UNT Libraries Government Documents Department - 574 Matching Results

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Description: Patent for a combination tool that provides "a novel form of tool-head arranged to interchangeably carry a plurality of tools of different characters, whereby the single tool-head may be employed in various capacities" (lines 8-12), including illustrations.
Date: January 30, 1906
Creator: Spicer, John R.


Description: Patent for a type of parachute that may be used for a balloon, air ship, or a window of a building as a method of fire escape. The design is such that the parachute may be stored in a compact, unobtrusive way while not in use. This is made possible by mounting multiple parachutes, one above the other, in varied diameter.
Date: November 28, 1911
Creator: Mayes, Aceph, B.

Ventilating Apparatus.

Description: Patent for a ventilating apparatus for railway cars for the purpose of supplying air to railway car interiors without needing to open a window (which tends to also let in smoke and dust), including illustrations.
Date: March 6, 1906
Creator: Parrish, Ezekiel L.


Description: Patent for a plow fender, which allows a plow to be operated next to plant rows without injuring them and deflects rocks and other obstacles.
Date: October 22, 1907
Creator: Skidmore, John C.

Ice-Cream Freezer.

Description: Patent for an improvement on ice cream freezer design in which casing an cream receptacles are mounted within the freezer unit. Special features include to agitate the cream receptacles as well as a mechanism keeping the freezing brine in constant circulation, resulting in an consistency in the quality and texture of the ice cream throughout.
Date: November 28, 1911
Creator: Hedges, Harry J.


Description: Patent for improvements in safety-stirrups by providing a device to release the rider’s foot safely if the rider accidentally fall from a horse; and means to retain the movable member of the stirrup in its closed or open position. (Lines 10-17) Illustration is included.
Date: March 22, 1904
Creator: Parrish, Ezekiel L.


Description: Patent for improvements in cultivator-plow through the positioning and connection of parts. Adjustable plow for different cultivating functions and different crops, especially for cotton. Illustration and materials recommendations included.
Date: March 18, 1902
Creator: Sheffield, James A. D. & Sheffield, John C.


Description: Patent for a new and improved truss for relieving or supporting hernia, including instructions and illustrations.
Date: August 22, 1899
Creator: Oliver, Zebulon


Description: Patent for a spring motor intended to operate churns. It has a quality which allows it to be stopped or interrupted during its operation.
Date: November 28, 1911
Creator: Murdock, John F.


Description: Patent for trace carrier for a plow "especially designed to support the trace adjustably in a vertical direction, so as to vary the line of the draft upon the plow and also provide a guide and support for the reins" (lines 9-13), including illustrations.
Date: September 25, 1900
Creator: Smith, William F.