Improvement in Plows. (open access)

Improvement in Plows.

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.
System: The Portal to Texas History
Improvement in Cotton and Corn Planters. (open access)

Improvement in Cotton and Corn Planters.

Patent for a new and improved cotton and corn planter design with an axle that has agitators, including illustrations.
Date: December 10, 1878
Creator: Hall, James Madison
System: The Portal to Texas History
Buckle. (open access)

Buckle.

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.
System: The Portal to Texas History
Safety-Valve. (open access)

Safety-Valve.

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
System: The Portal to Texas History
Milk-Warmer (open access)

Milk-Warmer

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.
System: The Portal to Texas History