UNT Libraries Government Documents Department - 33 Matching Results

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Calipers.

Description: Patent for calipers that make it easier to read measurements, by having a strip of measuring tape at the ends that allows users to determine the distance between the arms easier. The measuring tape component is also retractable.
Date: April 4, 1922
Creator: Miller, William James
Item Type: Refine your search to only Patent

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drilling, and embodies means for severing the core, when formed, and retaining the same in the core barrel until, it is withdrawn for inspection" (lines 13-17), including illustrations.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

Drill Bit

Description: Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
Item Type: Refine your search to only Patent

Hoisting Drum

Description: Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
Item Type: Refine your search to only Patent

Lubricating Oil Dispenser

Description: Patent for a lubricating oil dispenser designed specifically to dispense lubricants and similar liquids. Dispenser is formed with a transparent container tubes to show the customer the character of the liquid being dispensed.
Date: May 30, 1922
Creator: Fenaes, Alfred R. & Kennedy, William H.
Item Type: Refine your search to only Patent

Mold.

Description: Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
Date: January 24, 1922
Creator: Miller, Ose Z.
Item Type: Refine your search to only Patent

Mop

Description: Patent for "a simple and durable construction of mop in which the fibre holding element consists of strands of twisted wire" (lines 9-11) designed such that the mop maintains its shape with or without the handle, including illustrations.
Date: June 20, 1922
Creator: Welch, James. S.
Item Type: Refine your search to only Patent

Park Place Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1922
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.69 -95.31

Photoprinter.

Description: Patent for a photograph printer that includes a mask mechanism to create prints of different sizes. Construction is such that the person using the printer can work the printer accurately and quickly complete work.
Date: April 11, 1922
Creator: Lockhart, William E.
Item Type: Refine your search to only Patent

Pneumatic Disk Gin.

Description: Patent for an improved version of a pneumatic disk gin. It has been designed for "ginning fibrous material, such as seed cotton" (lines 13-14) and improves the separation of the cotton and the seeds with the use of its perforated disks.
Date: February 14, 1922
Creator: Garner, James C.
Item Type: Refine your search to only Patent
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