UNT Libraries Government Documents Department - 12 Matching Results

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Wrench

Description: Patent for wrenches that provides a means for engaging faces of the jaws to be renewed or changed. This improvement also allows for secure placement without loss of motion.
Date: August 2, 1921
Creator: Belcher, Mark
Item Type: Refine your search to only Patent

High-Pressure Suction Fan and Blower.

Description: Patent for "a fan which will operate in a continuous and highly efficient manner and increase the air pressure with a reduced power of operation" and "may be used either in conjunction with a cotton gin...or it may be used for any other purpose where suction or blast fans are used" (lines 31-33, 10-15). It includes an illustration.
Date: August 2, 1921
Creator: Blackmon, Enoch J.
Item Type: Refine your search to only Patent

Culinary Utensil

Description: Patent for a culinary utensil designed as a unique fork which can retrieve articles from a boiling pot without having to expose the hands to the steam.
Date: August 2, 1921
Creator: Brown, Elmer D.
Item Type: Refine your search to only Patent

Rotary Fountain-Brush

Description: Patent for a Rotary Fountain-Brush. The innovation of this item is that the water or cleaning agent fed into the brush causes it to rotate, using the medium of a water wheel or rotary.
Date: August 2, 1921
Creator: Hargis, Lawrence H.
Item Type: Refine your search to only Patent

Boll-Weevil Catcher

Description: Patent for a Boll-Weevil Catcher. This inventions allows for an attachment to cultivators to catch weevils existing on growing cotton plants. The weevils are extracted, captured in a pan, and can be disposed of. This is an important tool that catches and destroys insects without damaging the plants.
Date: August 2, 1921
Creator: Hitt, Reed R.
Item Type: Refine your search to only Patent

Street-Directory.

Description: Patent for business guide and street directory to help identify locations of business houses, streets, and street numbers more quickly and effectively.
Date: August 2, 1921
Creator: Marshall, Fred N.
Item Type: Refine your search to only Patent

Brick-Kiln Construction

Description: Patent for Brick Kiln Construction. The particular innovation enables bricks and tiles to be manufactured, burned, and dried in one building. This helps in saving fuel, using the fuel economically, and reducing the time needed for the burning of bricks.
Date: August 2, 1921
Creator: Pokorny, James T.
Item Type: Refine your search to only Patent

Apparatus for Separating Substances of Different Dielectric Capacities.

Description: Patent for an apparatus for separating substances of different dielectric capacities; the objective of this invention is to provide means for the material to be separated into its component particles for the purpose of producing material of dielectric hysteric impedance and collecting the separated particles according to the difference in time that the particles maintain their polarity due to the impedance generated from them.
Date: August 2, 1921
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Item Type: Refine your search to only Patent

Door Attachment.

Description: Patent for a weather strip attachment for doors which would automatically extend from the bottom of the door to the floor when the door is in the closed position and retract to the bottom edge of the door when the door is opened.
Date: August 2, 1921
Creator: Swenson, Frank O.
Item Type: Refine your search to only Patent

Tool-Joint

Description: Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
Item Type: Refine your search to only Patent
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