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. 24, 2004
Filed:
Oct. 12, 2002
Applicant:
Inventors:
Ronald W. Haynes, Shirley, AR (US);
David William Sale, Heber Springs, AR (US);
Randall May, Mountain View, AR (US);
Assignee:
Professional Dental Manufacturing, Batesville, AR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/504 ;
U.S. Cl.
CPC ...
B01D 3/504 ;
Abstract
A drinking water filter assembly has a filter cartridge which includes a filter element contained in a pressure vessel for unitary disposal, the cartridge received on a base containing attachment fittings for ease in installation and replacement with limited exposure to contaminants during a filter change. A flow powered flow meter is provided which measures the quantity of flow through the filter for alerting the user to replace the filter cartridge.