UNT Libraries Government Documents Department - 6 Matching Results

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Aerodrome

Patent for an aerodrome. Illustrations included.

Date: June 6, 1911

Creator: Mayhew, Nathaniel L.

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.

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.

Furnace.

Patent for improvements to furnaces which use oil-fueled, stationary or locomotive boilers.

Date: July 6, 1915

Creator: Wilson, George W.

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.

Safety Oil-Tank

Patent for improvements to safety oil tanks to prevent explosions, including illustrations.

Date: May 6, 1913

Creator: Smith, James H.