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Well-Drilling Apparatus
Patent for a well-drilling apparatus granted to Eli Catlin which is simpler and more convenient to use as well as being less expensive.
Date:
November 27, 1883
Creator:
Catlin, Eli
System:
The Portal to Texas History
Rotary Engine
Patent for "a new and improved rotary engine which is simple and durable in construction and very effective in operation, using the steam expansively and to the fullest advantage, at the same time being adapted to compound engines" (lines 8-12).
Date:
November 5, 1889
Creator:
Akers, William P.
System:
The Portal to Texas History
Rotary Engine.
Patent for a steam rotary engine, which is a reversible engine.
Date:
November 3, 1908
Creator:
Risley, Ward
System:
The Portal to Texas History