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. 20, 1999
Filed:
Feb. 11, 1997
Applicant:
Inventors:
Gary D Clark, Norman, OK (US);
Johnny H Wong, Gastonia, NC (US);
Christopher L Loafman, Gastonia, NC (US);
Michael D Adams, Bessemer City, NC (US);
Assignee:
Dana Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210206 ; 210209 ; 210446 ; 2104931 ;
Abstract
An inline cartridge filter for treating coolant liquid used to cool industrial application such as cooling towers and chillers, combustion engine includes an annular filter media disposed around a cylindrical biological control element which includes a biocide for controlling the growth of bacteria and a pH control agent for controlling the growth of algae in the coolant liquid. The filter media and biological control element form a disposable filter element which is mounted in a housing.