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:
Jul. 02, 2019
Filed:
Jun. 07, 2018
Applicant:
Helen of Troy Limited, St. Michael, BB;
Inventor:
Michael Donovan Mitchell, Franklin, MA (US);
Assignee:
Helen of Troy Limited, St. Michael, BB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); C02F 1/42 (2006.01); B01D 39/20 (2006.01); B01D 24/22 (2006.01); B01D 39/16 (2006.01); B01J 20/28 (2006.01); B01D 27/02 (2006.01); C02F 1/00 (2006.01); B01J 20/10 (2006.01); B01J 20/02 (2006.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
C02F 1/42 (2013.01); B01D 24/22 (2013.01); B01D 27/02 (2013.01); B01D 39/163 (2013.01); B01D 39/2024 (2013.01); B01J 20/28028 (2013.01); C02F 1/003 (2013.01); C02F 1/288 (2013.01); B01J 20/0211 (2013.01); B01J 20/10 (2013.01); C02F 1/283 (2013.01); C02F 2001/425 (2013.01); C02F 2101/20 (2013.01); C02F 2201/006 (2013.01); C02F 2307/04 (2013.01); C02F 2307/10 (2013.01);
Abstract
Embodiments of a gravity filter for potable water comprise a loose filter bed comprising ion exchange resin particles and activated carbon particles, and a porous non-woven filter substrate disposed downstream of the loose filter bed, wherein the porous non-woven filter substrate comprises an impregnated heavy metal scavenger.