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. 09, 1993
Filed:
Mar. 04, 1992
Applicant:
Inventors:
Hiroshi Ishida, Kodaira, JP;
Yutaka Yamada, Sakai, JP;
Kiyoshi Izumi, Takatsuki, JP;
Masashi Moro, Kobe, JP;
Assignee:
Kubota Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C02F / ;
U.S. Cl.
CPC ...
210791 ; 2101952 ; 210232 ; 210256 ; 210295 ; 21032175 ; 2103232 ; 210332 ;
Abstract
An activated sludge treating apparatus for use in treating wastewater, such as gray water and sewage. A plurality of filter membrane modules are vertically arranged in parallel at predetermined intervals within a treating tank. The water to be treated which is stored in the treating tank is separated into solid and liquid by the filter membrane modules, and water that has passed through the filter membrane modules is extracted as treated water. An agitating device is disposed at a level below the filter membrane modules.