639 Matching Results

Search Results

Vending-Machine

Description: Patent for a vending machine designed to dispense liquids, including illustrations.
Date: August 14, 1917
Creator: Elder, Thomas Jefferson
Partner: UNT Libraries Government Documents Department

Transmission-Gearing.

Description: Patent for a transmission gearing that prevents the gears from slipping loose.
Date: March 14, 1911
Creator: Blevins, Samuel W.
Partner: UNT Libraries Government Documents Department

Tree and Brush Cutter.

Description: Patent for a motorized tree and brush cutter that is portable.
Date: February 14, 1911
Creator: Andrews, Robert Lyle
Partner: UNT Libraries Government Documents Department

Ventilating Apparatus

Description: Patent for a ventilation apparatus that prevents the accumulation of dust in the interior of passenger coaches on railway-trains, while also cooling the coach.
Date: March 14, 1901
Creator: Reynolds, William H. B.
Partner: UNT Libraries Government Documents Department

Ticket-Holder.

Description: Patent for device to hold car tickets, and to administer these tickets one at a time.
Date: April 14, 1914
Creator: Wohl, Charles J.
Partner: UNT Libraries Government Documents Department

Knockdown Frame

Description: Patent for improvements to the knockdown frame for easy setup and take down and for supporting a block and tackle. This invention also provides a device for locking the fall rope of a block and tackle after the load is raised.
Date: July 14, 1914
Creator: Padgett, Harry H. & Bookout, Louis L.
Partner: UNT Libraries Government Documents Department

Method of Raising Fluids from Artesian Wells

Description: Patent for a method of using compressed air to retrieve contents of bored wells.
Date: April 14, 1914
Creator: Brown, Frank O.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers.

Description: Patent for "an improved machine for scraping, chopping, and cultivating corn and cotton" (lines 10-12) with illustrations and instructions.
Date: November 14, 1876
Creator: McCormick, John R.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Bale Ties

Description: Patent for an improvement in cotton-bale ties which consists of the construction of the loop-plate.
Date: May 14, 1872
Creator: Franklin, Edward A.
Partner: UNT Libraries Government Documents Department

Improvement in Compounds for Destroying Caterpillars.

Description: Patent for an insecticide compound that combines Paris green, flour, and lime, which allows the poison, arsenic, to better adhere to cotton plants. Includes instructions.
Date: January 14, 1873
Creator: Whisenant, Green F.
Partner: UNT Libraries Government Documents Department

Improvement in Hay and Cotton Presses.

Description: Patent for an improvement of a baling press where the upright framing timbers allows any quantity of cotton to be placed in the bale and creates a uniformity of weight.
Date: October 14, 1873
Creator: Müller, Joseph
Partner: UNT Libraries Government Documents Department

Improvement in Policemen's Batons.

Description: Patent for an improved policemen's baton made of flexible material, such as india-rubber or gutta-percha, and sometimes an interior metal stem. Using a flexible material makes the baton elastic enough so that no serious injury can be caused, yet it is still effective. Illustration included.
Date: October 14, 1873
Creator: Beery, Simon & McDonald, John W.
Partner: UNT Libraries Government Documents Department

Improvement in Animal-Traps

Description: Patent for "traps for catching large and small animals; and it consists in the combination of a number of inclined plates or boards, provided with spurs on their lower ends and hinged to fixed ridges on their upper ends, so arranged as to form ridges or elevations and depressions, and to entrap the animals by holding their legs between the spurred ends of said inclined plates" (lines 15-23).
Date: April 14, 1874
Creator: Flournoy, Rice Smith
Partner: UNT Libraries Government Documents Department

Improvement in Combined Ventilators and Chimneys

Description: Patent for improvement in Combined Ventilators and Chimneys. This object is to be used with the brick chimney on top of the roof to provide air circulation. It consists of an iron-lined inner flue secured within an outer casing with suitable bottom and top perforation for establishing air current around the flue.
Date: July 14, 1874
Creator: Hickley, Walter R & Dibrell, Charles J
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for a new and improved bale-tie design with different buckle and band. It includes illustrations.
Date: January 14, 1879
Creator: Johnson, Jordan
Partner: UNT Libraries Government Documents Department

Improvement in Plates for Holding Screw-Cutting Dies.

Description: Patent for plates to hold screw-cutting dies, which allows the threads to be more accurately placed. Dies are also able to work for left handed dies as well as right handed dies.
Date: October 14, 1879
Creator: Geiser, Johan G.
Partner: UNT Libraries Government Documents Department

Improvement in Hand Cotton Pickers.

Description: Patent for a new method of picking cotton by hand, whereby 3 spindles remove the fibers from the bolls.
Date: October 14, 1879
Creator: Ham, Thomas William
Partner: UNT Libraries Government Documents Department

Millstone-Drivers

Description: Patent for improvements in Millstone-drivers
Date: October 14, 1879
Creator: Cathart, Rodney C.
Partner: UNT Libraries Government Documents Department

Mode of Straining Saws by Atmospheric Pressure.

Description: Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date: August 14, 1855
Creator: Brown, A. & Coffin, Abel, Jr.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a burner that uses crude petroleum as well as kerosene, or gasoline. This device works in a way to prevent the jets from clogging and produces a steady flame.
Date: May 14, 1902
Creator: Wadkins, George
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for a hydrocarbon burner for home use, which has a steam generator which operates automatically.
Date: January 14, 1908
Creator: Hoffman, Robert V.
Partner: UNT Libraries Government Documents Department

Hub Wrench

Description: Patent for a hub wrench. Illustration included.
Date: March 14, 1905
Creator: Hicks, Rufus Lee
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for a hydrocarbon burner that has its oil atomized by a steam generator.
Date: March 14, 1911
Creator: Mills, Virgil H. & Mills, John H. T.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for a hydrocarbon burner that has plurality of nozzles from which hydrocarbon is discharged by steam pressure to collide at common point before combustion.
Date: October 14, 1913
Creator: Wall, William T.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen