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Compound Air-Compressor.

Description: Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustration included.
Date: April 17, 1906
Creator: Hall, Samuel N. & Lawlor, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Truck.

Description: Patent for a truck or hand cart useful for loading and unloading at depots. This hand cart has has a hand actuated lift for lifting objects to the height of the loading vehicle.
Date: November 17, 1919
Creator: Thomas, Theodore G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Strainer.

Description: Patent for a well strainer, which has wire screen that is wound around the form without the use of soldering.
Date: September 17, 1907
Creator: Basye, Edwin J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locomotive Headlight.

Description: Patent for a new and improved train headlight. This design "has for its object to improve locomotive head-lights by so constructing the reservoir and burner and mounting the same that they may be easily removed from and connected with the reflector without moving the latter; and it consists of a reservoir for the head-light having certain features of novelty and in various improvements in the apparatus as a whole" (lines 11-19).
Date: May 17, 1892
Creator: Jobling, Lance L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Truck

Description: Patent for a traction truck that minimizes jarring of the truck bed.
Date: October 17, 1911
Creator: Haight, Washington Z.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Curing Moss

Description: Patent for invention relates to new and improved process of curing Spanish moss object of the invention being to shorten the time here to fore deemed necessary to properly cure the moss, second to obtain a larger percentage of higher grades of fiber will not be injured but will appear in a sound healthy condition, and fourth to so treat the moss that any desired grade of fiber may be obtained. [5-15]
Date: April 17, 1887
Creator: Lottman, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulphur-Mining Apparatus.

Description: Patent for a thermal solvent based sulfur mining apparatus that is placed in a sulfur mining well. Utilizing thermodynamics, the apparatus has a new way to introduce air or steam into the various parts of the apparatus. It is designed with "simplicity and durability of construction" (lines 49-50).
Date: December 17, 1918
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Float-Valve.

Description: Patent for a float valve not using slots and links, including illustrations.
Date: August 17, 1915
Creator: Garrott, John Collier
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Record-Book.

Description: Patent for a record book using primary and secondary indexing tabs for improving classification of documents.
Date: December 17, 1918
Creator: Sumners, Gustavus D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing Machine.

Description: Patent for a new and improved washing machine. This design consists "[i]n a washing machine, the combination, with the trough, of the casing secured to one end thereof, the rotating steam-chamber, and the shaft provided with the diaphragm and arranged to take steam in one end, deliver the same through the openings to the steam-chamber, and exhaust through the boxing and opening on the outer side of the diaphragm" (lines 39-47).
Date: November 17, 1885
Creator: Kone, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Rail Tie.

Description: Patent for a new and improved railway-rail tie. This design consists "of a railway-rail tie provided with a transverse recess, projection, the transverse slots, and the apertures leading from the recesses to the slots, the retaining-blocks fitting in the apertures, and keys working in the slots and adapted to press the retaining-blocks against the flange and web of the rail" (lines 71-78).
Date: December 17, 1889
Creator: Jones, Richard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door Hanger.

Description: Patent for a new and improved hanger for doors and gates. This design consists in "the brackets secured to a door or gate way at intervals apart and having the horizontal supporting arms, the track made of angle-iron and having the horizontal treadway secured to the arms of the brackets, and the upwardly-extending flange at the outer edge of the treadway, and the hangers secured to the door or gate and having their upper portions bent to form an inverted U-shaped yoke or frame, and rollers jour… more
Date: May 17, 1887
Creator: Charlton, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drapery Support and Form

Description: Patent for a new kind of drapery system that keeps the drapes pleated neatly and allows drapes to open and close easily with metal fasteners.
Date: February 17, 1914
Creator: Jantzen, Marius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dental Handpiece.

Description: Patent for an improvement on a dental handpiece that is made of fewer parts and is cheaper to make. It makes insertion and removal of the drill easier, and keeps the drill in place more securely.
Date: August 17, 1920
Creator: Graves, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Carbon Holder for Electric Arc Lamps

Description: Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date: March 17, 1914
Creator: Lacy, Benjamin Burton & Elrod, Henry E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Box-Fastener

Description: Patent for a box fastener that works to fasten the lid automatically when the lid is placed on the box.
Date: January 17, 1893
Creator: Fisher, Charles N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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