UNT Libraries Government Documents Department - 36 Matching Results

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Adjustable Friction-Grab for Fishing-Tools.

Description: Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.

Amusement Device.

Description: Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date: May 24, 1921
Creator: Lindamood, Roy S.

Automatic lock.

Description: Patent for a gate lock that automatically locks.
Date: March 24, 1924
Creator: Parker, Robert N. & Smith, Henry A.

Automatic Trailing Device

Description: Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date: February 24, 1920
Creator: Sloan, Charles Lee

Boiler-Stand.

Description: Patent for an improved boiler stand by creating space for air flow between the burner and the boiler to increase combustion.
Date: February 24, 1920
Creator: Fowles, Alfred T.

Car-Rail Hose-Bridge.

Description: Patent that provides a hose-bridge that is light in weight and simple in construction, that can be carried on the cars or stored at different points on the line convenient for use.
Date: January 24, 1921
Creator: Tyler, Charley P.

Clamp

Description: Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.

Coating Apparatus and Mathod.

Description: Patent for a new apparatus into which long objects such as pipes can be placed, dipped into coating material, and spun so that objects are coated evenly.
Date: August 24, 1920
Creator: Watrous, Edward L.

Condenser for Cotton-Presses.

Description: Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.

Coupling.

Description: Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date: May 24, 1921
Creator: Speece, Russell. W.

Crossing for Railway-Tracks.

Description: Patent for incorporating durable gaps within railway-rails to improve performance, with illustrations.
Date: February 24, 1920
Creator: Thomas, Lester V.

Dental-Broach Holder.

Description: Patent for a dental broach holder that can be easily cleaned, and that includes certain structural elements that keep a dental broach more secure during use. The broach fastens on the outside of the holder, the mechanism of which "[prevents] loss of the broach in the patient's mouth during operation" (lines 92-94).
Date: January 24, 1922
Creator: Gilbert, James M.

Drill Bit

Description: Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date: February 24, 1920
Creator: Clements, Frank L., Jr.

Electric Battery

Description: Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.
Date: October 24, 1922
Creator: Holmes, Frank M.

Gate-Operating Device

Description: Patent for a gate opening device that consists of a hinge, cable, and spring that allows a gate to open after a slight push by a pedestrian or vehicle.
Date: February 24, 1920
Creator: Wilbanks, Andrew J.

Hose Reel

Description: Patent for a hose reel that makes water easily available to the people in a building that has caught fire and is more easily maneuverable.
Date: August 24, 1920
Creator: Hamner, Edward M.

Hydraulic Swivel.

Description: Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date: May 24, 1921
Creator: King, Walter E.

Jar and Can Lifter

Description: Patent for Jar and Can lifter designed to assist in transporting a can or jar. It is made from wire and acts as a removable handle.
Date: January 24, 1920
Creator: Hilley, Seaborn A.

Metal-Coating Composition.

Description: Patent for a metal coating composition to form a protective coating on metals and steel to prevent rust and corrosion.
Date: May 24, 1921
Creator: Ethridge, Thomas Jefferson

Mold.

Description: Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
Date: January 24, 1922
Creator: Miller, Ose Z.

Mousetrap

Description: Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
Date: January 24, 1922
Creator: Spencer, Clarence E.

Non-Skid Device

Description: Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date: May 24, 1921
Creator: Williams, Harry S.

Oil-Burner.

Description: Patent introduces the inventor's specific improvements to oil-burning stoves. The air and oil are fed into the chamber of the stove and thoroughly mixed before burning.
Date: August 24, 1920
Creator: Beckman, William
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