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Valve for explosive-engines.

Description: Patent for an improved valve for use in explosive engines which lists the movements of various parts in order to allow air and fuel to mix and explode.
Date: February 2, 1914
Creator: Ray, Albert J.
Partner: UNT Libraries Government Documents Department

Derailing Block dated October 1, 1918

Description: Patent for new and improved detailing rocks for railroads. What makes this unique is that the clamp can be quickly and effectively clamped to railroad tracks.
Date: February 19, 1918
Creator: Samuel Harvey Garrett & Joseph Owen Staude
Partner: UNT Libraries Government Documents Department

Wagon-Brake.

Description: Patent for an improvement in a wagon-brake using an operating-lever that is mounted in a bracket near the front axle, and consist of diverging arms; and a segmental rack-plate with teeth that is arranged to be engaged by a sliding pawl. When the operating-lever and the sliding pawl are connected; when the brake-bars are in motion, clamping the wheels of a vehicle thus making it stop.
Date: February 17, 1891
Creator: Baker, Owen T.
Partner: UNT Libraries Government Documents Department

Well Drilling Machine.

Description: Patent for a driving mechanism to reduce the numbers of shafts and other parts needed for well drilling. The invention allows for one main driving shaft to be used as the primary source for well drilling.
Date: February 5, 1918
Creator: Herdman, Adam H.
Partner: UNT Libraries Government Documents Department

Well Drilling Bit

Description: Patent for a well drilling bit. Illustration included.
Date: February 11, 1913
Creator: Byron, Marcus A. & English, Harry White
Partner: UNT Libraries Government Documents Department

Walking-Cane.

Description: Patent for a walking cane which is made of two intertwined sections of spiral steel wires, which can be painted different colors creating a noticeable object that can be used by sports fans to show support for their team at games,
Date: February 1, 1910
Creator: Alverson, Lewis
Partner: UNT Libraries Government Documents Department

Tractor Turning Mechanism.

Description: Patent for a tractor turning mechanism that will allow tractors to turn at any angle up to a right angle by locking one of the driving ground wheels into a pivot point for the other wheels of the tractor.
Date: February 17, 1920
Creator: Chenoweth, William B.
Partner: UNT Libraries Government Documents Department

Ventilating Device

Description: Patent for a ventilating device for vehicles. Illustrations included.
Date: February 28, 1911
Creator: Cunningham, Melville Boyd
Partner: UNT Libraries Government Documents Department

Watchmaker's Tool.

Description: Patent for a watchmaker's tool that removes "the collet and hair spring of a watch from the balance wheel arbor, without injuring the hair spring of the watch and at the same time holding the balance wheel secure against accident or injury" (lines 10-14).
Date: February 12, 1895
Creator: Seyfriedt, William C.
Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Description: Patent for a rotary-blade stalk cutting machine. Includes instructions and illustrations.
Date: February 23, 1897
Creator: Evridge, George W.
Partner: UNT Libraries Government Documents Department

Hydrostatic Indicator for Weighing Scales.

Description: Patent for a new and improved hydrostatic indicator for scales. This design consists in "a reservoir, an outer cylinder, a hollow inner cylinder, an attached stand-pipe, and registering-dial, said inner cylinder being surrounded by and sliding within said outer cylinder, said outer cylinder being provided with an attached inlet-pipe communicating with said reservoir, said pipe being provided with two valves, in combination with a bearing-bar, side rods, and under bar, forming a frame bearing up… more
Date: February 5, 1889
Creator: Lewis, Henry A.
Partner: UNT Libraries Government Documents Department

Picture Display Machine

Description: Patent for machines that display advertising machines that will rotate in the advertisements it displays.
Date: February 13, 1917
Creator: Osborne, James M.
Partner: UNT Libraries Government Documents Department

Electric Bath Apparatus

Description: Patent for device that allows an electric bath to be taken despite varying degrees of current intensity.
Date: February 27, 1917
Creator: Lowe, James D.
Partner: UNT Libraries Government Documents Department

Air Filtering Gas Burner

Description: Patent for device that helps prevent air from choking burners when used in cooking.
Date: February 6, 1917
Creator: Parks, William B.
Partner: UNT Libraries Government Documents Department

Hotel Key Tag

Description: Patent for key tag.
Date: February 6, 1917
Creator: Rosenfield, Clarence
Partner: UNT Libraries Government Documents Department

Tie for Wire Fencing.

Description: Patent for tie for woven fencing that holds the vertical and horizontal wires firmly together and uses less wire in the tie, thereby making the ties more cost effective.
Date: February 19, 1907
Creator: Collar, Charles T.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for "new and useful improvements in Hydrocarbon-Burners" (lines 6-7) including instructions and illustrations.
Date: February 10, 1920
Creator: Wynne, William P. & Wynne, James Harry
Partner: UNT Libraries Government Documents Department

Guard Doors and the Like

Description: Patent for improved guards for doors.
Date: February 13, 1917
Creator: Agee, Howard L. & Agee, Sidney A.
Partner: UNT Libraries Government Documents Department

Motor Limbering Stand

Description: Patent for a motor limbering stand. To provide an apparatus for starting and testing motors.
Date: February 19, 1918
Creator: Hill, James H.
Partner: UNT Libraries Government Documents Department

Harness Saddle

Description: Patent is for "improvements in harness saddles" (lines 6-7) that will "not injure animals' backs and which will be automatically adjustable to a back of any size or shape."
Date: February 2, 1909
Creator: Edelbrock, Frank E.
Partner: UNT Libraries Government Documents Department

Refrigerator.

Description: Patent for a new and improved refrigerator. This design "consist[s] of the cooling-box having top doors, the over-hanging frame, guide-pulleys, cords, and weights, the ice-box having an ice support or grate in its lower end, a water-tank in the upper end of said ice-box, and a discharge-pipe connected with the tank and having its lower portion disposed in coils below the ice support or grate" (lines 13-21).
Date: February 15, 1887
Creator: Dunn, William W.
Partner: UNT Libraries Government Documents Department

Collapsable Carrying Crate

Description: Patent for carrying case that can be folded up to be put away when unused.
Date: February 13, 1917
Creator: Bomar, Thomas B.
Partner: UNT Libraries Government Documents Department

Rotary Razor-Sharpening Machine

Description: Patent for a razor-sharpening device that will be compact and simple to produce.
Date: February 17, 1914
Creator: Herring, Charles M.
Partner: UNT Libraries Government Documents Department

Powder-Ejector.

Description: Patent for a powder medicine ejector for discharging medicine into patients body cavities, which allows a dose of the medicine to be discharged from a larger quantity stored in the ejector.
Date: February 1, 1910
Creator: Kline, Charles W. & Long, Harley A.
Partner: UNT Libraries Government Documents Department
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