UNT Libraries Government Documents Department - 48 Matching Results

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Threading Apparatus For Pipes.

Description: Patent for improvements of the threading apparatus for pipes through a simple attachment to automobiles wheels. Illustrated figures with descriptions are presented to easily show the ways in which the device attaches and is used.
Date: December 28, 1920
Creator: Adkins, Otto O.

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.

Cotton-Picking Machine.

Description: Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.

Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.

Article Holder or Stand.

Description: Patent for a device that conveniently and readily supports books, photographs, picture cards, and other similar articles. The new design is formed from a single strand of wire, and is specifically adapted for holding books in an open position and allowing the pages to be turned as needed.
Date: February 28, 1922
Creator: Boyette, Oren K.

Packer for Wells

Description: Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William

Soft-Collar Holder.

Description: Patent for a soft collar holder for men's wear. This is "a means for retaining or securing the front edges of the collar flap or fold" (lines 9-11.) The device patented is effective and can be "readily applied and removed" (lines 13-14.)
Date: February 28, 1922
Creator: Guidry, Frank

Electric Hairbrush

Description: Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date: November 28, 1922
Creator: Harvey, Birdie

Pipe Tongs.

Description: Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.

Mold for Casting the Hulls of Concrete Ships.

Description: Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.

Furniture Polish

Description: Patent for a furniture polish, in liquid compound form, for use in cleaning and polishing furniture, vehicles, woodwork, and other similarly coated or enameled surfaces.
Date: December 28, 1920
Creator: James, John F.

Ventilated Body-Garment.

Description: Patent for new ventilated body-garments "known as union-oversuits or "unionalls"" (lines 15-16) which improves the shoulder coverings and open armpit areas, allowing the passage of air but covering the area from rain.
Date: December 28, 1920
Creator: Jenkins, William M. & Vaughan, William H.

Pump

Description: Patent for a pump that can be "cleansed of sand and other foreign matter" which may cause an obstruction or interference "with the operation of the pump valve" (lines 13-15).
Date: May 28, 1920
Creator: Johnson, John L.

Refrigerator-Door.

Description: Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin

Pneumatic Cushioned Tire.

Description: Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date: June 28, 1921
Creator: Kerr, Augustus Hallawell; Smith, J. A.; Atkinson, J. M.; Dacus, J. A. & Coley, W. L.

Pump

Description: Patent for improvements to pumps in working barrels, packing, and packing chambers, the purpose of which is to eliminate easily worn parts and improve the efficiency of these pumps, including illustrations.
Date: November 28, 1922
Creator: Kerr, Michael A.
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