UNT Libraries Government Documents Department - 25 Matching Results

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Electric Bath.

Description: Patent for an improved electric bath apparatus. Electrodes are immersed into the water which allows for passage of current throughout the body of water. Improvements provide shielding to the electrodes and clamps capable of attaching to bath tubs with irregular structure.
Date: August 1, 1916
Creator: Howard, Mentor
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Elevated Railway, &c

Description: Patent for improvements "to provide an improved track having provisions for readily tightening the track, each span or section being tightened by means of a single tightening device arranged, preferably. . . second, to provide an improved truck with guiding rollers or pulleys, the weight of the truck being carried upon yielding supports; third, a simple and improved swivel or turning device or connection between the car and track, whereby the turning of curves is more easily accomplished with a… more
Date: April 1, 1890
Creator: Turner, Ephraim M. & Taylor, James P.
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Guitar.

Description: Patent for certain new and useful improvements in stringed musical instruments, such as harp guitars, including instructions and illustrations.
Date: November 1, 1898
Creator: Ward, George Cooper
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Improvement in Hats

Description: Patent for "a new and improved ventilated hat...which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification" (lines 3-5). including instructions and an illustration.
Date: September 1, 1868
Creator: Watkins, M. S.
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Improvement in Smoothing and Fluting Irons.

Description: Patent for improvement in smoothing and fluting irons, which combines a sad-iron smoothing-plate and mechanical fluting iron in one device which includes a heat shield and rollers through which fabric is advanced. The rollers are mechanized via a latch and rack-wheel that are actuated by moving the handle of the device up and down.
Date: June 1, 1875
Creator: Mayfield, William Dudley
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Pencil-Lighting Attachment.

Description: Patent for improvement in pencil-lighting attachments. This is meant to combine an electric lamp with a pencil, pen, etc. within a mounted casing so that the surface being written on may be lighted.
Date: October 1, 1918
Creator: Bennett, Jerrell
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Powder-Ejector.

Description: Patent for a powder medicine ejector for discharging medicine into patients body cavities, which allows a dose of the medicine to be discharged from a larger quantity stored in the ejector.
Date: February 1, 1910
Creator: Kline, Charles W. & Long, Harley A.
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Pump

Description: Patent for a pump whereby for use with deep wells. Pump uses relate to oil, water, sand and other articles. Illustration included.
Date: January 1, 1907
Creator: Butler, Thomas
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Silo.

Description: Patent for a new, water-tight silo that can be easily assembled without skilled labor and can be set up anywhere, including illustrations.
Date: September 1, 1914
Creator: Brookshire, Samuel N.
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Tractor

Description: Patent for improvements to tractors which are designed with the driver's seat positioned on the trailing unit. The improvements allow for tools to be attached in such a way cultivating may be done near fences and other common obstructions.
Date: July 1, 1918
Creator: Chenoweth, William B.
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Valve-Motion.

Description: Patent for "a variable cut-off valve-motion, and has for its object to provide simple and efficient and at the same time readily adjustable means for varying the points at which the ports communicating with the cylinder of a locomotive or other engine are opened and closed, in accordance with the load, the desired speed, &c." (Lines 8-15) Includes instructions and illustrations.
Date: January 1, 1895
Creator: Shelb, Peter J.
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Walking-Cane.

Description: Patent for a walking cane which is made of two intertwined sections of spiral steel wires, which can be painted different colors creating a noticeable object that can be used by sports fans to show support for their team at games,
Date: February 1, 1910
Creator: Alverson, Lewis
Item Type: Refine your search to only Patent
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