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Valve-Spring Lifter.

Patent for valve spring lifter designed for use with internal combustion engines that holds the intake or exhaust valve springs in an elevated or rigid position. Illustrations included.

Date: June 18, 1918

Creator: Mountain, Thomas O.

Partner: UNT Libraries Government Documents Department

Liquid Fuel Burner

Patent for fuel burner that can be dismantled and easily moved around the kitchen.

Date: June 20, 1920

Creator: Tucker, William A.

Partner: UNT Libraries Government Documents Department

Liquid-Fuel-Measuring Tank

Patent for a liquid fuel measuring tank that accurately measures fuel and can automatically stop accumulating fuel when a certain amount has been reached, including illustrations.

Date: June 25, 1918

Creator: Helm, Virgil L.

Partner: UNT Libraries Government Documents Department

Liquid-Fuel Burner.

Patent for improvements in liquid fuel burner that generates gas from liquids that requires no labor or supervision.

Date: June 8, 1920

Creator: Bittner, Emil R.

Partner: UNT Libraries Government Documents Department

Locking and Operating System for Jail-Doors.

Patent for a new way to operate and lock jail doors "whereby each and every door in the system can be locked, unlocked and operated altogether, or any one, two or more doors can be locked, unlocked and operated without disturbing the other doors of the system" (lines 11-16), including illustrations.

Date: June 11, 1918

Creator: Youngblood, David Franklin

Partner: UNT Libraries Government Documents Department

Weed Killing Car.

Patent for a weed killing car that runs on a railroad track. It distributes herbicide along the line of the railroad track.

Date: June 2, 1914

Creator: Ortan, Ingomar F.

Partner: UNT Libraries Government Documents Department

Machine for connecting pipe-sections

Patent for embodying an improved construction whereby the ends of relatively heavy and large pipe sections be screwed together with minimum amount of manual labor.

Date: June 20, 1916

Creator: Simms, Joe M.

Partner: UNT Libraries Government Documents Department

Windmill

Patent for Windmill Improvements that includes a mounted rotor for horizontal rotation, including illustrations.

Date: June 28, 1913

Creator: Henning, Thomas W.

Partner: UNT Libraries Government Documents Department

Well-Shooting Torpedo.

Patent for "torpedoes of the type used in "shooting" wells, the object being to provide a torpedo which will be especially useful in the removal of casings from wells" (lines 9-13), such as easier removal from dry wells. Also, modifications to the hammer are noted to ensure explosion.

Date: June 25, 1918

Creator: Franklin, Henry L.

Partner: UNT Libraries Government Documents Department

Well-Screen Cleaner.

Patent for cleaning well screens and preventing oil well pipes from clogging to improve production.

Date: June 7, 1921

Creator: Bashara, Samuel F.

Partner: UNT Libraries Government Documents Department

Well-Screen.

Patent for a well-screen formed of perforated pipes for oil production to filter sand and detritus, including illustrations.

Date: June 3, 1919

Creator: Mack, James O.

Partner: UNT Libraries Government Documents Department

Water Heater for Washing Machines.

Patent for a new and improved water heater for washing machines. This design "relates to that class of washing-machines in which a rotary slatted cylinder for holding the clothes and a coil of pipe for supplying the drum with hot water are employed; and it consists in certain improvements in the construction and arrangement of the heater and pipes for conveying water to and discharging it from the drum" (lines 14-21).

Date: June 28, 1881

Creator: Bailey, Charles F. & Perrenot, George F.

Partner: UNT Libraries Government Documents Department

Windmill.

Patent for a new and improved windmill. This design "consists in the combination of a central vertical shaft a series of supporting-arms projecting horizontally out from this shaft, a number of curved buckets which are pivoted at or near their centers between these supporting-arms, and suitable springs or weights which are attached to the inner edges of these buckets" (lines 13-20).

Date: June 13, 1882

Creator: Lowther, Lorenzo Dow

Partner: UNT Libraries Government Documents Department

Windmill.

Patent for a new and improved windmill. This design "consists in the construction and novel arrangement of the radial arms of the wheel-frame and the vertical pivot-posts thereon, the sails or fans pivoted to said posts, the pivoted detents, and the pivoted governing-levers to which said detents are connected, said levers carrying adjustable weights" (lines 16-23).

Date: June 5, 1883

Creator: Witherspoon, Frank

Partner: UNT Libraries Government Documents Department

Windmill

Patent for windmill for utilizing wind or water power (lines 9-10).

Date: June 12, 1883

Creator: Sickles, William C.

Partner: UNT Libraries Government Documents Department

Weather and Fire Strip for Box Car Doors.

Patent for a new and improved weather and fire strip for box car doors. This design "relates to an improved device for closing the space between the rear edge of the doors of box-cars and the side of the car, so as to prevent sparks or water from entering through the space and damaging the goods in the car" (lines 9-14).

Date: June 12, 1883

Creator: Nichols, George B.

Partner: UNT Libraries Government Documents Department

Weighing Scale

Patent for weighing scale. Illustration included.

Date: June 7, 1904

Creator: McKee, Clarence W.

Partner: UNT Libraries Government Documents Department

Wire Fence Building Implement

Patent for a wire fence building implement. This implement is "adapted to take up slack in an unbroken fence-wire, draw together ends of a broken fence-wire, so as to permit said ends to be spliced together, cut off surplus wire, and pull staples from the fence-posts" (lines 9-15). Illustrations included.

Date: June 9, 1903

Creator: Hall, Ed Francis

Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus

Patent for a well-drill swivel designed to improve the function of a well-drilling apparatus. The improved swivel is meant to create a better connection between rod and rope and prevent twisting of water-supply.

Date: June 5, 1906

Creator: Hall, Samuel N.

Partner: UNT Libraries Government Documents Department

Wire Fence Tool

Patent for tool "which may be used for various purposes in connnection with wire fences" (lines 16-17) including an illustration.

Date: June 3, 1902

Creator: Neeb, William

Partner: UNT Libraries Government Documents Department

Lubricating Apparatus

Patent for "lubricating the bearings of locomotives while moving or standing still." (lines 8-10)

Date: June 19, 1900

Creator: Dangler, Hank

Partner: UNT Libraries Government Documents Department

Machine for Exterminating Insects.

Patent for a machine for exterminating insects on plants by sucking them off the plants and then dropping them into a fire chamber in the machine.

Date: June 27, 1911

Creator: Hill, Leonidas C.

Partner: UNT Libraries Government Documents Department

Windmill Motor

Patent for windmill motor. Illustration included.

Date: June 15, 1909

Creator: La Bauve, Valcoure J.

Partner: UNT Libraries Government Documents Department

Water-Heater.

Patent for a compact gas powered water heater that runs the water through firmly attached tubes that expand and contract with the water temperature and are placed in between heating elements. The machine can also be packed with ice to cool water in the tubes.

Date: June 18, 1907

Creator: Haynie, Brooks

Partner: UNT Libraries Government Documents Department

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