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Improvement in Saw-Mills

Description: Patent for an improvement in saw mills, with illustration.
Date: February 9, 1875
Creator: Linder, Charles
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for "a new and useful improvement in Adjustable Cultivators"
Date: February 8, 1876
Creator: Price, James A.
Partner: UNT Libraries Government Documents Department

Improvement in Instruments for Filling Teeth

Description: Patent for improvement in instruments for filling teeth. "The object of this invention is to furnish an improved mode of filling teeth, by the use of which the filling may be built up, hardened, and polished at once, so that the filling will be as hard as marble when the patient leaves the operator's chair, and so that they can be immediately used for masticating."
Date: February 29, 1876
Creator: Ludwig, Carl D.
Partner: UNT Libraries Government Documents Department

Improvement in Screw-Taps.

Description: Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and tapping holes of different sizes" (lines 29-32) with illustrations and instructions.
Date: November 7, 1876
Creator: Melvin, Josiah Walter
Partner: UNT Libraries Government Documents Department

Improvement in Mosquito-Net Frames.

Description: Patent for "mosquito-net frames which are made adjustable, so that they may be extended over the bed or folded compactly, according to the requirements of use." (Lines 8-11) Includes instructions and illustrations.
Date: April 3, 1877
Creator: Volle, Johann F.
Partner: UNT Libraries Government Documents Department

Improvement in Speed and Time Recorders.

Description: Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date: September 9, 1879
Creator: Richardson, John D.
Partner: UNT Libraries Government Documents Department

Improvement in Devices for Transmitting Rotary Motion.

Description: 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

Wheel Hub.

Description: Patent for a new and improved wheel hub. This design consists "[i]n a sectional hub, each spoke-socket having a separate side opening closed by a plate [that] fit[s] into an annular groove . . . of the cylinder . . . and [is] held by bolts passing between the tenons of spokes, to allow each spoke to be separately reached and tightened by a wedge under the end of its tenon" (lines 59-65). This "obviate[s] the necessity of removing the wheel-tire for replacing a broken spoke with a new one" (line… more
Date: December 14, 1880
Creator: Oualline, Edward Napoleon
Partner: UNT Libraries Government Documents Department

Treasure Box.

Description: Patent for a new and improved lock-box. This design "is provided with means for giving an alarm when an attempt is made to enter the same; and it also has a device for clamping it to the berth or other part of the apartment in which the traveler lodges, so that when the alarm sounds he [or she] is awakened, and thus notified at an attempt at robbery. The device is especially adapted to be clamped to the inner-face of a bed-rail, adjacent to the mattress thereof, so that it cannot be reached wit… more
Date: July 13, 1886
Creator: Hayes, Elbert Newton & Sauer, Venant August
Partner: UNT Libraries Government Documents Department

Improvement in Fluting-Machines.

Description: Patent for an improvement in gage-fluting machines, including an illustration. "It relates to a machine for fluting or crimping articles of ladies' apparel" (lines 6-7).
Date: January 14, 1873
Creator: Saunders, David R.
Partner: UNT Libraries Government Documents Department

Improvement in Journal Boxes.

Description: Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: May 13, 1873
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department

Improvement in Odometers.

Description: Patent for an improvement to odometers used for measuring distance traveled in motor vehicles.
Date: July 15, 1879
Creator: Richardson, John D.
Partner: UNT Libraries Government Documents Department

Improvement in Spark-Conductors for Railroad-Trains.

Description: Patent for improvement in spark-conductors for railroad trains by using a “horizontal flue in sections and use “other devices to engage and disengage the sections, where by to arrest and extinguish sparks and conduct the smoke, ashes, and cinders to the rear.” (Lines 16-20) Illustration is included.
Date: April 27, 1869
Creator: Wright, Reuben
Partner: UNT Libraries Government Documents Department

Improvement in Machine for Cutting Stalks in the Field Preparatory to Plowing.

Description: Patent for improvement in machine for clearing cotton and corn-fields of the stalks after the crops have been gathered by “providing a revolving drum or roller with knives, set spirally around it, which cut the stalks of cotton or corn-fields into pieces of any desired length, for the purpose of being plowed under the surface for fertilizing, by rolling it over them.” (Lines 14-19) Illustration is included.
Date: May 4, 1869
Creator: Wright, Reuben
Partner: UNT Libraries Government Documents Department

Improvement in Medical Compounds.

Description: Patent for a new medical compound to remedy chills and fever.
Date: February 7, 1871
Creator: Lister, Henry
Partner: UNT Libraries Government Documents Department

Improvement in Devices for Attaching Napkins to the Person

Description: 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

Trap.

Description: Patent for a small animal trap that prevents injury to the animal. When the animals step on the pedal inside the enclosure, a door is automatically dropped. The animal is trapped inside the enclosure.
Date: June 27, 1922
Creator: Dinkins, Earl T.
Partner: UNT Libraries Government Documents Department

Well Capping Device.

Description: Patent for "new and useful improvements in a well capping device." [lines 9-10]
Date: December 2, 1919
Creator: Thrift, Homer C.
Partner: UNT Libraries Government Documents Department

Well-Boring Rod.

Description: Patent for a well boring rod in which a hollow rod or shaft is used as a rotary power transmission shaft. The invention has for its primary objects the provision of means for reinforcing or stiffening a well boring rod so that a lighter tube may be used than would otherwise be the case.
Date: May 21, 1918
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Well-Cleaner.

Description: Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date: August 6, 1920
Creator: Bashara, Samuel F.
Partner: UNT Libraries Government Documents Department

Tractor.

Description: 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

Vending-Machine.

Description: Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for a tractor "of the caterpillar type, having a caterpillar on each side, said caterpillars being independently driven either forwardly or reversely" (lines 11-14).
Date: July 22, 1919
Creator: Fisher, Guy B.
Partner: UNT Libraries Government Documents Department

Ventilator

Description: Patent for a ventilator
Date: unknown
Creator: Worlkarte, Charles J.
Partner: UNT Libraries Government Documents Department
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