UNT Libraries Government Documents Department - 23 Matching Results

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Automatic Train Stop

Description: Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.

Cigar or Cigarette Holder

Description: Patent for improvements to cigar and cigarette holders so that the stub (butt) of the cigar/cigarette can be easily ejected, thereby decreasing the instances of choking. This also makes the mouthpiece easier to clean and therefore, more sanitary.
Date: May 14, 1918
Creator: McClintock, Herbert R.

Direction-Indicator.

Description: Patent for a direction indicator that is "extremely simple, durable, efficient in operation, and inexpensive to manufacture" (lines 20-22). It is "an improved electrically operated direction indicator, in the nature of an arm pivotally mounted in a casing and operated by an electro-magnetically controlled lever [...] for indicating the directions in which the vehicle to which the device is applied, is about to move" (lines 10-17), including illustrations.
Date: May 16, 1916
Creator: Justus, Fred E.

Floor-Cleaner.

Description: Patent for an improved floor cleaner that allows for a belt or apron to be turned on to provide continuous motion in order to clean or scrub floors. The floor cleaner will also supply water to the belt, wring and catch dirty water from the belt, and tighten the belt.
Date: May 9, 1916
Creator: Crawford, Hezekiah H.

Furnace.

Description: Patent for a furnace used in steel making operations to "enable...uniform heating and the dissipation of the black spots" created on some heated materials during the heating process by means of a "lifting means or moveable hearth."
Date: May 18, 1915
Creator: Moore, Ralph S

Garden Implement

Description: Patent for new garden implement that is "a combination of a rake and scraper and which may also be used in the capacity of hoe or allied implement." (lines 11-13), including illustrations.
Date: May 4, 1915
Creator: Bozarth, John Alexander

Method of Treating Ores.

Description: Patent for "new and useful Improvements in methods of Treating Ores, of which the following is a specification. The present invention relates to a method of treating ores carrying gold and silver values in any form amenable to cyanid treatment or flotation" (lines 6-12).
Date: May 8, 1917
Creator: Friberger, Harry Louis

Process of Making Alcohol

Description: Patent for improvements in processes for making alcohol. The process relates to making alcohol from sotol and other species of cacti. This involves subjecting the cacti with water and steam in a digester. The resulting fermented liquid can be distilled.
Date: May 19, 1914
Creator: Thatcher, Frank

Threshold

Description: Patent for an improved threshold to fit the bottom of a door more properly to "prevent the entrance of dust, wind, and rain" (lines 16-17).
Date: May 11, 1915
Creator: Krause, Ernest

Torpedo-Guard.

Description: Patent for torpedo guards that can be applied without needing to place the vessel in a dry dock, as well as giving the option of retracting the torpedo guards when not needed. Includes illustrations.
Date: May 21, 1918
Creator: Rolf, Frederick G.
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