The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 29, 2009

Filed:

Aug. 15, 2007
Applicants:

Donald Barry Huehn, Blacksburg, VA (US);

Joseph Roark, Blacksburg, VA (US);

Jeffrey Warden, Raleigh, NC (US);

Inventors:

Donald Barry Huehn, Blacksburg, VA (US);

Joseph Roark, Blacksburg, VA (US);

Jeffrey Warden, Raleigh, NC (US);

Assignee:

Tetra Holding (US), Inc., Blacksburg, VA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An aquarium filter having a filter housing with a rounded bottom. The filter housing including a housing input that directs water into an interior chamber such that the water sweeps across the rounded bottom to reduce or eliminate dead spots and reduce particulate settlement.


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