Flexible Joint. (open access)

Flexible Joint.

Patent for a flexible joint for rigid pipes that allows the pipes to be taken around a bend or moved around easily in the operation of a sand pump or hydraulic dredging machine.
Date: July 7, 1908
Creator: Brown, Martin William
System: The Portal to Texas History
Means for Laying Dredging-Pipes. (open access)

Means for Laying Dredging-Pipes.

Patent for a method of laying dredging pipes, which allows ships to pass through without removing them, allows air to release from the pipes to prevent movement of the pipes during pumping, a method of removing the contents before taking them out of the water, and an easy method removing the pipes completely.
Date: July 21, 1908
Creator: Smith, Phillip S.
System: The Portal to Texas History