UNT Libraries Government Documents Department - 494 Matching Results

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Setting-Basin Separating Device

Description: Patent for Settling Basin-Separating Devices. This device improves the issue of unwanted discharge shown in prior devices
Date: May 11, 1990
Creator: Allen, Charles

Boiler.

Description: Patent for improving domestic boilers used in plants by adding shells and jackets, with illustration. This improved boiler will provide more hot water than traditional boilers using water backs or coils.
Date: unknown
Creator: McChesney, Louis Preston

Centrifugal Separator

Description: Patent for improvements to previous patent application serial #846,524 for a centrifugal separation machine, intended for the purposes of separating heavier materials from lighter materials.
Date: unknown
Creator: Baylis, Everest A.

Demountable Rim.

Description: Patent for an improvement to demountable by providing a rim of the character specified, which may be locked to the rim or unlocked therefrom with a single operation.
Date: 191X
Creator: Foster, John N.

Manufacture of Bricks

Description: 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

Sight for Firearms

Description: Patent for sight for firearm that provides a transparent lens with sight marks and a scale to determine what sight mark to use when firing at an object.
Date: unknown
Creator: Critchett, James Clyde

Slime-Pulp Thickener.

Description: 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

Mop.

Description: Patent for an attachment that can be added to a standard broom which allows the broom to function as a mop.
Date: October 10, 1922
Creator: Glenn, William H.

Cigarette Package.

Description: Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date: September 5, 1922
Creator: Sohn, Elmer L.

Lock For Radiator Caps.

Description: Patent for a device to reliably and effectively secure the radiator cap in position on the filling neck of a radiator in order to avoid displacement. Device is of simple and durable construction and inexpensive to manufacture.
Date: May 9, 1922
Creator: Brown, Francis Nathaniel, Jr.

Hydraulic Classifier.

Description: 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

Building Construction

Description: Patent for building construction that is new and a useful improvement to sleeping porch construction.
Date: March 14, 1922
Creator: Trost, Henry Charles

Cosmetic Lotion.

Description: Patent for a cosmetic lotion to be used as a treatment for imperfections of the skin by inducing sloughing of the epidermis.
Date: February 28, 1922
Creator: Newlyn, Thomas J.

Metallic Roof.

Description: Patent for a metallic roof in which section edges are secured so that they do not become disconnected, intentional bracing prevents sagging, and securing the roof does not require the use of nails, which prevents leaks.
Date: February 21, 1922
Creator: Crawford, Hezekiah H.

Dynamo-Electric Machine

Description: Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more
Date: January 10, 1922
Creator: Kuhn, Preston Holmes

Coin-Wrapping Device.

Description: Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.

Piston Packing

Description: Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.

Valve and Valve-Seat.

Description: Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date: September 20, 1921
Creator: Bevelle, Joseph C. & Smith, Joseph J.

Fiber Extracting Machine

Description: Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date: September 6, 1921
Creator: Lambert, William O.

Dirigible Headlight

Description: Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.

Metal-Working Device.

Description: Patent for a hand-operated device that bends and shears metal at any desired angle and length.
Date: August 16, 1921
Creator: Bussel, H.

Locking Device for Motor-Vehicles.

Description: Patent for a simple, inexpensive locking mechanism that would prevent an automobile from being used in an unauthorized way, while still allowing the vehicle to be manually moved or towed if needed, including illustrations.
Date: June 21, 1921
Creator: Harris, Robert E.
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