B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/13.2
B01D 29/00 (2006.01) B01D 35/04 (2006.01)
Patent
CA 1126663
P-309 IMPROVED HOUSEHOLD WATER FILTER ABSTRACT The invention provides a water filter, particu- larly suited for household use, with valving which enables either a bypass mode or a filtering mode. During the filtering mode the water flows through a number of filtering layers one of which is a microporous membrane and during the bypass mode the water flows parallel to and against the membrane so as to cleanse the membrane of material accumulated thereon during the filtering mode.
341141
Hauk Dale I.
Presswood William G.
Tanny Gerald B.
Pall Corporation
Smart & Biggar
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