UNT Libraries Government Documents Department - 60 Matching Results

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Apparatus for Washing and Scrubbing Gas.

Description: Patent for a washer-scrubber that cleans gas from "tarry matter, ammonia, sulphureted hydrogen, carbonic acid and other impurities" (lines 14-16). The machine divides gas into streams, sprays it with washing liquor, spreads it over reticulated and perforated plates.
Date: March 7, 1893
Creator: Fitzgerald, John H.
Item Type: Refine your search to only Patent

Automatic Water Trap for Cisterns and Other Receptacles.

Description: Patent for a new and improved water-trap. This design consists in "the combination, with a bent main pipe, of a vessel secured on the said main pipe and connected at its top with the interior of the said main pipe, a pin held on the bottom of the said vessel, a fixed sleeve provided with a spiral groove and engaged by said pin, a grooved pin held in the said fixed sleeve and resting at its top end on the bottom of the said pin, a roped connected with the said grooved pin, and a weight held on t… more
Date: August 7, 1888
Creator: Pickering, Charles H.
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling-press. This design has for its object "to provide a press in which the material to be baled can be compressed into bales of the desired sizes, and then emptied from the baling-box by tilting up the tail-board, which is provided with angle irons to catch under the bale" (lines 15-20).
Date: August 7, 1888
Creator: Hoop, Friedrich W. J. & Isaac, Joseph
Item Type: Refine your search to only Patent

Casing-Head

Description: Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.
Date: September 7, 1920
Creator: McGarry, Henry S. & Carr, John D.
Item Type: Refine your search to only Patent

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

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

Elevator

Description: Patent for a new and improved elevator that has “a locking device for securing the jaws of the elevator around the pipe to be lifted” (lines 11-13), including illustrations.
Date: March 7, 1916
Creator: Simmons, Wise F. & Levy, Christin W.
Item Type: Refine your search to only Patent

Flexible Scraper.

Description: Patent for a new and improved flexible scraper. This design "consist[s] of the concave board, the sheet of rubber secured by bolts to the concave face of the board, the handle, the sockets secured to the convex face of the board and handle, respectively, and the braces" (lines 52-57).
Date: December 7, 1886
Creator: Kaelin, Albert J.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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

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
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