Resource Type
Counties
3 Matching Results
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Rotary Engine
Patent for "a simple and efficient construction of engine including two parallel series of piston-heads and wherein steam will be supplied to the heads of each series alternately" (lines 9-13).
Date:
July 9, 1901
Creator:
Keith, Jonathan
System:
The Portal to Texas History
Oil-Burner.
Patent for a device which effectively burns "kerosene, gasoline, naphtha or crude oil" (lines15-16) in a bunsen-burner fashion that is also easy to manufacture and cheap to maintain.
Date:
July 20, 1915
Creator:
Veach, Joshua H.
System:
The Portal to Texas History
Railway Frog
Patent for railway frog which "will tend to minimize the danger of train derailment at switch crossings" (lines 12-13).
Date:
July 30, 1918
Creator:
Jackson, George Ferris
System:
The Portal to Texas History