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:
Jun. 28, 1994
Filed:
Aug. 24, 1990
Applicant:
Inventors:
Shoji Watanabe, Hitachi, JP;
Kenji Baba, Hitachi, JP;
Ichiro Enbutsu, Hitachi, JP;
Hayao Yahagi, Hitachi, JP;
Harumi Matsuzaki, Hitachi, JP;
Mikio Yoda, Ibaraki, JP;
Naoki Hara, Hitachi, JP;
Yoshikatsu Asada, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210614 ; 210709 ; 210745 ;
Abstract
Suspended substances, such as active sludge, in a liquor is treated in an apparatus for treating the liquor by predicting a suspension state on the basis of an amount of existing suspended substances in the liquor.