Aerodrome (open access)

Aerodrome

Patent for an aerodrome. Illustrations included.
Date: June 6, 1911
Creator: Mayhew, Nathaniel L.
System: The Portal to Texas History
Drilling-Machine (open access)

Drilling-Machine

Patent for a rotary drilling machine for drilling oil wells that has a stronger grip than previous drills.
Date: August 6, 1912
Creator: Black, Lee J.
System: The Portal to Texas History
Feed-Cooler (open access)

Feed-Cooler

Patent for a feed-cooler "relates to driers, and more especially to those having vertical shafts; and the object of the same is to produce a machine for cooling and drying molasses feed, hot grain or any granular feed substance or material containing heat or moisture or both" (lines 12-18).
Date: July 6, 1915
Creator: Josey, Jackson E. & Miller, Rudolph C.
System: The Portal to Texas History
Safety Oil-Tank (open access)

Safety Oil-Tank

Patent for improvements to safety oil tanks to prevent explosions, including illustrations.
Date: May 6, 1913
Creator: Smith, James H.
System: The Portal to Texas History
Heater (open access)

Heater

Patent for a new and useful heater design "particularly for heating the water in the circulating system of internal combustion engines, such as are used in automobiles" (lines 10-12). Illustrations are included.
Date: June 6, 1916
Creator: Smith, Frederick C.
System: The Portal to Texas History
Furnace. (open access)

Furnace.

Patent for improvements to furnaces which use oil-fueled, stationary or locomotive boilers.
Date: July 6, 1915
Creator: Wilson, George W.
System: The Portal to Texas History