Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate
2007-10-30
2007-10-30
Smith, Duane (Department: 1724)
Liquid purification or separation
With means to add treating material
Directly applied to separator
C210S150000, C210S241000, C210S532200, C220S001500, C220S023910
Reexamination Certificate
active
11109820
ABSTRACT:
A standard 20 ft or 40 ft sea-freight shipping container is configured as a septic tank, or as an aerobic trickle filter station. The shipping-container is lined with a watertight shell or liner. The liner may be a preferabricated separate structure inserted into the container, and supported from the container walls. Or, the liner may be actually constructed inside the container, again taking mechanical support from the container walls. The openable doors at the end of the standard container are retained, a wall being added to the shipping-container a foot or two inside the doors to form the tank, leaving a utility room for pipework, valves, pumps, etc.
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Smith Duane
Theisen Douglas J.
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