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Improvement in Fences.

Patent for improvement in iron fences by using rails and bars to support the braced posts. All the parts are easily taken apart, this flexibility allows the fence to be set on uneven as well as on level ground. Illustration is included.

Date: July 23, 1872

Creator: Lerick, Isaac N.

Partner: UNT Libraries Government Documents Department

Improvement in Lever-Powers.

Patent for a lever-power which applies "the power and resistance to the lever, so that they will change positions with relation to the fulcrum as the power end of the lever descends" (para. 2). The relation of the lever with the fulcrum is flexible, and allows for increased leverage.

Date: September 23, 1879

Creator: Franklin, Mathew Calhoun

Partner: UNT Libraries Government Documents Department

Improvement in Molds for Sewer-Building.

Patent for a collapsible mold on wheels, allowing a sewer to "be built in sections around the mold and the mold moved along the trench as sections are completed" (lines 13-16) including illustrations.

Date: December 23, 1879

Creator: Burns, James

Partner: UNT Libraries Government Documents Department

Improvement in Devices for Transmitting Rotary Motion.

Patent for an improvement to devices that transmit rotary motion from one shaft to another. It is comprised of a wheel on a rotary shaft that has has a groove that grips an angular nut mounted on a shaft.

Date: December 23, 1879

Creator: Howe, Milton G.

Partner: UNT Libraries Government Documents Department

Velocipede.

Patent for a device related to "velocipedes or wagons propelled by hand-power" (lines 20-21), including instructions and illustrations.

Date: March 23, 1880

Creator: Overstreet, William

Partner: UNT Libraries Government Documents Department

Well Bucket.

Patent for a new and improved well-bucket. This design consists in "[t]he combination of the upper bucket and the lower external bucket, the former having a central vertical tube adapted to receive the rod for operating the valve of the lower bucket, and the spring arranged around the said rod" (lines 5-10).

Date: June 23, 1885

Creator: Arnold, James S.

Partner: UNT Libraries Government Documents Department

Improvement in Fences.

Patent for a new and useful improvement in fences, including instructions and illustrations.

Date: September 23, 1873

Creator: King, Wilbur F.

Partner: UNT Libraries Government Documents Department

Improvement in Key-Hole Guards.

Patent for "a guard for key-holes of locks, to prevent the use of keys by unauthorized persons, the picking of the lock, and as a means for operating the bolt when fitted for that purpose." (Lines 7-11) Includes instructions and illustrations.

Date: December 23, 1873

Creator: Hall, William N.

Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Patent for changes in the construction of a cultivator.

Date: May 23, 1871

Creator: Walker, Leander

Partner: UNT Libraries Government Documents Department

Improvement in Devices for Attaching Napkins to the Person

Patent for the improvement of attaching napkins to people in which a flexible ring is ensleeved with a napkins and stretched around the neck of a person.

Date: May 23, 1871

Creator: Raiford, Philip H.

Partner: UNT Libraries Government Documents Department

Improvement in Medical Compounds or Bitters.

Patent for a medical compound prepared with whisky, gentian-root, cinchonabark, quassia and cloves which is intended as "a remedy for miasmatic fevers" (line 23) including instructions for the preparation and administration of the medicine.

Date: January 23, 1872

Creator: Turner, Richard G.

Partner: UNT Libraries Government Documents Department

Transmission Mechanism

Patent is for power transmission in motor vehicles. It is housed in one case.

Date: January 23, 1917

Creator: Stillians, Harry C.

Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Patent for a traffic signal that provides a way for automobiles to notify other vehicles that the operator is about to make a turn or bring his vehicle a stop, with illustrations.

Date: December 23, 1919

Creator: Tillery, John F.

Partner: UNT Libraries Government Documents Department

Trap

Patent for a bird-catching trap that has an entrance that is always open but prevents exit; also includes a device that keeps the bait visible but never attainable

Date: December 23, 1919

Creator: Mayse, Henry F.

Partner: UNT Libraries Government Documents Department

Tractor.

Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).

Date: March 23, 1920

Creator: Weaver, William S.

Partner: UNT Libraries Government Documents Department

Tractor

Patent for "novel features of construction and combinations of parts" in tractors to ensure a steady, even pace of travel and allow for traversing uneven landscape while maintaining a level setting, including illustrations and instructions.

Date: April 23, 1918

Creator: Altgelt, Herman E.

Partner: UNT Libraries Government Documents Department

Trap.

Patent for a new type of animal trap with a rotating cylinder that projects the animal into the trap itself when depressed.

Date: November 23, 1915

Creator: Webster, Joseph R.

Partner: UNT Libraries Government Documents Department

Trap For Crustacea

Patent for a crustacea trap. This device is designed for use in catching crabs, lobsters, and other crustacea. Illustrations included.

Date: October 23, 1906

Creator: Franklin, Robert M.

Partner: UNT Libraries Government Documents Department

Water Bag

Patent for a water bag. Illustration included.

Date: March 23, 1909

Creator: Smith, Daniel

Partner: UNT Libraries Government Documents Department

Vertical Steam-Pump.

Patent for improvements in steam-pumps, of which “are adapted to compress a liquefiable gas—such as that of ammonia—to a state of partial liquefaction, the pressure being subsequently removed and the liquefied refrigerating agent expanding through tubes and chambers, and the cooling effect produced by the volatile liquid again assuming its gaseous state is utilized for the absorption of heat.” (Lines 10-17) Illustration is included.

Date: June 23, 1891

Creator: Robinson, Charles H.

Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Patent for an improvement on vehicle wheels to "provide a novel and inexpensive safety-guard for wheels of the above-referred-to class, whereby the wheel will be prevented from entering crevices and cracks" (lines 14-18) and to improve durability.

Date: July 23, 1895

Creator: Laube, Godfried

Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Patent for a strong, durable, and inexpensive vehicle-wheel in children's carriages with a double-felly wheel meant to broaden "the tread thereof sufficiently to prevent the wheels falling into cracks between boards of board walks, such as are common in the suburbs or rural districts" (lines 15-19). The spokes are like that of a single-felly wheel.

Date: July 23, 1895

Creator: Laube, Godfried

Partner: UNT Libraries Government Documents Department

Improvement in Combined Gang-Plow and Cultivator

Patent for a new gang-plow and cultivator design, including instructions and illustrations.

Date: August 23, 1870

Creator: Thornton, Sterling C.

Partner: UNT Libraries Government Documents Department

Lamp-Adjusting Mechanism

Patent for a new and improved lamp-adjusting mechanism for automobiles and other vehicles that directs light from lamps in any direction, within a certain arc, in order to illuminate any object at the side of the road or street, with illustrations (lines 10-20).

Date: February 23, 1915

Creator: Kitching, David C.

Partner: UNT Libraries Government Documents Department

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