UNT Libraries Government Documents Department - 13 Matching Results

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Automatic Slack-Take-Up and Cooling Device.

Description: Patent for new and useful improvements to Automatic Slack-Take-Up and Cooling Devices for the manufacturing of flexible roofing and other similar flexible materials, including illustrations.
Date: May 22, 1917
Creator: Smith, Frederick C.

Chain Release for Logging Cars.

Description: Patent for new and useful improvements for a chain release for logging cars, including illustrations.
Date: May 22, 1917
Creator: Dodd, John

Concrete Step Mold

Description: Patent for concrete that when used multiple times will produce a flight of stairs.
Date: March 20, 1917
Creator: Baldwin, Thomas H.

Filling-Machine.

Description: Patent for an improved filling machine that automatically transfers predetermined quantities of liquids from one container to multiple other containers such as oils into cans.
Date: May 22, 1917
Creator: Smith, Frederick C.

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

Head-Lamp-Controlling Means.

Description: Patent for an invention relating to the control of "headlamps" or headlights of motor vehicle. Objectives, structure, and illustrations of the invention are included.
Date: August 7, 1917
Creator: Whitlow, Alamander

Hoisting Drum.

Description: Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date: July 3, 1917
Creator: Howard, Henry Fischer

Manufacture of Aluminum Chlorid

Description: Patent for method of making aluminum chlorid, where a form of hydrated alumina is combined with coking coal, and then exposed to heat and chlorin/chlorin containing gas.
Date: February 27, 1917
Creator: McAfee, Almer M.

Process of Distilling Oil

Description: Patent for a new and improved process of distilling oil by inventor James E. Biggins.
Date: October 23, 1917
Creator: Biggins, James E.

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.

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.

Still for Distillation of Petroleum

Description: Patent for improvements in still design for distillation of petroleum or its products, providing relief for any suddenly formed vapors and preventing the oil from boiling over.
Date: July 24, 1917
Creator: Gallsworthy, Benjamin

Trailing Device for Tractors and the Like

Description: Patent for a device built to connect behind tractors and other farming vehicles. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: November 27, 1917
Creator: Fiegelson, Alexander
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