Resource Type
Decade
5 Matching Results
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Controlling System for Motor Traction-Cars
Patent for a controlling system for motor traction cars which is automatic.
Date:
November 1, 1910
Creator:
Mayo, William C.
System:
The Portal to Texas History
Apparatus for Making and Laying Continuous Concrete Pipe
Patent for a motorized construction vehicle which has a cement mixer and a trench digger on it that allows for the continuous laying of concrete pipes for irrigation.
Date:
March 22, 1910
Creator:
Wiggins, John L.
System:
The Portal to Texas History
Combustion Apparatus
Patent for a combustion apparatus that will maximize the heat produced with any given amount of fuel.
Date:
December 14, 1920
Creator:
Anderson, Robert James
System:
The Portal to Texas History
Dirigible Headlight
Patent for rotating combination lamp and spindle.
Date:
February 6, 1917
Creator:
Wogenstahl, Leo J.
System:
The Portal to Texas History
Ore Concentrator
Patent for a "machine for separating ores of precious metals, and particularly to that class of machines known as 'dry concentrators or separators,' used for separating fold ore by means of an air-blast over dry sand, gravel, quartz, etc." (lines 10-15). Illustrations and instructions are included.
Date:
August 17, 1897
Creator:
Waer, Luis M.
System:
The Portal to Texas History