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:
Aug. 12, 1997
Filed:
Apr. 12, 1996
Applicant:
Inventors:
Terrel F Spencer, Lake Geneva, WI (US);
W Sean Gallagher, Lake Geneva, WI (US);
Assignee:
Sta-Rite Industries, Inc., Delavan, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210206 ; 210209 ; 210501 ;
Abstract
A filter cartridge has an inner filter element and an outer filter element concentric therewith. The filter elements define a water flow space between them and a container of sanitizing granules is positioned in the space. The granules kill waterborne bacteria that come into contact therewith. In a more specific embodiment, the container is in a riser tube positioned in the water flow space. In another embodiment, the cartridge includes two riser tubes, each holding a container of sanitizing granules. In the alternative, one riser tube holds a container of an oxidizer such as chlorine or bromine pellets.