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Dynamo Electric Machine

Description: Patent for Dynamo Electric Machine. "in our improved dynamo-electric machine we combine in the armature the advantages due to iron wire and to separated disks or flat rings, and then binding them together at equal intervals." (lines18-23)
Date: April 3, 1888
Creator: Crowdus, Walter A. & Sutton, Henry M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Disinfecting Device.

Description: Patent for improvements made in the design of disinfecting devices in order to create "a simple and inexpensive apparatus ... effective in evaporating and distributing disinfectants, liquid perfumes or other fluids" (lines 10-13), including illustrations and a description. The device is designed to "discharge a regular supply" (line 14) of fluids, be of "strong, durable, simple" (lines 25-26) construction, and make visible the amount of disinfectant remaining in the device.
Date: June 3, 1913
Creator: Hitchcock, Olga M.
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Partner: UNT Libraries Government Documents Department

Shaft-Tug.

Description: Patent for an improvement of harness and shaft-tugs by providing a sleeve to fit the tug closely, a bolt to secure the tug and a strap clamps to the shaft; for the purpose of limiting the movement of the tug. Illustration is included.
Date: February 3, 1891
Creator: Davies, Thomas William & Downey, George Marshall
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Partner: UNT Libraries Government Documents Department

Metallic Packing.

Description: Patent for metallic packing made up of metal rings and rubber rings for putting around pistons and related objects, which has shields for the rubber rings to prevent them from being eaten by oil.
Date: August 3, 1909
Creator: Rhodes, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Disintegrating-Machine.

Description: Patent for "bodily revolving a mass of fibrous material over a disintegrating member whereby a shearing action is had and the material disintegrated." (lines 13-16)
Date: December 3, 1918
Creator: Patterson, Warren A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Alarm.

Description: Patent for a simple and efficient electric alarm to be used for vault protection. It is a magnet, which is a better design than a coil. The magnet is suspended between two points, and a spring that pushes it in one direction. There is an armature that causes friction when it slides, and sounds an alarm when the arm moves in one direction.
Date: September 3, 1895
Creator: Hull, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Disk-Bearing for Disk Plows or Similar Implements.

Description: Patent for improvement in disk-bearings for disk plows by using a secure substantial bearing, in which it will resist the side strain of cutting the ground, be capable of ready adjustment, and permit the utmost freedom of revolution. (Lines 13-18) Illustration is included.
Date: March 3, 1903
Creator: Hendon, Walter Preston
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Front-Wheel Drive

Description: Patent for an invention that relates to front wheel driving mechanism. This invention is to provide simple and reliable driving mechanism between the engine and each of the front wheels of a motor vehicle.
Date: July 3, 1917
Creator: Smith, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sound Record Tablet

Description: Patent for a sound record tablet. This device is designed to allow "sound grooves may be in the form of a volute and in which space for a label is provided" (line 11-13). Illustration included.
Date: December 3, 1912
Creator: Moses, Jacob B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed-planter.

Description: Patent for a machine that can plant any kind or size of seed or grain at any desired distance apart.
Date: December 3, 1878
Creator: Hoshall, David W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Removable Pass-Book.

Description: Patent for a book with a removable cover that lies flat when open and fits within a pocket. Particularly suited for bank books, also known as passbooks.
Date: May 3, 1921
Creator: Exline, Marcus P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Screen-Hanger.

Description: Patent for a screen hanger with a hook for a half window screen and a hook for a full window screen on each end of it.
Date: March 3, 1908
Creator: Rust, Emory G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Folding Landing-Gear for Aircraft.

Description: Patent for improvement in folding landing-gears for an aircraft. Once the aircraft is at the sustention in the air, the wheels and attendant parts will fold up into the aircraft.
Date: February 3, 1920
Creator: McCarroll, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar-Alarm.

Description: Patent for an improved burglar alarm to attach to a door or window with a "simple locking device for the hammer" so that the alarm can be transported and reinstalled safely (lines 15-16).
Date: June 3, 1902
Creator: Moody, Winfield H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Caster and Insect Guard Combined.

Description: Patent for a new and improved combined caster and insect guard for furniture. This design consists "[i]n a combined caster and insect guard, the combination, with a suitable spindle, of a segmented cup or vessel having a central upwardly-extending bearing for such spindle, and provided on its under side with a recess the edges of which are provided with bearings for a wheel or caster" (lines 95-101).
Date: March 3, 1885
Creator: Michalson, Lewis Abraham
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for "a new and use-ful improvement in churns , and its objects among other things , are to provide a simple device more durable in construction than heretofore and one which is cheap of manufacture, may be readily operated and cleaned, and is adapted to keep contents thereof at a desired temperature" (lines 12-19) including illustrations.
Date: July 3, 1900
Creator: Welke, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn

Description: Patent for an improvement to churns; this invention provides a churn in which milk is thoroughly agitated via the opposite rotation of two dashers, and will simultaneously allow for observation of the churning operation via a glass vessel.
Date: November 3, 1914
Creator: Anderson, Samuel C. M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drafting Implement

Description: Patent for drafting implement, for laying out or plotting curves of different degrees and combining the functions of a plurality of implements into a single implement.
Date: January 3, 1922
Creator: Tanner, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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