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Rotary Engine.

Description: Patent for a new and improved rotary engine, including instructions and illustrations.
Date: October 10, 1899
Creator: James, William Francis
Partner: UNT Libraries Government Documents Department

Improvement in Processes of Preserving Meats.

Description: Patent for a method of preserving and canning meat. This describes the inventor's process, as well as his method of reducing air inside the container using hypophosphite of lime.
Date: January 11, 1876
Creator: Stevens, Hennell
Partner: UNT Libraries Government Documents Department

Improvement in Car-Axle Bearings.

Description: Patent for improvement in car-axle bearings in which "it consists in a box having a chambered back for containing oil, and having grooves along the straight edges of its bearing-surface for receiving a wick, the ends of which extend through holes in the box into the oil reservoir.”
Date: December 3, 1878
Creator: Stratton, Asa E., Jr.
Partner: UNT Libraries Government Documents Department

Improvement in Propelling Vessels.

Description: Patent for a hydraulic propeller that uses a current of water and steam power, including illustrations.
Date: August 26, 1846
Creator: Fulton, George W.
Partner: UNT Libraries Government Documents Department

Flour Sifter and Mixer.

Description: Patent for a "simply constructed" (line 11-12) flour sifter and mixer wherein the flour can be "thoroughly mixed without removal of the sifter" (line 12-13) including an illustration.
Date: July 15, 1913
Creator: Newcomer, Stella B. S.
Partner: UNT Libraries Government Documents Department

Design for a Clothes-Pounder.

Description: Design patent for a clothes-pounder that consists of a hollow conical body provided at an immediate point with a downwardly-dished diaphragm.
Date: September 27, 1898
Creator: Crooker, Heman D.
Partner: UNT Libraries Government Documents Department

Device for Distributing Insect Powder.

Description: Patent for a new and improved bug sprayer. This design consists in "the combination of the body of the bellows and the perforate wall or sieve arranged longitudinally therein, dividing the bellows into two compartments, with a nozzle or an air-outlet communicating with one compartment, whereby material placed in the other compartment on the opposite side of the sieve is agitated by the operation of the bellows and delivered to the air-blast in a comminuted state" (lines 25-35).
Date: December 24, 1889
Creator: Hogarth, William H. J.
Partner: UNT Libraries Government Documents Department

Improvement in Vehicle Axle-Lubricators

Description: Patent for improvements to the design of axle lubricators, in which the oil reservoir is in the rear as opposed to the front.
Date: October 14, 1879
Creator: Hinkle, James V.
Partner: UNT Libraries Government Documents Department

Design for Sugar Cane Hook.

Description: Patent for a sugar cane hook that provides a pair of outwardly-branching and downwardly and inwardly curved hooks.
Date: July 27, 1897
Creator: Beall, George Ashcom
Partner: UNT Libraries Government Documents Department

Cotton Chopper

Description: Patent for cotton chopper. This invention is on a wheel mounted frame and is adjustable for cutting out sections at desired intervals. Illustration included.
Date: January 15, 1907
Creator: Walter, William Thomas
Partner: UNT Libraries Government Documents Department

Hoisting Drum

Description: Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
Partner: UNT Libraries Government Documents Department

Electro-Medical Belt

Description: Patent for "a suitable belt or other support carrying movable contact-plates, a galvanic battery, an induction-coil, connections between the battery and coil, and conductors connecting the secondary wire of the coil to the contact-plates through which the shock is to be conveyed, the contact-plates being provided with suitable binding-screws or other connectors, and also having suitable flaps or insulators for covering them when not in use" (lines 21-31).
Date: June 18, 1889
Creator: Shelton, William J.
Partner: UNT Libraries Government Documents Department

Electro Medical Belt.

Description: Patent for a new and improved electro-medical belt. This design "consists in a belt or support constructed of multiple-ply electro-conductive belting, which [the design] make[s] by inserting a conductor or conductors between the folds of a multiple-ply band with suitable contact-points at the surface, a sling supported by and movable on the belt for carrying the electric generator, also constructed of the electro-conductive belting, and having detachable connectors between its contact points an… more
Date: April 1, 1890
Creator: Shelton, William J.
Partner: UNT Libraries Government Documents Department

Sample-Taking Device

Description: Patent for a sample taking device "for use in preserving the log of the well in drilling operations in earth, rock or other similar formations." (lines 12-14). Specially adapted for use in drilling wells for oil and sulfur, specifically in the Gulf Coast region.
Date: December 9, 1919
Creator: Carmichael, Robert E. & Hamman, George
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for a rotary boring drill to be used in mining and drilling.
Date: March 4, 1919
Creator: Carmichael, R. E.
Partner: UNT Libraries Government Documents Department

Sash-Fastener

Description: Patent for improving the design so that when it is closed it forms loops for holding the window's curtains, while also being inexpensive and strong.
Date: May 7, 1901
Creator: Durant, George W.
Partner: UNT Libraries Government Documents Department

Canal or Ditch Digging Machine.

Description: Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle.
Date: August 20, 1895
Creator: Hoefs, Otto
Partner: UNT Libraries Government Documents Department

Breakwater.

Description: Patent for improving seawalls to "preserve channels across the bars at the mouths of rivers, creeks, or canals and between bays and gulfs" (lines 6-8), including illustration.
Date: June 7, 1859
Creator: Armour, D. Hillen
Partner: UNT Libraries Government Documents Department

Breakwater.

Description: Patent for a new and improved breakwater. This design "furnish[es] breakwaters for protecting harbors and roadsteads, and keeping open channels through bars at the entrances of harbors, the mouths of rivers, and in other places, and which shall not be liable to be destroyed by the marine worm" (lines 13-19).
Date: August 9, 1881
Creator: Follett, Alexander Glass
Partner: UNT Libraries Government Documents Department

Coffee-Pot

Description: Patent for a simplified coffee pot that extracts coffee by using boiling water and the receptacle without changing the structure of the device.
Date: July 4, 1905
Creator: Haley, William L.
Partner: UNT Libraries Government Documents Department

Attachment for Ice-Boxes.

Description: Patent for an attachment for ice-boxes which is "a vessel for the reception of ice and having a surrounding series of compartments for the reception of the matter to be refrigerated" (lines 11-14).
Date: April 3, 1900
Creator: Moyes, Aceph B.
Partner: UNT Libraries Government Documents Department

Ditch-Filling Machine

Description: Patent for a Ditch-Filling Machine, focusing on improved operational efficiency and cost-effectiveness. The upgraded machine boasts user-friendly features, making it easily operable, while simultaneously reducing production costs in comparison to its predecessor.
Date: August 9, 1921
Creator: Witt, William C.
Partner: UNT Libraries Government Documents Department

Automatic-Cut-Off

Description: Patent for an automatic cut-off part for a steam inlet pipe.
Date: March 1, 1921
Creator: La Bauve, William H.
Partner: UNT Libraries Government Documents Department
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