UNT Libraries Government Documents Department - 7 Matching Results

Search Results

Automatic Fuel-Changing Valve.

Description: Patent for Automatic Fuel Changing Valve. The purpose of the invention is to provide a mechanism that switches to another gas supply when the one which is feeding the system runs low.
Date: March 26, 1918
Creator: Connelly, John S.

Crate or Box.

Description: Patent for "a crate or box of knockdown form consisting of a crate or box made of separable sections and bound together by wires and stay-bolts that are loosely set into the sections" (line 11-16) including instructions and illustrations.
Date: September 26, 1905
Creator: Hines, Warren H.

Journal-Box

Description: Patent for a journal box that requires no disassembly to be replenished. Illustrations included.
Date: July 26, 1910
Creator: McFadden, John M.

Oil-Burner.

Description: Patent for oil burner adapted for using heavy oil (with wide flat flame) for distribution (wide flat flame with adjustable burner tip).
Date: April 26, 1921
Creator: Chadbourne, Vaughn, R.

Process of Making Aromatic Hydrocarbons

Description: Patent for an invention that relates to processes of making aromatic hydrocarbons, and comprises a method of producing lower boiling aromatic hydrocarbons.
Date: June 26, 1917
Creator: Alexander, Clive M.

Street-Cleaner.

Description: Patent for a connection with the suction-head portion of pneumatic street sweepers that provides a dust or dirt disturbing element in the form of a brush or broom.
Date: December 26, 1905
Creator: Duke, Holmes

Telephone System.

Description: Patent for a telephone system that can be used for long distance calls.
Date: September 26, 1911
Creator: McKibben, Charles W.
Back to Top of Screen