UNT Libraries Government Documents Department - 546 Matching Results

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Combination Well-Packer and Setting-Tool.

Description: Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.
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Trombone.

Description: Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Item Type: Refine your search to only Patent

Standing Valve

Description: Patent for a Standing Valve. This standing valve is designed to improve the way the fluids pump through oil and water wells. it also includes an improvement in the way the standing valve is secured to the wells. The new valve can also be easily replaced because of the materials it is composed of.
Date: September 21, 1920
Creator: Adams, Thomas M.
Item Type: Refine your search to only Patent

Can-Opener.

Description: Patent for new and useful improvements for can openers. The principal purpose is to provide means for opening round cans of different sizes and also square cans.
Date: November 16, 1920
Creator: Adels, Rebecca Valencia.
Item Type: Refine your search to only Patent

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.
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Vehicle-Wheel

Description: Patent for improvements in tires, specifically a system that assists with weight distribution and adjustments to road surface conditions.
Date: May 18, 1920
Creator: Allan, William N.
Item Type: Refine your search to only Patent

Overflow Separating Device.

Description: Patent for an invention that allows for the separation of materials, such as fluid, between two objects, one of higher altitude than the other, with minimal disruption at the surface of the lower object.
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Slime-Pulp Thickener

Description: Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date: August 17, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Thickener and Means for Removing Settled Solids Therefrom.

Description: Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Thickener (Sewage Type).

Description: Patent for sewage thickener that relies on sewage solids to sink to the bottom of the sewer and fall into the thickener, in which the thickener will press the solid sewage into a pulp. The pulp will be pressed at a predetermined density, and then the pressed pulp will float to the top of the sewage to be removed. The separation of liquid and solid sewage was predicted to prevent overflow.
Date: March 11, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Vehicle-Wheel

Description: Patent for a Vehicle-Wheel. This patent is an improvement over the other patents that this inventor submitted before. It will improve and strengthen the wheel by replacing rivets and bots, and instead use clips and springs.
Date: May 18, 1920
Creator: Allen, William N.
Item Type: Refine your search to only Patent

Sawing Machine

Description: Patent for a wood sawing machine which allows for a portable wood sawing apparatus. The device is capable of adjusting the saw to create a feed, and allows for cutting diagonally, horizontally, or vertically.
Date: December 14, 1920
Creator: Arnold, James A.
Item Type: Refine your search to only Patent

Hame-Fastener.

Description: Patent for a new and useful improvement to an invention known as the hame fastener. Its purpose is to adjust and make a tight or loose connection between the hame and a desired object.
Date: November 2, 1920
Creator: Arnold, Thomas J.
Item Type: Refine your search to only Patent
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