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COUPLING PATENT
This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Date:
July 10, 1919
Creator:
Hiegel, Joseph L.
System:
The Portal to Texas History
Boiler-Skimmer.
Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date:
October 14, 1919
Creator:
Phillips, Eugene N. & Dick, Harvey H.
System:
The Portal to Texas History
Frame for Jaw Crushers
Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date:
March 25, 1919
Creator:
Easton, William B. & Cole, David
System:
The Portal to Texas History