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. 15, 2011
Filed:
Dec. 05, 2005
Applicants:
David J. Elliott, Wayland, MA (US);
Hem K. Pokharel, Somerville, MA (US);
Inventors:
David J. Elliott, Wayland, MA (US);
Hem K. Pokharel, Somerville, MA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bacteria deactivation device that has a porous medium through which water and bacteria contained in the water, likeand fecal coliform, are passed. Colloidal silver within the medium deactivates bacteria that pass therethrough. The medium has a porosity up to 80% and pores sized to provide flow rates up to 8 liters per hour while meeting Environmental Protection Agency limits for human consumption of silver.