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:
May. 10, 1988
Filed:
Jul. 28, 1987
Applicant:
Inventors:
Kenneth J Williamson, Corvallis, OR (US);
Perry L McCarty, Stanford, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210786 ; 210661 ; 210792 ; 210797 ; 210807 ; 210150 ; 210265 ; 210269 ; 210274 ; 210528 ;
Abstract
Liquid which has been partially clarified in the settling zone of a clarifier tank is channelled through a filtration compartment containing a buoyant particulate filtration media. The media particles are periodically agitated so that trapped solids are separated from the media and retained in the clarifier tank.