Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate
2007-07-10
2007-07-10
Drodge, Joseph (Department: 1723)
Liquid purification or separation
With means to add treating material
Directly applied to separator
C055S301000, C055S492000, C210S409000, C210S436000, C210S448000, C210S485000
Reexamination Certificate
active
10797290
ABSTRACT:
A self-cleaning, back-washable filter apparatus and method for use with a pumping apparatus which is at least partially immersed in fluid. The filter apparatus may comprise a vibration device that is powered by a flow of fluid. A method for filtering a flow of fluid is also disclosed, comprising vibrating a filter by applying a flow of fluid to the filter.
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Drodge Joseph
Gordon Construction Inc.
Knobbe Martens Olson & Bear LLP
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