UNT Libraries Government Documents Department - 53 Matching Results

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Advertising Device.

Description: Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.

Apparatus for Oiling Railway-Tracks.

Description: Patent for improvements in mechanism for “applying oil to curves and switches of street railway tracks” (lines 6-7) by using an “oil-tank [that] is arranged in the upper position of the hood or shield over the car-wheel. The valve is in the bottom of the oil-space and may be controlled by a lever arranged to turn or lift in the valve, and under the valve is arranged the oiling-wheel, which runs lightly on the track or face of the car-wheel and applied the oil." (Page 2, lines 69-76) Includes il… more
Date: August 4, 1891
Creator: Ennis, Thomas L.

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.

Belt Elevator and Conveyer.

Description: Patent for bucket conveyers to maximize the frictional engagement between the transverse curvature of the inner surface of the belt and the periphery of the pulley.
Date: August 8, 1916
Creator: Marston, Frederick

Billiard Cue

Description: Patent for an improved billiard cue with a tip that can be quickly and easily removed and replaced by another and that will be adapted to hold a quantity of powdered chalk for use when needed.
Date: August 30, 1898
Creator: Farrand, James W.

Car-Truck.

Description: Patent for a car truck for use on trains, which can withstand heavy loads and high speeds.
Date: August 25, 1908
Creator: Mayo, William C.

Clamp for Molds.

Description: Patent for improved clamp, which releases quickly when facilitating mold removal.
Date: August 14, 1917
Creator: Watson, Henry

Coating Apparatus and Mathod.

Description: Patent for a new apparatus into which long objects such as pipes can be placed, dipped into coating material, and spun so that objects are coated evenly.
Date: August 24, 1920
Creator: Watrous, Edward L.

Combined Cigar-Clipper and Match-Box.

Description: Patent for a combined cigar-clipper and match-box "in which the matches will be delivered with a regular feed, so that it will be highly inconvenient for persons to carry away more than one or two matches" (lines 10-13).
Date: August 18, 1896
Creator: Campo, Ysidro Del

Continuous Vacuum Dehydrator.

Description: Patent for improvements in speed, cheapness, and more efficiency in continuous-vacuum dehydration and filtering for the purpose of extracting valuable ores with water including instructions and illustrations.
Date: August 20, 1918
Creator: Biesel, Charles

Crate for Shipping Bananas.

Description: Patent for a crate for shipping bananas that does not hurt the fruit during shipping. The crate separates the bunches so the bananas do not get crushed, and the crate is ventilated to prevent decay.
Date: August 11, 1896
Creator: Andrews, Otis

Depurator

Description: Patent for a depurator. "This invention realtes to an improved vacuum apparatus for medicinal purposes" (line 11-12). Illustrations included.
Date: August 4, 1903
Creator: Richards, Lloyd H.

Derrick.

Description: Patent for improvements to derricks, specifically those used on the decks of ships and other vessels, to prevent the structure from becoming entangled with fall ropes or cables during operation.
Date: August 19, 1919
Creator: Scanlan, Thomas J.

Dirigible Headlight

Description: Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.

Economy Air-Brake Apparatus

Description: Patent for improvements to railway air-brake apparatuses, including specifications for such improvements.
Date: August 3, 1915
Creator: Canion, William G.

Electric Track-Brake.

Description: Patent for an electric train brake, which allows trains to not slow down on curves without derailing and allows faster emergency braking.
Date: August 25, 1908
Creator: Mayo, William C.

Extracting Metals from Ores

Description: Patent for the extraction of metals from ores by developing an improvement to the cynid process.
Date: August 20, 1918
Creator: Biesel, C.

Fiber Cleaning Machine

Description: Patent for a machine for removing the bark or husk and pulp from fibrous plants. This machine promises to be smaller and more efficient than earlier models.
Date: August 22, 1911
Creator: Vaughn, Henry L.

Figured Toy

Description: Patent for a toy consisting of two human-like figures hanging from a wire that will move when directed by a crank.
Date: August 10, 1915
Creator: Zivley, Dennis Corwin

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito

Flying-Machine

Description: Patent for a flying machine that is designed to have a lower center of gravity to facilitate more stable operation.
Date: August 19, 1913
Creator: Bell, Frank M.

Garment-Supporter

Description: Patent for a hose supporter for garments. Illustrations included.
Date: August 30, 1910
Creator: Zelman, Joseph
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