UNT Libraries Government Documents Department - 9 Matching Results

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Car Coupling

Patent for a car coupling "which greatly facilitate the connection of two car couplings having the improvements and adapt the knuckle of the car coupling to automatically swing open when free to do so." (line 12-16)

Date: May 26, 1903

Creator: Yeiser, John Clarke

Churn and Freezer

Patent for a churn that may also be used as an ice cream freezer. Illustrations included.

Date: May 26, 1908

Creator: Lambie, Robert Common

Crude-Oil Burner

Patent for an oil feeder designed to burn crude oil. It features a carbon deposit chamber and a vent pipe.

Date: May 5, 1903

Creator: Hartung, Theodore A.

Electric Heater for Metal Workers.

Patent for a electric heater for heating metal in preparation for welding. Consists of a bath of sal ammonia and water with a layer of graphite on top that the metal is placed into and then electric current is turned on which heats the metal to a weldable temperature.

Date: May 7, 1907

Creator: Luthy, Joseph Otto

File-Wrapper and Package Fastener.

Patent for securing expansible envelopes and file wrappers with a flexible cord.

Date: May 15, 1900

Creator: Davis, Frederick Clarke

Generating Oil Burner

Patent for generating oil burner. This invention "relates to apparatus by which steam is generated and petroleum or a hydrocarbon reduced to vaporous condition and mixed or combined with the steam" (line 8-12). Illustrations included.

Date: May 23, 1905

Creator: Spiller, Philip Samuel & Haldeman, Horace P.