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Landing Device for Aeroplanes.

Description: Patent for improvements in landing devices for aeroplanes that can be controlled by the aviator and adjusted with the direction of the plane's movement as it lands.
Date: September 7, 1920
Creator: Martin, Ernest L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle Signal

Description: Patent for a vehicle signal. Intent of signal is to improve visibility of rear vehicle turn signals.
Date: September 7, 1916
Creator: Reynolds, Rohde
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Heating Attachment for Internal-Combustion Motors.

Description: Patent for a water heating attachment for internal combustion motors that will allow the cooling fluid in said motors to remain heated even when the motor is at rest, especially during freezing temperatures, including illustration.
Date: December 7, 1920
Creator: Clayton, Oscar B. & Oberwetter, George T.
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Partner: UNT Libraries Government Documents Department

Try-Square.

Description: Patent for try squares which provides certain improvement in try squares. "The aim of the present improvement is to provide means for continuing a scribe or mark around the edge of a board or piece of timber to correspond to a main indication accurately on both sides without changing the position of the square, and, further, to have the main blade of the square constructed for gaging or ruling by the provision therein of apertures to receive the point of a pencil or other marking device" (lines… more
Date: October 7, 1902
Creator: Pugh, Samuel Ress
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Partner: UNT Libraries Government Documents Department

Improvement in Screw-Taps.

Description: Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and tapping holes of different sizes" (lines 29-32) with illustrations and instructions.
Date: November 7, 1876
Creator: Melvin, Josiah Walter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Gas-Furnaces and Forges.

Description: Patent for "an apparatus in which the gases from one or more forges, instead of passing off unconsumed into the atmosphere, enter a furnace and are burnt therein, thereby furnishing heat for the generation of steam in a boiler connected with said furnace, which steam is used to drive a fan that impels a blast into each forge, and is also used to propel an engine that operates a hammer, the exhaust from the engine being conducted to the tuyeres of the forges through pipes in which are placed red… more
Date: November 7, 1871
Creator: Morris, Joseph R.
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Partner: UNT Libraries Government Documents Department

Trick-Pipe.

Description: Patent for a trick pipe, which has a lid over the pipe bowl that ordinarily would blow off when the pipe is blown into, but when put in the trick position will seal itself on no matter how hard the person blows.
Date: April 7, 1908
Creator: Judson, Fred Irving
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire-Armor.

Description: Patent for a new design "in armor or protectors for pneumatic tires" (line 13) including instructions and illustrations.
Date: March 7, 1911
Creator: Ramsay, Henry M.; McGary, Austin & Campbell, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for an improvement in rotary boring drill that will prevent head from wobbling sideways in the hole being drilled.
Date: March 7, 1916
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for an improved oil burner design that uses steam to heat and vaporize the oil, mixing with the oil for more efficient burning, including an illustration.
Date: April 7, 1914
Creator: Tinkham, George F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Doll.

Description: Patent for a doll that will be durable and attractive by constructing a rigid form of the human bust and shoulders which serves to make these parts more durable, including illustrations and instructions.
Date: May 7, 1912
Creator: Baker, Marie K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Disk Plow.

Description: Patent for "a new and useful improvement in disk plows, the object being to construct a plow of the kind described in which the resistance encountered by the main cutting or master disk in operation is counteracted by oppositely-disposed disks, one of which acts as a subspoiler, the other as a jointer, making a partial penetration of the land, which is followed by the master-disk in the succeeding furrow." (Lines 24-33) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Stewart, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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