UNT Libraries Government Documents Department - 68 Matching Results

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Electric Water Heater

Description: Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
Date: February 7, 1922
Creator: Stephens, Richard M.
Item Type: Refine your search to only Patent

Hosiery Spat.

Description: Patent for hosiery spat that provides feet and ankle "protection when fancy 'open work' or thin hosiery is worn." (lines 15-16) including illustrations.
Date: November 7, 1922
Creator: von S.S. Blum, Elisa
Item Type: Refine your search to only Patent

Fish-Catching Device

Description: Patent for an improvement in fish-catching devices which provides a bait-holding device in a horizontal position and the ability to completely conceal the fish-catching device within the bait, including illustrations.
Date: February 7, 1922
Creator: Riza, George P.
Item Type: Refine your search to only Patent

Shank-Stiffener and Heel-Plate for Shoes.

Description: Patent for "shank stiffener and heel securing plate for use in the manufacture of shoes or in the repair work" (lines 25-27) to prevent or repair buckling, loosening, and breaking of heels due to shanks of soles being made from "leather, compressed paper, or steel" (lines 18-19) which historically have not been able to support the heel of the shoe.
Date: May 7, 1918
Creator: Cobler, Lee Ora
Item Type: Refine your search to only Patent

Joint for Metallic Structures.

Description: Patent for a foldable joint for use in metallic structures that is able to "form a connection between one member and a member normally disposed at right angles thereto but adapted to be turned down into parallel relation to the first named member." (lines 13-18)
Date: September 7, 1920
Creator: Rece, Frank S.
Item Type: Refine your search to only Patent

Draft-Equalizer.

Description: Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: October 7, 1919
Creator: Dudley, Thomas J. & Bryant, Marvin H.
Item Type: Refine your search to only Patent

Fuel Vaporizer for Carburetors.

Description: Patent for "an improvement in fuel heaters or vaporizers for use with carburetors for hydrocarbon fuel engines" (lines 9-12). The device "can therefore utilize those hydrocarbons of specific gravity much higher than gasoline, as fuel for internal combustion engines, with safety and with more economy than has heretofore been deemed possible." (lines 106-111).
Date: February 7, 1922
Creator: Smith, Maurice O.
Item Type: Refine your search to only Patent

Aeroplane

Description: Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank
Item Type: Refine your search to only Patent

Automatic Service-Switch.

Description: Patent for a new automatic service switch "which will be entirely concealed within a casing ordinarily kept locked, thus preventing any unauthorized parties from endangering themselves by tampering with the switch, and furthermore impeding any attempt to defraud the company furnishing the current by rendering the switch difficult to access." (lines 35-42) including instructions and illustrations.
Date: April 7, 1914
Creator: Wetter, Ralph E.
Item Type: Refine your search to only Patent

Meter-Box.

Description: Patent for improvements in Meter-Boxes which can be buried in conjunction with underground mains, resisting vertical displacement. The patent also applies to a novel locking mechanism and construction which is light, strong, and durable.
Date: April 7, 1914
Creator: Rynearson, Eugene
Item Type: Refine your search to only Patent

Bailing-Press

Description: Patent for improvements in bailing presses, for baling cotton and other materials and substances. Baling press have strong and durable organization devices and mechanisms for feeding and pressing cotton.
Date: October 7, 1913
Creator: Murray, Stephen D.
Item Type: Refine your search to only Patent

Combined Plow and Cultivator.

Description: Patent for combined plow and cultivator "to provide a manually operated mechanism by which the front and rear plows may be simultaneously adjusted up or down, and held in any position of such adjustment" (lines 11-15).
Date: October 7, 1913
Creator: Womble, Corneilous E. & Martin, Henry G.
Item Type: Refine your search to only Patent

Gin Brush

Description: Patent for gin-brush relating to the speed and convenience in removing and replacement of rotatable brushes for cotton gins.
Date: August 7, 1917
Creator: Murray, Stephan D.
Item Type: Refine your search to only Patent

Street-Indicator for Electric Cars.

Description: Patent for improvements in street indicating device for electric cars by informing the driver which street is, as the car approaches the streets. The device can be mount within a car and once it is installed, it is completely automatic. Illustration is included.
Date: October 7, 1913
Creator: Morton, James E.
Item Type: Refine your search to only Patent
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