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.
Patent No.:
Date of Patent:
Mar. 02, 2010
Filed:
Aug. 15, 2007
Applicants:
Daniel A. Newman, Salem, VA (US);
Donald Barry Huehn, Blacksburg, VA (US);
Inventors:
Daniel A. Newman, Salem, VA (US);
Donald Barry Huehn, Blacksburg, VA (US);
Assignee:
Tetra Holding (US), Inc., Blacksburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 63/04 (2006.01); C02F 3/04 (2006.01); B01D 24/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter cartridge including a filtering body having first and second porous filter walls. The second porous filter wall having a density that is different than the first porous filter wall. The density of the second porous filter wall being defined by interstitial spaces. The filter cartridge further including discrete chemically filtering particles that are captured within the interstitial spaces of the second porous filter wall when the filtering body is in a vertical filtering orientation.