Liquid purification or separation – Structural installation – Closed circulating system
Patent
1975-06-12
1976-11-30
Granger, Theodore A.
Liquid purification or separation
Structural installation
Closed circulating system
210221R, 210240, 210244, 210320, E04H 320
Patent
active
039948110
ABSTRACT:
A replaceable protein skimmer and carbon filtration unit is disclosed for use with a vertical lift aquarium filtration system. The normal flow path through the vertical lift to returning the air-water mixture to the aquarium is diverted through an integrally formed plastic unit housing a carbon filtration chamber through which the diverted air-water mixture passes.
REFERENCES:
patent: 1055082 (1913-03-01), Rogers
patent: 3294239 (1966-12-01), Dayes
patent: 3616919 (1971-11-01), Feddern
patent: 3719278 (1973-03-01), Kolfertz
patent: 3850806 (1974-11-01), Cohen
Cohen Harvey Kenneth
Conn Arnold Franklin
Berger Peter L.
Granger Theodore A.
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