7 Matching Results

Search Results

Car Coupling.

Description: Patent for a new and improved design for freight car coupling. This design calls for a sliding block, with the assistance of metal pins, to lock the link between two freight cars firmly in place. This eliminates the possibility of accidental disconnect.
Date: January 11, 1881
Creator: Upson, Bolivar J.
Partner: UNT Libraries Government Documents Department

Railway Car.

Description: Patent for improvements in railway car design to protect passengers against train robberies by a combination of "several walls of the compartment and doors connected therewith bullet-proof lining, and in providing several walls and doors, each with a series of port-holes" (lines 27-31) from which occupants can fire weapons in defense with accompanying illustrations.
Date: January 8, 1889
Creator: Warren, Gerald Patrick
Partner: UNT Libraries Government Documents Department

Fire-Escape

Description: Patent for "a fire-escape and observation-tower, which may be raised or extended at any point, or be lowered and compactly folded for transportation" (lines 7-10).
Date: January 15, 1889
Creator: Rüllmann, John D.
Partner: UNT Libraries Government Documents Department

Mold and Mold Hoisting Apparatus for Building Concrete Walls.

Description: Patent for a new and improved apparatus for hoisting concrete. This design consists in "[t]he combination of shaft, drum, rope, and bar with the mold formed of [the] plank and with [the] frame . . . [t]he planks of the mold, made with rabbeted ends and provided with clamps . . . [and] [t]he combination of angle-pieces, bars, and clamping-screws with the mold-planks . . . [and] [t]he combination, with the planks of a concrete-mold having beveled ends, of angle-pieces, also having beveled-ends, a… more
Date: January 6, 1885
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department

Telephone-Transmitter

Description: Patent for improvements to telephone transmitters by transmitting the sound waves into electrical currents.
Date: January 16, 1883
Creator: Crawford, Witsius A.
Partner: UNT Libraries Government Documents Department

Door Check.

Description: Patent for a new and improved door check. This design "consists in providing the door with a sliding rod, which is adapted to be actuated so as to engage with a retaining-block attached to the floor by the knob-shank, which is provided with a dog for raising and lowering the rod" (lines 17-22).
Date: January 13, 1885
Creator: Niggli, Emil
Partner: UNT Libraries Government Documents Department

Bench Clamp.

Description: Patent for a new and improved bench clamp. This design, "[b]eing made of iron or other suitable material . . . is strong, durable, and inexpensive. It requires no bolts or screws to secure it to the work-bench or other object where its use may be required, and can be put in position and removed easily and quickly. It occupies but little room on account of its compactness, and can be applied to any piece of work without marring it" (lines 72-80).
Date: January 25, 1881
Creator: Murphy, James
Partner: UNT Libraries Government Documents Department
Back to Top of Screen