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Machine for Cleaning Pipe-Lines
Patent for a machine for cleaning pipe-lines. The machine uses the pipeline as a track, traveling along the track cleaning the pipeline.
Date:
July 1, 1919
Creator:
Kinzbach, Frank
System:
The Portal to Texas History
Fire-Extinguishing Device.
Patent for fire extinguishing devices to "supplying steam to the fluid so that oxygen sufficient to support combustion will not reach the flame" (lines 14-16).
Date:
July 6, 1920
Creator:
Byrd, Williman Harvey
System:
The Portal to Texas History