Composition of Matter for the Welding and Soldering of Articles Constructed of Aluminum. (open access)

Composition of Matter for the Welding and Soldering of Articles Constructed of Aluminum.

Patent for composition of aluminum, lead, block tin and zinc to be used for "welding and soldering articles constructed of aluminum" (line 95).
Date: September 11, 1917
Creator: Wells, Clarance Charles
System: The Portal to Texas History
Crude Oil Refining Process (open access)

Crude Oil Refining Process

Patent for the refinement of crude oil, producing refined oil in an economic manor.
Date: November 11, 1919
Creator: Evens, Jewett G. P.
System: The Portal to Texas History
Hairpin (open access)

Hairpin

Patent for preventing "the accidental displacement of the dislodgment of the pin from the hair of the wearer." (Lines 11-12).
Date: September 11, 1919
Creator: Nalle, Charles R. of Forth Worth, TX
System: The Portal to Texas History
Involuting Drawing Instrument (open access)

Involuting Drawing Instrument

Patent for drawing instrument intended for drawing involuting curves. Includes illustration and instructions.
Date: August 11, 1914
Creator: McCaskill, Oscar E.
System: The Portal to Texas History
Well Drilling Bit (open access)

Well Drilling Bit

Patent for a well drilling bit. Illustration included.
Date: February 11, 1913
Creator: Byron, Marcus A. & English, Harry White
System: The Portal to Texas History
Liquid-Fuel Burner (open access)

Liquid-Fuel Burner

Patent for a fuel burner for stoves and heaters. Illustrations included.
Date: April 11, 1911
Creator: Pearson, Lemuel O.
System: The Portal to Texas History
Post Card (open access)

Post Card

Patent for a post card. Illustration included.
Date: October 11, 1910
Creator: Graham, Tilghman
System: The Portal to Texas History
Silo. (open access)

Silo.

Patent for a new silo design made of hollow tiles "to provide dead-air spaces within the tile, for the purpose of preventing the rapid passing of heat or cold through the tile" (lines 13-16) including instructions and illustrations.
Date: August 11, 1914
Creator: Sellors, Edward M.
System: The Portal to Texas History
Double-Acting Pump-Jack (open access)

Double-Acting Pump-Jack

Patent for a double acting pump jack for artesian wells.
Date: June 11, 1912
Creator: Pittman, William T.
System: The Portal to Texas History