UNT Libraries Government Documents Department - 12 Matching Results

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Improvement in Hot-Air, Steam, and Water-Gauge.

Description: Patent for improvements in hot air, harmonic steam, and water gauges: "In this invention several tubes pass through the boiler, some under and some above the water, through which currents of air are induced by the heat of the water or steam surrounding them" (lines 8-9).
Date: October 8, 1867
Creator: Walker, James C.

Bee Feeder.

Description: Patent for a new and improved bee feeder. This design consists in "the vertically oblong box or case having an opening in one side of its lower end, a trough or basin projecting in front of said lower opening, and lateral attaching flanges or wings" (lines 68-72).
Date: February 8, 1887
Creator: McWilliams, Wright H.

Oil Press Mat.

Description: Patent for a new and improved oil press mat. This design "consists in a mat for oil-presses having its leaves composed of paper-pulp molded by dies or molds into the requisite shape to present a hard and inelastic body to the meal to be pressed, said leaves of molded paper-pulp being provided with a leather backing" (lines 18-24).
Date: April 8, 1884
Creator: Osborn, Adelbert E.

Oil Press Mat.

Description: Patent for a new and improved oil press mat. This design "has for its objects to provide an improved oil-press mat which can be pressed and shaped into a compact body of the required configuration, and such shape be retained when subjected to pressure to compress heated envelops containing the meal from which the oil is to be extracted, and to provide a mat the face of which is elastic and tough, and liable to become heated, like like metal face-plates, while the main body of the mat is prevented from being softened and peeling or becoming detached from the facing" (lines 8-19).
Date: July 8, 1884
Creator: Osborn, Adelbert E.

Safety-Elevator.

Description: Patent for a elevator with a safety feature to prevent the car from falling rapidly to the bottom of the shaft if a cable breaks.
Date: March 8, 1910
Creator: Dunlap, Henry William & Lumbley, Joseph Slater

Hydraulic Milk Cooler

Description: Patent for a hydraulic milk cooler. This invention is shrouded in coolant agent absorbing material that is hydraulically applied to keep dairy products cool. Illustrations included.
Date: December 8, 1903
Creator: Womble, Zachariah C.

Clothes-Pin.

Description: Patent for Clothes Pin made of galvanized wire that will remain normally on the line. It will also prevent the adjacent pins from becoming tangled together. It's twisted portions adapted for riding content with the line to hold the pin in operative position.
Date: April 8, 1913
Creator: Perry, Cornelius Doctor & Wosnig, Walter, E.