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Oil-Converting Apparatus.

Description: Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper, which can operate in uneven soil and attaches to a cultivator.
Date: July 28, 1908
Creator: Allen, John W.
Partner: UNT Libraries Government Documents Department

Brake Mechanism For Hand Cars

Description: Patent for a brake mechanism for rail hand cars.Illustration included.
Date: August 28, 1906
Creator: Allison, Andrew J.
Partner: UNT Libraries Government Documents Department

Sewing-Awl.

Description: Patent for an improvement upon the sewing awl that is designed to work well with leather workers. The sewing awl is made to be "adaptable to work with a break or tension device, capable of restraining a thread holding spool against free rotation to prevent excessive undesirable slack or looseness of the thread" (lines 15-19) as illustrated and described.
Date: November 28, 1911
Creator: Alten, George Philip
Partner: UNT Libraries Government Documents Department

Bottle-Vent

Description: Patent for "an open-sided vent-passage at the neck of the bottle, thus permitting the formation thereof at the time the bottle is blown and rendering the construction more simple and economically produced" (lines 16-20).
Date: May 28, 1901
Creator: Anderson, Lee
Partner: UNT Libraries Government Documents Department

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.
Partner: UNT Libraries Government Documents Department

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Fire Alarm

Description: Patent for a fire alarm. Illustration included.
Date: December 28, 1909
Creator: Andrews, Bolivar C.
Partner: UNT Libraries Government Documents Department

Coffee and Spice Mill.

Description: Patent for a new and improved mill for coffee and spices. This design "consists in constructing a coffee and spice mill with a hopper having arms for attaching the mill to a wall and for supporting the gear-wheel formed upon it, an inner cone-burr formed solid with the hopper, an outer shell-burr suspended from and swiveled to the inner burr by a cross-bar, rod, and hand-nut, and the gear-wheels and crank for rotating the outer-burr" (lines 22-30).
Date: March 28, 1882
Creator: Andrews, Thomas A.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and useful improvement in monkey-wrenches to "provide an improved construction of the same whereby the clamping-jaws may be quickly and readily adjusted to the nut or tap which is to be engaged thereby" (line 19-23).
Date: December 28, 1897
Creator: Antony, Edwin Le Roy
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for a tool to stretch telephone wire, barb wire, and wire fencing. The tool connects to and holds in place a wire using a lock. While locked in place, the wire is stretched without the need of chains.
Date: April 28, 1914
Creator: Armstrong, Henry H. & Armstrong, H. H.
Partner: UNT Libraries Government Documents Department

Corn and Cotton Planter.

Description: Patent for a new and improved planter. This design, when used "as a corn-planter the slotted plate upon the inclined portion of the bottom is adjusted to cover the entire slot, and the pitman is attached to the pin projecting from the bar operating the seed slide, and when the machine is to be used as a cotton-planter the pitman is attached to the crank at the side of the seed-box, and the plate in the bottom of the box is adjusted so as to give the slot sufficient width to allow the cotton-see… more
Date: December 28, 1886
Creator: Armstrong, John J. & Lowrey, Andrew S.
Partner: UNT Libraries Government Documents Department

Two-Piece Box.

Description: Patent for certain new and useful improvements in two piece boxes, including instructions and illustrations.
Date: November 28, 1899
Creator: Armstrong, Martin
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for an improved bale-tie which is to be used especially with cotton, includes instructions and illustration.
Date: May 28, 1878
Creator: Arnold, Lloyd
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

Cultivator.

Description: Patent for a cultivator that has its frame and attachments are mounted on carrying-wheels, and the plows depend on the wheels. It is operated more easily than other cultivators.
Date: May 28, 1895
Creator: Aubrey, Henry W.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for improvements in gates, including illustrations.
Date: October 28, 1890
Creator: Austin, Thomas J.
Partner: UNT Libraries Government Documents Department

Attachment for Cabinets.

Description: Patent for Attachment for Cabinets. An adjustable bracket that attaches to various pieces of cabinetry or furniture for supporting water basins for easy reach.
Date: October 28, 1913
Creator: Austin, W. E.
Partner: UNT Libraries Government Documents Department

Knife

Description: Patent for a knife used for cutting grass and shrubbery. Illustrations included.
Date: May 28, 1907
Creator: Baggett, Robert A.
Partner: UNT Libraries Government Documents Department

Water Heater for Washing Machines.

Description: Patent for a new and improved water heater for washing machines. This design "relates to that class of washing-machines in which a rotary slatted cylinder for holding the clothes and a coil of pipe for supplying the drum with hot water are employed; and it consists in certain improvements in the construction and arrangement of the heater and pipes for conveying water to and discharging it from the drum" (lines 14-21).
Date: June 28, 1881
Creator: Bailey, Charles F. & Perrenot, George F.
Partner: UNT Libraries Government Documents Department
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