UNT Libraries Government Documents Department - 494 Matching Results

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Slime-Pulp Thickener.

Patent for a machine used in the wet milling process. It allows proportionate distribution of liquids to aide during the thickening process.

Date: April 17, 1923

Creator: Allen, Charles

Manufacture of Bricks

Patent for an improvement in the manufacturing of bricks, using the waste products of a coal burning furnace and other cheap ingredients.

Date: unknown

Creator: North, Clarance Lupfer

Tube-Mill.

Patent for improvements in tube-mills (employed for ore and other substances) which is meant to help support and drive rotating drums or cylinders of the mills allowing for more full appearances.

Date: October 1, 1918

Creator: Bergman, Julius G.

Lifter and Turner.

Patent for a lifter and turner tool to lift pots, pans, kettles and lids, and for turning and lifting food.

Date: February 12, 1918

Creator: Milliorn, William L.

Patent for an irrigator used to treat piles (hemorrhoids) and similar diseases. A nozzle delivers liquid to wash the surface of the mucus coating of the afflicted area, and then drains the liquid without obstructing the flow of the liquid. Patent includes illustrations.

Date: January 18, 1921

Creator: Phillips, Edwin R.

Valve-Spring Lifter.

Patent for valve spring lifter designed for use with internal combustion engines that holds the intake or exhaust valve springs in an elevated or rigid position. Illustrations included.

Date: June 18, 1918

Creator: Mountain, Thomas O.

Weed-Cutter

Patent for "a simple, light and inexpensive tool which an be handled easily by women working in gardens and fields, particularly for cutting sand burs and cockle burs" (lines 9-13) including instructions and illustrations.

Date: September 10, 1918

Creator: Klaffert, Katie

Windmill

Patent for a windmill that rotates on a vertical and horizontal axis. The blades are mounted to stop in order to prevent damage to the windmill should pressure occur.

Date: November 11, 1919

Creator: Brown, Archie Edwards

Windmill.

Patent for a windmill with vanes that can compensate for varying wind speeds without being damaged by high winds.

Date: October 21, 1919

Creator: Ochoa, Victor Leaton

Lateral-Wear Reducer for Locomotives.

Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.

Date: March 29, 1921

Creator: Paxton, Thomas

Trailer.

Patent for improved construction and arrangement of trailers. This improvement will allow an easy turning movement where a number of trailers are connected while admitting of strain between the various trailers when they are turning a corner or going around a curve.

Date: August 20, 1918

Creator: Watkins, Leigh

Hot Water Heating System

Patent for an improvement to open fire water heating systems in buildings.

Date: January 12, 1917

Creator: McChesney, Louis P.

Hydrocarbon-Burner

Patent for an improved hydrocarbon burner, including illustrations.

Date: April 6, 1920

Creator: Critchett, James C.

Hydraulic Classifier.

Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.

Date: March 21, 1922

Creator: Allen, Charles

Spark-Arrester.

Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.

Date: January 27, 1920

Creator: Ashby, Bert A.

Priming Device.

Patent for a priming device, used on internal combustion engines, that can be used to assist an engine heat up. Through this device, users can accelerate this process and benefit from a more fuel-efficient vehicle.

Date: July 9, 1918

Creator: Brooks, Howard

Process of Vaporizing Liquids and Apparatus Used in Connection Therewith.

Patent for improvements in vaporizing liquids referring to a processing a liquid such as gasoline or kerosene and properly mixing it with air.

Date: May 25, 1920

Creator: McClinktock, Charles David

Toy Projectile

Patent for toy arrows and similar projectiles "which may be safely shot or projected by children without danger of the arrow injuring any object or hurting the child" (lines 12-15). Additionally it can be used to kill flies without smashing them.

Date: April 9, 1918

Creator: Pewther, Judson C.

Lacing-Eyelet.

Patent for the improved construction and efficiency of a Lacing-Eyelet. The device is used for supporting lacing in fashion wear, including shoes and corsets. Improvements include providing quicker implementation of the device without risk of damaging the garment it is used on. Additional improvements include the device having uniform and interchangeable parts which can be manufactured in quantities so as to be easily replaced if necessary. Accompanied with illustrations.

Date: April 8, 1919

Creator: Langford, Joseph O.

Torpedo-Guard.

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.

Process of Leaching Copper Ores

Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.

Date: October 22, 1918

Creator: Hahn, Albert W.

Process for Making Cattle Food

Patent for providing "a process whereby cattle food may be economically produced from sotol which, when combined with certain other food products, will produce an equivalent to alfalfa and which can be produced at a cost far below that required to provide a feed of the same amount of alfalfa &c., &c." lines 17-23

Date: February 26, 1918

Creator: Thatcher, Frank

Lamp Attachment

Patent for a new and improved Lamp Attachment which instantaneously extinguish lamp mechanically, without necessitating the employment a person's breath or the elevation of the lamps chimney.

Date: July 8, 1919

Creator: Rodriguez, Gavino

Method of Welding

Patent for an improved method of welding broken frames in portions of machinery that are difficult to access, with illustrations and instructions.

Date: April 23, 1918

Creator: Brown, Charles Henry