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Pump

Description: Patent for pump that has "a valve chest which is formed of a single casting removably mounted on the pump cylinder, and carrying all the valves of the pump."
Date: October 24, 1916
Creator: Black, Lee J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Planter Attachment to Plows

Description: Patent for a planter attachment that will drop the desired seed while plowing, and can be controlled by the operator.
Date: October 31, 1916
Creator: Kern, Harry L. & Gerhold, Walter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Journal-Box

Description: Patent for a journal box that requires no disassembly to be replenished. Illustrations included.
Date: July 26, 1910
Creator: McFadden, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Tank.

Description: Patent for an oil tank that is fire proof and will not explode completely if it is struck by lightning.
Date: July 18, 1911
Creator: Price, James Bain
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Purifying Oils

Description: Patent that converts low grade petroleum into higher grade petroleum. The process warms aluminum chlorid with petroleum material in a nonviolent way to make a purifying oil.
Date: August 27, 1918
Creator: McAfee, Almer M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Manufacture of Aluminum Chlorid

Description: Patent for the manufacture of aluminum chlorid and the method of making aluminum chlorid to produce vapors that are subsequently condensed in any suitable manner. This patent is important because it is advantageous to work with a producer of gas made at as high a temperature. This is because of the greater amount of sensible heat it carries forward for use in the reaction.
Date: July 1, 1919
Creator: King, George H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of and Apparatus for Making Halids

Description: Patent for a new and improved process of and apparatus for making halides which transmit the necessary heat to the reaction mass by preheating the chlorine and not through the wall as in usual types of retorts.
Date: July 8, 1919
Creator: Abbott Lyle Stockton
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stump-Puller.

Description: Patent for an improved design for a stump-puller, using a hoisting derrick and lever to attach to the stump and pull it from the ground.
Date: April 23, 1918
Creator: Weese, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Still.

Description: Patent for a still designed to refine crude petroleum and extract lighter elements, including illustrations.
Date: February 11, 1919
Creator: Gallsworthy, Benjamin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire Structure

Description: Patent for a tire structure that eliminates circumferential differences and also renders a simpler, less expensive model for tire construction.
Date: October 7, 1919
Creator: Smith, Jesse G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Heel-Sweep.

Description: Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."
Date: December 16, 1919
Creator: Kelly, George Dudley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hen-Nest

Description: Patent for an improved hen nest. This nest prevents hens from roosting when the keeper chooses by the ability to turn the nests from horizontal to vertical.
Date: July 25, 1916
Creator: Hebert, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for improvements to furnaces which use oil-fueled, stationary or locomotive boilers.
Date: July 6, 1915
Creator: Wilson, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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