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Rail-Joint

Description: Patent for an improved rail joint that doesn't need bolts.
Date: August 17, 1920
Creator: Ryan, George R. & Ryan, William M.
Partner: UNT Libraries Government Documents Department

Pipe Coupling.

Description: Patent for pipe coupling in which the ends of pipes have interlocking attachments which can be both dissembled and reinforced for protection against accidental disengagement.
Date: August 17, 1920
Creator: McCullar, Willie A. & Ayraud, Jules J.
Partner: UNT Libraries Government Documents Department

Trombone.

Description: Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Partner: UNT Libraries Government Documents Department

Separator for Secondary Batteries.

Description: Patent for separators, made of celluloid or similar material, designed to separate secondary or storage batteries in an efficient and affordable way.
Date: February 17, 1920
Creator: Luthy, Josesph O.
Partner: UNT Libraries Government Documents Department

Peanut-Planter

Description: Patent for an improved peanut planting machine with illustrations.
Date: February 17, 1920
Creator: Harnsberger, Joseph Adam
Partner: UNT Libraries Government Documents Department

Signaling Device.

Description: Patent for a signaling device for vehicles, also known as a turning signal. This invention is meant to allow the signaling device to be seen by the driver of the vehicle and the driver of a vehicle approaching the turning vehicle.
Date: February 17, 1920
Creator: Wetter, Ralph E.
Partner: UNT Libraries Government Documents Department

Sod Cutting and Disintegrating Machine.

Description: Patent for a sod cutting and disintegrating machine that has a wheel-supported frame, inclined elevator, plow attached to the elevator, front truck, and disintegrating rollers.
Date: August 17, 1920
Creator: Thompson, Robert L.
Partner: UNT Libraries Government Documents Department

Hand Harvester.

Description: Patent for a hand harvester that contains a plate and cutter to be used for harvesting corn and maize with more ease.
Date: August 17, 1920
Creator: Taylor, Joseph S.
Partner: UNT Libraries Government Documents Department

Shovel-Plow.

Description: Patent for the improvement of the shovel plow. The improvement of the shovel plow allows for the adjustment of the plow height as needed.
Date: February 17, 1920
Creator: Urban, John
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for the improvement of existing rail joints by creating a tie or bond at the end of rails to allow them to lock together. The improved rail joint will make the use of bolts and nuts, or other connectors unnecessary when connecting rails.
Date: February 17, 1920
Creator: Ryan, William M.
Partner: UNT Libraries Government Documents Department

Bed.

Description: Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date: August 17, 1920
Creator: Hellweg, Rudolph F.
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.
Partner: UNT Libraries Government Documents Department

Water-Level.

Description: Patent for an instrument to determine a level at widely distant points or determining inclinations and which may be correctly read under conditions where a level cannot be held erect. Also known as hydrostatic leveling, this instrument is comprised of flexibly connected liquid containers that are spaced apart at certain distances.
Date: August 17, 1920
Creator: Kaspar, John & Beran, Rud F.
Partner: UNT Libraries Government Documents Department

Heating Apparatus.

Description: Patent for a heating apparatus that heats and dries sand or other abrasive materials. A furnace or heating member is attached to a receptacle, which heats and dries the materials. Materials are drawn out via a suction pipe.
Date: August 17, 1920
Creator: Cleveland, David P.
Partner: UNT Libraries Government Documents Department

Combination Steeper and Dripper.

Description: Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.
Date: May 17, 1920
Creator: Nicholls, George Habberton
Partner: UNT Libraries Government Documents Department

Lock-Nut.

Description: Patent for a nut lock that secures two nuts of a pair within a tubular casing through opposing threading and rotation, where one nut is immobilized and the other remaining adjustable to meet situational need. Illustrations included.
Date: February 17, 1920
Creator: Greer, Benjamin J.
Partner: UNT Libraries Government Documents Department

Roller-Distributor.

Description: Patent for the invention of a roller distributor, or roller cam, that can "provide novel means whereby friction will be reduced" (lines 12-13) through the use of "a novel spring means being employed" (lines 13-14) in certain affordable, widely used vehicles.
Date: August 17, 1920
Creator: Lopez, Bruno
Partner: UNT Libraries Government Documents Department

Electrical Testing Device.

Description: Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for improving railway rail joints "without the use of fish plates or clamping bolts" (lines 12-13) and for quick and secure assembly "by any person without previous skill or knowledge" (lines 24-25).
Date: August 17, 1920
Creator: Fenske, Paul J.
Partner: UNT Libraries Government Documents Department

Adjustable Split Lock-Nut or Union.

Description: Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date: August 17, 1920
Creator: Dickinson, Harry E.
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

Railroad-Signal

Description: Patent for a railroad signal which will prevent train collisions at railway crossings, with illustrations.
Date: February 17, 1920
Creator: Humphrys, Sidney E.
Partner: UNT Libraries Government Documents Department

Rotary-Razor

Description: Patent for rotary razors that includes a rotating blade that approaches and passes over the skin to avoid cuts or scrapes. The blade on the razor is tilted too far out to cause cuts and scrapes, yet it provides a sufficient shave.
Date: August 17, 1920
Creator: Jones, Sidney P.
Partner: UNT Libraries Government Documents Department

Bit Cleaner

Description: Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
Partner: UNT Libraries Government Documents Department
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