UNT Libraries Government Documents Department - 5 Matching Results

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Improvement in Plows.

Description: Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use as a subsoil-plow, as a turning-plow, as a scraper and cultivator, and as a scraper, cultivator, and hiller, and which shall be simple in construction and effective in operation in either capacity." (Lines 11-18) Includes instructions and illustrations.
Date: October 10, 1876
Creator: Newton, John R.
Item Type: Refine your search to only Patent

Buckle.

Description: Patent for a new and improved buckle. This design consists in "[t]he combination, with [a] frame, having [a] hook on [a] cross-piece and [a] tongue on [another] cross-piece, of a loop or keeper, arranged on the under side of frame and between the two cross-pieces" (lines 69-73).
Date: April 10, 1883
Creator: Thomas, Floyd W.
Item Type: Refine your search to only Patent

Safety-Valve.

Description: Patent for an improved safety valve for boilers that consists of a valve chamber with a socket at its bottom, a valve seat with a steam outlet, a valve in the socket, a steam inlet tube that passes through and below the valve, a piston mounted in a guide chamber, a spring that holds the piston, a guide chamber with a valve seat, and a steam cylinder.
Date: October 10, 1893
Creator: Cameron, Charles Hoyle
Item Type: Refine your search to only Patent

Milk-Warmer

Description: Patent for Milk-Warmer that heats "milk with the purpose of souring the same in preparation of the milk for churning" (lines 10-12).
Date: September 10, 1918
Creator: Ault, Ella A.
Item Type: Refine your search to only Patent
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