UNT Libraries Government Documents Department - 46 Matching Results

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Core-Taking Device

Description: Patent for improvements to a core-taking device which will "form a core, in the process of drilling, and embodies means for severing the core, when formed, and retaining the same in the core barrel until, it is withdrawn for inspection" (lines 13-17), including illustrations.
Date: June 20, 1922
Creator: Christian, Walton G.
Item Type: Refine your search to only Patent

Combined Adding and Listing Machine.

Description: Patent for new improvements on combined adding and listing machines simplifying and economizing construction and facilitating, "rapidity of operation" (lines14-15). Improvements include: "causing the keys to act directly as stops for the adding wheel section; to provide novel accumulator mechanism...[with] a novel actuator; to provide a novel construction or sector-control bar; to provide a novel key-bar for operating...; to provide novel means for restoring the accumulator to normal; to provid… more
Date: April 20, 1920
Creator: McCaleb, Walter F.
Item Type: Refine your search to only Patent

Adjustable Footrest.

Description: Patent for an improved, adjustable foot rest that allows for more adjustments and range of motion "to any desired position for the comfort of the user" (lines 13-14), and is secured to the floor.
Date: April 20, 1920
Creator: Kingsford, Walter E.
Item Type: Refine your search to only Patent

Antifreezing Appliance for Water-Pipes.

Description: Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
Item Type: Refine your search to only Patent

Attachment for Rotaries.

Description: Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Date: July 20, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent

Spring Wheel.

Description: Patent for new and useful improvements in spring wheels sufficient to enable it to successfully stand up under the shocks and jars to which such wheels are ordinarily subjected, while at the same time having all the wearing qualities and resiliency of the pneumatic tire.
Date: May 20, 1920
Creator: Atkinson, George C.
Item Type: Refine your search to only Patent

Cotton-Harvester

Description: Patent for Patent for a cotton harvester machine which can collect rows of cotton crops using a scoop and exhaust fan, while also able to remove boll weevils, and cotton from bolls which are unopened.
Date: December 20, 1921
Creator: Cannon, Burrell
Item Type: Refine your search to only Patent

Fishhook.

Description: Patent for a fishhook that allows for a swiveling motion that does not interfere with the connection to the fishing line.
Date: December 20, 1921
Creator: King, James Manning
Item Type: Refine your search to only Patent

Motormeter-Anchor.

Description: Patent for a new Motormeter-Anchor: a device that will "provide a means whereby a motormeter can be anchored securely to the radiator of an automobile, thus making theft of same impossible, or difficult that it will not be attempted" (lines 8-12).
Date: September 20, 1921
Creator: Ashton, William James
Item Type: Refine your search to only Patent

Window-Screen.

Description: Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
Item Type: Refine your search to only Patent

Price-Tag.

Description: Patent for an improved price tag that includes not only the price information, but also "at a glance a stock record and a cost record and provides space for making notations and writing other information" (lines 13-16) for the use of a store clerk's reference.
Date: April 20, 1920
Creator: Bedinger, Singleton B.
Item Type: Refine your search to only Patent

Pump

Description: Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date: March 20, 1920
Creator: Hunt, David
Item Type: Refine your search to only Patent
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