UNT Libraries Government Documents Department - 157 Matching Results

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Hoeing-Machine.

Description: Patent for dual drive hoeing machine. Machine utilizes a "carriage, support brackets, journaled drive shaft, crank arm and gyrating arm" (p. 3, lines 31-34). The machine produces straight rows and eliminates side draft (p.1, 15-19)
Date: December 1, 1914
Creator: Ashely, John F.
Item Type: Refine your search to only Patent

Doubletree.

Description: Patent for a simple, inexpensive, and durable double tree that utilizes the entire force of the strain and divides it equally between the animals.
Date: December 11, 1894
Creator: Beaver, Francis Marion
Item Type: Refine your search to only Patent

Telephone System.

Description: Patent for, "telephone system; and it has for one object to provide such an arrangement of the instrument and wiring as will permit a subscriber to converse with a second subscriber" (lines 8-12).
Date: December 11, 1900
Creator: Bennett, William W.
Item Type: Refine your search to only Patent

Water Cooler.

Description: Patent for a new and improved water cooler. This design "consist[s] of the outer vessel having the removable cover provided centrally with an aperture, the inner vessel supported on legs centrally within the outer vessel and provided with perforated shelves, the keepers for locking the two vessels at a regulated distance apart concentric with each other, and the removable cap to the inner vessel provided with a vertical tube communicating with the interior of the inner vessel and passed through… more
Date: December 3, 1889
Creator: Clark, James P.
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Nozzle

Description: Patent for improved head component to nozzles used for spraying liquid paint remover, steam, sand, and other such substances.
Date: December 14, 1920
Creator: Cleveland, David P.
Item Type: Refine your search to only Patent

Artificial Hand-Grip.

Description: Patent for an improvement to artificial hand-grips that includes a pair of jaws that attaches to an artificial arm and allows wearers to perform various activities.
Date: December 31, 1918
Creator: Corley, Quentin D.
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Plow

Description: Patent for a plow that is convertible into different types (turning plow). The plow is distinct for its moldboards, carrying handle and runner.
Date: December 8, 1914
Creator: Cowan, Robert J.
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Surgical Splint

Description: Patent for a surgical splint, which is semi-rigid so that the instrument is rigid enough to maintain its shape and tension, but with a construction that includes softer materials like rubber so that it can be adjusted without causing pain or discomfort. Patent includes illustrations.
Date: December 14, 1920
Creator: Crawford, Lyter H. & Prante, John H.
Item Type: Refine your search to only Patent

Oil Can.

Description: Patent for a new and improved oil can. This design "relates to that class of oil-cans which are used for supplying lubricating material to various kinds of machinery, and which usually consists of a can or receptacle having an orifice through which it may be filled, and a tapering spout for supplying the lubricant to the place where it is needed; and the invention has for its object to produce an oil-can which shall be specially designed for lubricating vehicle-axles, and which shall possess su… more
Date: December 15, 1885
Creator: Denton, Winfield Scott
Item Type: Refine your search to only Patent
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