Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
Reexamination Certificate
2004-05-14
2008-09-23
Lithgow, Thomas M (Department: 1797)
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With spaced non-particulate separating means
C210S223000, C210S282000
Reexamination Certificate
active
07427355
ABSTRACT:
A water treatment unit for positioning in a sport bottle or container for treating water includes a prefilter section, a pretreatment section, a treatment section and a post treatment section. A first chamber in the pretreatment section contains a first treatment medium which comprises at least one loose particulate medium through which the water to be treated flows in a vertical upward direction during treatment to lift the medium. A second chamber in the treatment section contains a second treatment medium through which the treated water flows in a radial horizontal direction during treatment. And a third chamber in the post treatment section contains a third treatment medium through which the water to be treated flows during treatment.
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Cook Alex Ltd.
Lithgow Thomas M
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