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Still.

Description: Patent for a still designed to refine crude petroleum and extract lighter elements, including illustrations.
Date: February 11, 1919
Creator: Gallsworthy, Benjamin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washboiler

Description: Patent for improved Washboilers. The improvements provides a more efficient circulation of water to insure the proper cleaning of fabrics and prevent damage of the fabric.
Date: February 22, 1921
Creator: Patterson, Thomas Allison.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Surface-Treating Machine

Description: Patent for useful improvements to surface-treating machines with a "rapidly moving surface treating member," (lines 12-13) including illustrations.
Date: February 7, 1920
Creator: Clarke, Alex A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Underreamer.

Description: Patent for a strengthened and improved underreamer for more effective well drilling.
Date: February 15, 1921
Creator: Montgomery, Gustavus A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut lock, with which a nut can be locked on a threaded bolt or stud to prevent moving the bolt or stud. It can also be detached without damaging the the nut, bolt, or thread.
Date: February 12, 1918
Creator: Capron, George F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hose-Coupling

Description: Patent for improved and useful additions to the hose coupling machine, including illustration and instructions
Date: February 15, 1916
Creator: Stephens, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Handle-Fastener

Description: Patent for handle fastener for tools such as screwdrivers, chisels, and augers. Illustrations included.
Date: February 4, 1913
Creator: McMillan, Eugene C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Paper Ruling Machine

Description: Patent for "new and useful Improvements in Ruling-Machine, to provide a simple and efficient machine with a series of pens that draw across sheets of paper carried by a suitable support" (lines 5-11).
Date: February 26, 1901
Creator: Wilmans, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for ratcheting wrench
Date: February 13, 1917
Creator: Furgerson, Jesse S.; Davis, George W. & Furgerson, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for improvements to pipe-cutters that can cut pipes of different sizes.
Date: February 19, 1918
Creator: Hime, Clint T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Quilting-Frame for Sewing-Machines.

Description: Patent for a quilting frame for sewing machines in which the frame would support the quilt in desired position, the frame is designed to move freely in any direction so that any pattern can be quilted on the article held by the frame. This frame can be easily adapted to the feed of any sewing machine. Illustration is included.
Date: February 24, 1891
Creator: Touchstone, James N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway-Brake Hanger

Description: Patent for "improvements to Railway-Break Hanger;...will enable others skilled in the art to which it appertains to make and use the same"(lines 6, 9-11).
Date: February 26, 1901
Creator: Saling, Thomas W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pot-Rack.

Description: Patent for a pot-rack which can hold a scalding-crate, cooking-pan, or canning-machine in a boiler at any depth of one's choice, including illustrations. The pot-rack is simple in design, durable, and inexpensively manufactured.
Date: February 13, 1906
Creator: Cloninger, Ellie B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail Joint

Description: Patent for stronger design of rail joints for laying train tracks. Includes illustrations and instructions.
Date: February 15, 1916
Creator: Stephenson, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe and Like Stem.

Description: Patent for improved smoking equipment stems which prevents saliva from running down the stem. The end of the stem has a new design which extends upwards and then wraps forward and downward, leaving a slot where no saliva can enter.
Date: February 22, 1921
Creator: Crossman, Alvin Amos
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow Frame

Description: Patent for a plow frame "to which may be attached plow bottoms or cultivator beams" (lines 11-12).
Date: February 20, 1912
Creator: Brown, Bartley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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