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
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
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
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