications and illustrations.
Date: June 22, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Gearing for Hoisting Apparatus

Description: Patent for gearing that hoists items in construction. This one is designed more specifically with the drilling of wells in mind, but it can be used in other activities as well. The apparatus can run at varying speeds, all controlled by a single person who does not have to leave the controls to adjust said speed.
Date: June 5, 1917
Creator: Black, Lee Jackson
Partner: UNT Libraries Government Documents Department

Boring-Bit.

Description: Patent for a boring drill. The invention creates a new means "for connecting the constituent members of the head so as to provide novel means for assembling the head with a driving element" (lines 19-22).
Date: June 10, 1913
Creator: Larnce, John B.
Partner: UNT Libraries Government Documents Department

Aerodrome

Description: Patent for an aerodrome. Illustrations included.
Date: June 6, 1911
Creator: Mayhew, Nathaniel L.
Partner: UNT Libraries Government Documents Department
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