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Process of Purifying Oil

Description: Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.
Date: August 5, 1919
Creator: Miller, Albert E.
Partner: UNT Libraries Government Documents Department

Lawn Mower

Description: Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date: December 5, 1919
Creator: Coniglio Carmelo
Partner: UNT Libraries Government Documents Department

Pipe-Pulling Device.

Description: Patent for a pipe pulling device designed for wells. The device will automatically grip and hold pipe at any point of elevation.
Date: August 5, 1919
Creator: Thrift, Homer C.
Partner: UNT Libraries Government Documents Department

Elevating Truck.

Description: Patent for elevating truck equipped with a conveyor belt powered by an electric motor. The device is "easily moved about and placed in position by one or two men" (lines 29–30), but powerful enough to lift bales of cotton (or other objects) weighing up to 600 pounds, includes illustrations.
Date: August 5, 1919
Creator: Anderson, John L.
Partner: UNT Libraries Government Documents Department

Fuel-Supply Apparatus.

Description: Patent for an improved fuel supply apparatus for liquid fuel.
Date: July 5, 1919
Creator: Guthrie, William S.
Partner: UNT Libraries Government Documents Department

Stake Support and Brace.

Description: Patent for improvements in regarding "stake supports and braces for vehicle bodies" (lines 10-11) including an illustration. These improvements are specific to creating a combined "brace and supporting member" (line 41) to increase structural integrity.
Date: August 5, 1919
Creator: Robinson, Robert F.
Partner: UNT Libraries Government Documents Department

Thread-cutting Tool.

Description: Patent for a thread cutting tool developed to efficiently thread bolts, rods, and other parts without damaging the ends of the thread, includes illustrations.
Date: August 5, 1919
Creator: Newman, Malcolm A.
Partner: UNT Libraries Government Documents Department

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito
Partner: UNT Libraries Government Documents Department

Carpenter's Implement.

Description: Patent for a carpenter's implement designed to be easily carried within one's pocket, with illustrations.
Date: August 5, 1919
Creator: Smith, Evander A.
Partner: UNT Libraries Government Documents Department

Combination Lock and Jack.

Description: Patent for a combination lock and jack to prevent automobile theft. The jack locks the operating levers of an automobile to prevent them from moving, and the lock prevents its removal. The jack can also be detached and collapse for easy storage.
Date: May 5, 1919
Creator: Brittain, William Franklin
Partner: UNT Libraries Government Documents Department

Advertising-Sign.

Description: Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date: August 5, 1919
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department
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