Resource Type

Composition Fuel (open access)

Composition Fuel

Patent for "a new and useful improvement in composition fuel, the object being to produce fuel in compact form which will burn quickly, rapidly generating an intense heat, and leaving but a small quantity of a residue or ash" (lines 10-15).
Date: January 15, 1901
Creator: Patterson, Warren A.
System: The Portal to Texas History
Car Coupling (open access)

Car Coupling

Patent for a rail cars coupler. Illustrations included.
Date: January 15, 1907
Creator: Howell, Jordan M. & Walker, Abraham L.
System: The Portal to Texas History
Combined Ventilator and Chimney. (open access)

Combined Ventilator and Chimney.

Patent for a new and improved combined ventilator and chimney. This design consists in "[a] combined ventilator and chimney . . . composed of a central flue surrounded by an annular air-chamber, in the top and bottom of which are openings, flange, and case, provided with a water-shed or apron, in combination with [a] section consisting of a flue or chimney, having its lower end inserted in the flue of the ventilator and extending therefrom above the roof, and covered with a cap or caps, and its juncture with the ventilator protected by a downward-projecting hood" (lines 38-49).
Date: January 15, 1884
Creator: Matthews, William F.
System: The Portal to Texas History
Electric Time Switch (open access)

Electric Time Switch

Patent for an electric time switch. This invention allows for an automatic opening of an electric line at a predetermined time. Illustration included.
Date: January 15, 1907
Creator: Chappel, James M.
System: The Portal to Texas History
Fuel-compressor. (open access)

Fuel-compressor.

Patent for crushing fuel and introducing a combustible liquid, the combination of which is compressed by a vibrating plunger to create fuel blocks suitable for easy handling.
Date: January 15, 1901
Creator: Patterson, Warren A.
System: The Portal to Texas History