Filtration device

Liquid purification or separation – Diverse distinct separators – Including a filter

Reexamination Certificate

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Details

C055S520000, C096S154000, C210S489000, C210S494100, C210S497010, C210S502100

Reexamination Certificate

active

09712085

ABSTRACT:
The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achieving a low pressure drop are also disclosed.

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