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Valve For Oil Wells

Description: Patent for a valve for oil wells. This invention is designed to control the flow of oil during drilling. Illustration included.
Date: September 19, 1905
Creator: Bernard, Horace D.
Partner: UNT Libraries Government Documents Department

Ledger with Visible Index.

Description: Patent for a ledger with a visible index of numbers and names with tabs to allow accounts to be looked up easily.
Date: April 19, 1910
Creator: Kellner, Eugene
Partner: UNT Libraries Government Documents Department

Land Grader and Ditcher

Description: Patent for a land grader and ditcher that is durable and easy to use to ditch a large area and the scraping blade can be easily removed for cleaning, repairs or other reasons.
Date: September 19, 1905
Creator: Reed, Allen T.
Partner: UNT Libraries Government Documents Department

Vehicle Brake-Shoe and Holder.

Description: Patent for a brake-shoe and holder for wagons, which is easy to remove from the holder and directly engages the wheel.
Date: January 19, 1909
Creator: Tubb, Thomas J. & Sheldon, Lon M.
Partner: UNT Libraries Government Documents Department

Indicator for Pressure Gages

Description: Patent for an indicator for pressure gages. Illustration included.
Date: July 19, 1910
Creator: Fields, Roberts E.
Partner: UNT Libraries Government Documents Department

Vehicle Wheel

Description: Patent for a vehicle wheel. This invention is designed to keep dust and grit out of the axle point and nib. It has a wooden core sheathed in metal. Illustration included.
Date: April 19, 1904
Creator: Polk, James A.
Partner: UNT Libraries Government Documents Department

Internal Combustion and Air Compressing Engine

Description: Patent for internal combustion and air compressing engine. Illustration included.
Date: October 19, 1909
Creator: Risley, Ward & Risley, Zeph L.
Partner: UNT Libraries Government Documents Department

Vehicle-Axle

Description: Patent for improvements in axles "particularly to axles for buggies and other light vehicles." (Lines 12-13)
Date: February 19, 1907
Creator: Raines, Stephen H. & Schuessler, Amile O.
Partner: UNT Libraries Government Documents Department

Valve-Gear for Engines.

Description: Patent for a valve gear for steam engines that can reverse or stop the rotation of the engine shaft, with illustrations.
Date: June 19, 1906
Creator: Hanser, Joseph
Partner: UNT Libraries Government Documents Department

Truck For Wood Preserving Retorts

Description: Patent for a truck for wood preserving retorts. This "invention relates to a truck specially adapted for carrying articles which are to be moved on the truck into retorts, especially those constructed in cylindrical form" (lines 9-12). The truck is designed to permit large amounts of wood to loaded. Illustration included.
Date: March 19, 1907
Creator: Rollins, Henry M. & Neff, Asa J.
Partner: UNT Libraries Government Documents Department

Incubator.

Description: Patent for an incubator, which automatically turns all the eggs to allow them to get the same amount of warmth and light.
Date: July 19, 1910
Creator: Gerard, Alonzo
Partner: UNT Libraries Government Documents Department

Improvement in Saws.

Description: Patent for improvements to circular or straight saws that steady the saw and prevent vibration and buckling. Includes instructions and illustrations.
Date: December 19, 1871
Creator: Littlepage, Caleb V.
Partner: UNT Libraries Government Documents Department

Improvement in Soldering-Irons.

Description: Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Date: December 19, 1871
Creator: Williams, Joseph
Partner: UNT Libraries Government Documents Department

Improvements in Burners

Description: Patent for improvements for burners. It is related explicitly to hydrocarbon burners. Its purpose is to keep the oil and steam separate as they leave the burner by keeping them in two separate streams.
Date: June 19, 1918
Creator: Trahan, Clair A
Partner: UNT Libraries Government Documents Department

Improvement in Wagon-Brakes.

Description: Patent for a foot operated wagon braking mechanism, including illustrations. Patent for a better alternative to lever brakes on buggies and wagons as the braking mechanism is "out of the way, and not noticeable or prominently visible from the sides of the vehicle".
Date: June 19, 1877
Creator: O'Neall, James M.
Partner: UNT Libraries Government Documents Department

Improvement In Suspender-Buttons

Description: Patent for an improved suspender button with a description and illustrations attached.
Date: August 19, 1879
Creator: Racer, Martin J.
Partner: UNT Libraries Government Documents Department

Improvement in Stalk-Pullers.

Description: Patent for an improved stalk-puller for use in pulling cotton-stalks in preparing the land for another crop.
Date: September 19, 1876
Creator: Brown, Robert D.
Partner: UNT Libraries Government Documents Department

Improvement in land-drag and clod-crusher.

Description: Patent for an implement to crush clogs of dirt. Designed to be an improvement on the clod-crusher and drag for which Letters Patent No. 177,476 was granted.
Date: September 19, 1876
Creator: Crockett, John M.
Partner: UNT Libraries Government Documents Department

Wheeled Vehicle.

Description: Patent for a new and improved wheeled vehicle. This design consists in "[a] one-wheeled sulky in which are combined the single wheel, the frame, the thills, the seat, the standards, and the rods or braces" (lines 54-57).
Date: June 19, 1883
Creator: Boyd, William
Partner: UNT Libraries Government Documents Department

Improvement in Scissors.

Description: Patent for "scissors for the use of dealers in dry goods; and it consists in providing an ordinary pair of scissors with an extension at or near the end of one of the blades, having an entering point and an eye to carry a thread, and designed to serve a convenient purpose in tagging and retagging goods." (Lines 14-21) Includes instructions and illustrations.
Date: May 19, 1874
Creator: Waldie, Samuel H.
Partner: UNT Libraries Government Documents Department

Improvement in Motors.

Description: Patent for power-operated motors used "for operating churns" (lines 13-14), with the option of using spring-power, including a detailed explanation and description of the illustration.
Date: February 19, 1878
Creator: Cummings, James K.
Partner: UNT Libraries Government Documents Department

Improvement In Machines For Filing Saws.

Description: Patent for improvements in the construction of machines for filing saws. Description of the construction and illustrations are attached.
Date: August 19, 1879
Creator: Basom, Ransford W.
Partner: UNT Libraries Government Documents Department

Improvement In Locks

Description: Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Methods of Forming Saw-Teeth.

Description: Patent for "a rule for giving to the backs of saw-teeth such an angle as will allow the teeth to be made of proper strength and at the same time to be chambered out and pointed so that they will cut the wood like chisels instead of scraping or tearing the wood." (Lines 14-19) Includes instructions and illustrations.
Date: December 19, 1871
Creator: Littlepage, Caleb V.
Partner: UNT Libraries Government Documents Department
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