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Windmill-Drive

Description: Patent for a drive for windmills. Illustrations included.
Date: March 22, 1910
Creator: Cummins, Robert B.
Partner: UNT Libraries Government Documents Department

Wire-Fence Machine.

Description: Patent for a new and useful wire-fence machine that can be conveniently carried around.
Date: March 22, 1898
Creator: Watson, James A.
Partner: UNT Libraries Government Documents Department

Machine for Forming Continuous Pipe.

Description: Patent for a machine for forming continuous concrete pipe with perforations at set intervals for water to escape from for irrigation purposes.
Date: March 22, 1910
Creator: Wiggins, John L.
Partner: UNT Libraries Government Documents Department

Record-Printing Device.

Description: Patent for record printing device that is used on cars for mechanics to record the car number and other data. The printing device is more durable especially though rough weather and easy to use by the mechanic.
Date: March 22, 1921
Creator: Gray, Dexter B.
Partner: UNT Libraries Government Documents Department

Insect-Destroyer.

Description: Patent for a new and useful insect - destroyer.
Date: March 22, 1898
Creator: Priest, Eli Thompson
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Partner: UNT Libraries Government Documents Department

Wash Board.

Description: Patent for a new and improved washboard. This design consists in "a suitable base-frame, a series of alternately right and left handed spirally-grooved rollers journaled therein, an inclined forked frame straddling and pivoted to the base-frame, a lever for securing the adjustment of said forked frame on its axis, a rubber, and rocking spring-arms journaled in said forked frame and connecting the same and the rubber" (lines 92-100).
Date: March 22, 1887
Creator: Stone, Charles M.
Partner: UNT Libraries Government Documents Department

Thill-Coupling.

Description: Patent for carriage and wagon couplings, with instructions and illustrations.
Date: March 22, 1892
Creator: Tanner, David Wilmer
Partner: UNT Libraries Government Documents Department

Stalk Cutter

Description: Patent for stalk cutter. This invention consists of rotating knives that severs the stalks into several pieces for use as fertilizer. Illustrations included.
Date: March 22, 1910
Creator: Davis, Thomas A.
Partner: UNT Libraries Government Documents Department

Washer for Wagon-Bolsters

Description: Patent for a washer wagon-bolsters. Illustration included.
Date: March 22, 1910
Creator: Martin, James Y.
Partner: UNT Libraries Government Documents Department

Means for Operating Swinging Gates.

Description: Patent "to simplify and improve the construction of means for opening and closing swinging gates," (lines 10 - 12) including instructions and illustrations.
Date: March 22, 1892
Creator: Rhodes, James W.
Partner: UNT Libraries Government Documents Department

Spoke-Tightening Device

Description: Patent for a spoke tightening device which can be adjusted to different lengths for different wagon wheels.
Date: March 22, 1910
Creator: Weidemann, Reinhold
Partner: UNT Libraries Government Documents Department

Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.

Description: Patent for the improvement of the process of forming individual foot forms or replicas of a person's specific foot. This alleviates a person having to go through the painful process of breaking in new shoes. The foot forms can then either be kept by the individual or by the shoe dealer for making future foot wear.
Date: March 22, 1921
Creator: Butler, James B.
Partner: UNT Libraries Government Documents Department

Tool Joint.

Description: Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date: March 22, 1921
Creator: Kreiter, Richard F.
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for an improvement of a mechanical operated gate. Illustration included.
Date: March 22, 1904
Creator: Burkhardt, John F.
Partner: UNT Libraries Government Documents Department

Gin-Saw Filer.

Description: Patent for a new and useful gin-saw filer.
Date: March 22, 1898
Creator: Wilson, David M.
Partner: UNT Libraries Government Documents Department

Harrow and Cultivator.

Description: Patent for a combination harrow and cultivator, including instructions and illustrations.
Date: March 22, 1892
Creator: Flatau, Louis S.
Partner: UNT Libraries Government Documents Department

Hoisting Apparatus.

Description: Patent for improvements in hoisting apparatus by “employing two cables and two sheaves that one cable and one sheave operate to elevate the weight or object in an approximately-vertical plane, so as to avoid contact with any side obstruction, while the secondary cable can subsequently be slackened sufficiently to permit the traveling sheave of the hoisting-cable to run off in a lateral direction and carry with it the sheave of the slackened secondary cable, for the purpose of transferring the o… more
Date: March 22, 1892
Creator: Davis, Benjamin F.
Partner: UNT Libraries Government Documents Department

Feed-Water Heating and Purifying Apparatus.

Description: Patent for improvements in feed-water heating and purifying apparatus by “utilizing the heat of exhaust-steam from locomotive-cylinders, and the waste heat from the products of combustion in the combustion-chamber; or smoke-arch for heating and purifying the feed-water in transit to the locomotive-boiler.” (Lines 11-16) Illustration is included.
Date: March 22, 1892
Creator: McCallum, Daniel W.
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel.

Description: Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date: March 22, 1921
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Pump-Piston.

Description: Patent for new and improved pump piston. This patent is accompanied by drawings and the object is to provide a pump piston wherein the the piston body proper is securely maintained against shifting upon the piston rod.
Date: March 22, 1921
Creator: Yount, Miles F.
Partner: UNT Libraries Government Documents Department

Internal-Combustion Motor.

Description: Patent for an internal combustion engine designed for better lubrication and simplicity of repair.
Date: March 22, 1921
Creator: Sanford, Harold M.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for "a plow especially adapted to be used in turning the well-known black or stiff lands in the Western States," (lines 8-10) with instructions and illustrations.
Date: March 22, 1892
Creator: Hill, David J.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a water pump. Illustration included.
Date: March 22, 1904
Creator: Park, Henry Jackson & Darrough, Rufus Clark
Partner: UNT Libraries Government Documents Department
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