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Box for Washing Gravel, &c.

Description: Patent for washing gravel and other material for making concrete.
Date: February 28, 1888
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department

Magnetic Separator

Description: Patent for a magnetic separator for use in cotton and grain milling that removes all magnetic particles from the product.
Date: January 28, 1913
Creator: Preslar, John C.
Partner: UNT Libraries Government Documents Department

Tub Holder

Description: Patent for improvements made to tub holders, primarily to suit tubs of various sizes for heating water. Purposes for holding tubs include boiling water for clothes and food. The improvements focus on support of the tubs, and allow for rotation of tubs with ease and efficiency.
Date: April 28, 1914
Creator: Dullnig, Adolph Cleveland
Partner: UNT Libraries Government Documents Department

Improvement in Fences.

Description: Patent for improvements in fences: "simple and cheap construction, strong, and durable" (lines 21-22).
Date: August 28, 1866
Creator: Seabaugh, Conrad
Partner: UNT Libraries Government Documents Department

Trailer.

Description: Patent for "...an improved construction and arrangement of trailers and has for an object that provision of means which will allow as easy turning movement where a number of trailers are connected while admitting of strain between the various trailers, whereby they are propelled properly around a curve." (lines 5-15) including illustrations.
Date: August 28, 1917
Creator: Watkins, Leigh
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for the Manufacture of Ice.

Description: Patent for a refrigeration apparatus "in which a continuous operation is maintained by means of a current of ether or other volatile fluid which liquefies at a low temperature." (Lines 18-21) Includes instructions and illustrations.
Date: November 28, 1871
Creator: Mühl, A.
Partner: UNT Libraries Government Documents Department

Throttle for Gasolene Engines.

Description: Patent for throttling the gasoline supply of a motor which is particularly adapted for connection with automobiles or vehicles.
Date: March 28, 1916
Creator: Cardwell, Marshal C.
Partner: UNT Libraries Government Documents Department

Tire Inflating Pump

Description: Patent for improvements for Tire-Inflating Pumps, mainly those adapted for automobiles, including illustrations.
Date: March 28, 1914
Creator: Jobes, William S.
Partner: UNT Libraries Government Documents Department

Mail Bag Catching and Delivering Device

Description: Patent for a device that will quickly exchange mail bags between a moving train and a station.
Date: November 28, 1916
Creator: Becker, Martin
Partner: UNT Libraries Government Documents Department

Nut Removing Device

Description: Patent for a nut removing device. This device is designed for the removing of lug nuts from vehicle wheels. Illustration included.
Date: January 28, 1913
Creator: Easley, Thomas L.
Partner: UNT Libraries Government Documents Department

Bar Bending Appliance

Description: Patent for a bar bending appliance.
Date: November 28, 1916
Creator: Jameton, Adrian O.
Partner: UNT Libraries Government Documents Department

Insect Destroying Apparatus.

Description: Patent for a new and improved ant trap. This design "relates to apparatus . . . in which a vessel having an open bottom, but closed top and sides, and containing a furnace for burning obnoxious substances, is projected into or made to form a close joint with the ground, and which has a fan or pump combined with it that causes the fumes from the furnace to enter the ant-holes in the ground. [They] have been . . . attended with so many disadvantages . . . [t]he object of [the] invention is to rem… more
Date: August 28, 1883
Creator: Matthews, James M.
Partner: UNT Libraries Government Documents Department

Dry-Earth Closet

Description: Patent for "a commode which may be placed in a bed-room or other suitable place in a house without .danger to occupants on account of disease which would be superinduced by the presence of impure odors, as would be the case where an ordinary receptacle is used" and where the solid and liquid waste would be separated (lines 26-36).
Date: January 28, 1890
Creator: Carrico, Thomas A.
Partner: UNT Libraries Government Documents Department

Secondary Battery.

Description: Patent for a type of storage battery that is "simple in construction, light in weight, durable in operation, and not liable to injury or deterioration", and that can be charged easily multiple times, Patent includes instructions and an illustration.
Date: March 28, 1916
Creator: Luthy, Joseph O.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the axle having the landside-wheel and the larger inclined furrow-wheel, of the tongue, the vertical bars secured to the under side of the tongue, the lower ends of the bars being clipped to the axle and adjustable laterally thereon, the curved brace clipped at its ends to the axle and between its ends to the lower ends of the bars, and the plow and its operating lever" (lines 73-82).
Date: June 28, 1887
Creator: Locke, William J.
Partner: UNT Libraries Government Documents Department

Double Rotary Force Pump

Description: Patent for double rotary force pump. Illustration included.
Date: March 28, 1905
Creator: Rotary, Julius R.
Partner: UNT Libraries Government Documents Department

Street-Traffic Signal

Description: Patent for a street traffic signal that can be operated from either the center of the intersection, or the curb.
Date: September 28, 1920
Creator: Miller, Thomas O.
Partner: UNT Libraries Government Documents Department

Drilling Tool for Wells.

Description: Patent for a new and improved drilling tool for wells. This design "relates to tools for drilling or boring Artesian, oil, and other deep wells; and it has for its object to prevent the loss of drill or auger or any portion of the drill-rods. With this end in view the invention consists in the improved means for connecting the tool to the lower end of the drill-rod" (lines 9-15).
Date: May 28, 1889
Creator: McLane, Hiram H.
Partner: UNT Libraries Government Documents Department

Fan Spring-Motor

Description: Patent for a portable fan spring motor.
Date: January 28, 1913
Creator: Von Hohenstein, Charles H.
Partner: UNT Libraries Government Documents Department

Food Compound and Method of Making Same.

Description: Patent for a new and useful food compound for use in cooking as condiments.
Date: June 28, 1898
Creator: Gebhardt, William
Partner: UNT Libraries Government Documents Department

Fireproof System

Description: Patent for a fireproof construction system for buildings. Illustrations included.
Date: February 28, 1911
Creator: Morey, Jay & Magruder, Paul K.
Partner: UNT Libraries Government Documents Department

Biplane

Description: Patent for a biplane design that has improved lift, steering, stability, and landing, including illustrations.
Date: July 28, 1914
Creator: Herrmann, Ernst W. F.
Partner: UNT Libraries Government Documents Department

Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Partner: UNT Libraries Government Documents Department

Railway Switch.

Description: Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date: February 28, 1922
Creator: Arteaga, Ignacio
Partner: UNT Libraries Government Documents Department
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