Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate
2007-02-06
2007-02-06
Lithgow, Thomas M. (Department: 1724)
Liquid purification or separation
With means to add treating material
Directly applied to separator
C210S181000, C210S186000, C210S167150, C210S198100, C210S249000, C210S416200, C210S130000
Reexamination Certificate
active
11312314
ABSTRACT:
A multifunctional filtering device for an aquarium mainly includes a filter box for being suspended at an aquarium. The filter box includes a pump motor for producing mixture of water and air and a vortex flow generator disposed at the center of the inner side of the bottom thereof and in communication with a water outlet disposed at the pump motor. A bubble collector is disposed at the top of the vortex flow generator. The filter box may be suspended inside or outside the aquarium. The filter box includes a water input pipe unit and a water output pipe unit which may be differently configured in accordance with the suspension position of the filter box. The water output pipe unit may be further disposed with a heating rod or ultraviolet sterilization lamp for heating or sterilizing breeding water in the aquarium.
REFERENCES:
patent: 3947362 (1976-03-01), Etani
patent: 5078867 (1992-01-01), Danner
patent: 5164089 (1992-11-01), Preston
patent: 5203990 (1993-04-01), Gargiulo
patent: 5385665 (1995-01-01), Neuhaus
patent: 5484525 (1996-01-01), Mowka, Jr.
patent: 5562821 (1996-10-01), Gutierrez-Collazo
patent: 5736034 (1998-04-01), Phillips et al.
patent: 5776335 (1998-07-01), Overath
patent: 6303028 (2001-10-01), Marks et al.
patent: 6732675 (2004-05-01), Liao
patent: 6808625 (2004-10-01), Wu
patent: 7022227 (2006-04-01), Liao
Lithgow Thomas M.
Vigil Thomas R.
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