Liquid purification or separation – Filter – With flow controller for material being treated
Patent
1975-09-23
1977-09-06
Spear, Jr., Frank A.
Liquid purification or separation
Filter
With flow controller for material being treated
210DIG23, B01D 3502
Patent
active
040466965
ABSTRACT:
An improved extracorporeal circuit blood filter of the type using filter media in the form of a cartridge wherein the improvement comprises an internal bypass directly through the cartridge. The bypass is actuated should the filter media become blocked.
REFERENCES:
patent: 935113 (1909-09-01), Judge
patent: 2143655 (1939-01-01), Heller
patent: 3545616 (1970-12-01), Aspinwall et al.
patent: 3618776 (1971-11-01), Kudlaty
patent: 3701433 (1972-10-01), Krakauer et al.
Burks Richard W.
Johnson & Johnson
Purolator Inc.
Spear, Jr. Frank A.
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