Multifunctional internal marine aquarium filter

Details Multifunctional internal marine aquarium filter Multifunctional internal marine aquarium filter

2005-03-22

2005-03-22

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

With means to add treating material

Directly applied to separator

C210S167150, C210S249000, C210S151000, C210S202000, C210S416200, C119S263000, C119S264000

Reexamination Certificate

active

06869530

ABSTRACT:
An internal marine aquarium filter that provides within a single enclosure protein skimming, biological, mechanical and chemical filtration where the unit creates direct adjustable current for the aquarium independent of the activities of filtration and uses one interchangeable pump which can be of different size and manufacture. The unit is comprised of an outer casing with dedicated areas for biological, mechanical and chemical filtration, a removable protein skimmer with collection cup and lid, a removable plumbing assembly connected to a submersible pump, which performs filtration, protein skimming and creates a direct adjustable water current inside the aquarium independent of all other functions, and has sponge filters that provide a place for biological activity. The function and configuration of the unit perform vertically as to minimize its size, wherein the resulting benefits thereof are of compactness, efficiency, reliability, quietness, multifunctionality, ease of use, economics, aesthetics and overall performance.

REFERENCES:
patent: 3669883 (1972-06-01), Huckstedt et al.
patent: 5078867 (1992-01-01), Danner
patent: 5282962 (1994-02-01), Chen
patent: 5385665 (1995-01-01), Neuhaus
patent: 5800704 (1998-09-01), Hansen
patent: 6808625 (2004-10-01), Wu

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