Aquarium filter system

Details Aquarium filter system Aquarium filter system

2011-04-26

2011-04-26

Prince, Fred (Department: 1776)

Liquid purification or separation

Structural installation

Closed circulating system

C210S167260, C210S905000, C119S259000, C119S261000

Reexamination Certificate

active

07931801

ABSTRACT:
An aquarium filter system mainly has a base and an uprightly mounted filtering cylinder; the filtering cylinder is provided therein with a pump unit, it can be optionally used to spray forceful water jet on the surface board of the base or to pump air into the filtering cylinder to form air bubbles in water in the filtering cylinder; after filtering, seawater in an aquarium can be kept clean.

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patent: 7785476 (2010-08-01), Newman
patent: 58-166911 (1983-10-01), None
patent: 7-50953 (1995-02-01), None

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