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. 23, 1978
Filed:
Dec. 26, 1972
Applicant:
Inventor:
Ernst Fuchs, Schmerikon, CH;
Assignee:
Mecafina SA, Schmerikon, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ; B01D / ;
U.S. Cl.
CPC ...
210151 ; 210297 ; 210356 ; 210391 ; 210402 ;
Abstract
An installation for the mechanical-biological purification of waste water or sewage incorporating at least one biological stage and one post-clarification stage, the post-clarification stage incorporating a filter. The filter is a drum filter having a filter surface wherein at the inflow or deposit side thereof there engages a suction nozzle which extends transversely with respect to the direction of relative movement between the filter surface and the suction nozzle.