UNT Libraries Government Documents Department - 304 Matching Results

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Automatic Safety Target.

Description: Patent for a target device for pistols and rifles which allows for the motion of the target being hit to move another target into view.
Date: August 3, 1920
Creator: Briggs, George F.

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.

Building Construction.

Description: Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.
Date: September 28, 1920
Creator: Laughlin, Edward A.

Combination Dripper and Steeper

Description: Patent for a beverage steeper where a strainer is provided to hold the material used for preparation, such as tea or coffee. The strainer is designed to lower into the coffee pot to allow for steeping and can be raised out of the water and affixed to the top of the pot for draining.
Date: January 25, 1921
Creator: Nicholls, George Habberton

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

Cuff-Link.

Description: Patent for new and useful improvements in cuff links that do not separate from sleeves and help with any decoration.
Date: August 17, 1920
Creator: Hall, James L.

Rail Joint

Description: Patent for improved rail joints to lock rail sections together against accidental displacement with illustrations.
Date: August 15, 1918
Creator: Stewart, Amon Leslie

Refrigerating Machine.

Description: Patent for a refrigerating machine that works with a double jacketed brine cylinder with a self-contained expansion tank for the coolant. It is meant to provide cooling with small displacement of the cylinder, but with great circulation of the brine.
Date: December 31, 1918
Creator: Bell, Samuel R.

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J

Dynamo Electric Machine

Description: Patent for Improvement of Dynamo-Electric Machines. The improvement turns electric energy into mechanical entry.
Date: August 10, 1920
Creator: Reynolds, W.T.

Attachment for Motor-Vehicles

Description: Patent for an attachment for motor vehicles, specifically for Ford cars but compatible with any car, where the attachment prevents the reverse movement of the car's crank.
Date: August 12, 1919
Creator: Daniel, Ulysses S.

Utilization of Acid-Coke

Description: Patent for the utilization sulfuric acid in the creation and uses of acid-coke.
Date: January 7, 1919
Creator: George L. Pichard

Demountable Rim.

Description: Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.
Date: April 27, 1920
Creator: McPherson, Arthur Edison

Book-Holding Device

Description: Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond

Roof Structure.

Description: Patent for an improved roof structure that has "movable panels in the roof and side walls... to permit of manual adjustment to regulate the temperature, light, and moisture" (lines 10-14). This patent includes instructions and illustrations.
Date: October 29, 1918
Creator: Simon, Jacob P.

Heel-Sweep.

Description: Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."
Date: December 16, 1919
Creator: Kelly, George Dudley

Coaling Device.

Description: Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.
Date: June 22, 1920
Creator: Buchanan, Stewart Harold

Float-Controlled Liquid-Gaging and Cut-Off Means.

Description: Patent for an automatic cut off device for oil tanks that indicates the amount of water in an oil tank and will automatically close the discharge opening when all the water has been discarded from the tank.
Date: June 29, 1920
Creator: Waldrep, Granville J.

Burner.

Description: Patent for improvements in burners to allow them to use liquid fuel such as oil.
Date: June 1, 1920
Creator: Placette, Joeseph G.

Hydraulic Swivel.

Description: Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date: March 22, 1921
Creator: Black, Lee J.

Grain-Car.

Description: Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date: March 15, 1921
Creator: Dukes, Sandy

Manufacture of Aluminum Chloride.

Description: Patent for the manufacture of Aluminum Chloride that can be carried out at lower temperatures with aluminum ore or compound, such as bauxite, sulfur and chlorine, and involves no cooking.
Date: July 11, 1922
Creator: Hall, Frank W.

Traveling Block.

Description: Patent for a traveling block construction. The invention resides in the combination and arrangement of parts and in the details of construction that provide a novel form of nut to be positioned on the ends of the supporting shaft of the block, the nuts being hollowed out to provide oil chambers for supplying the shaft with a lubricant.
Date: December 16, 1920
Creator: Boykin, Burwell Jr.
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