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. 27, 2007
Filed:
Jul. 26, 2002
Applicant:
Antonio Giangrasso, Nuremberg, DE;
Inventor:
Antonio Giangrasso, Nuremberg, DE;
Assignee:
Pfleiderer Water Systems GmbH, Neumarkt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an aerator consisting of a porous plastic moulded body with pores that are smaller on the air outflow side (A) than on the air inflow side (B) lying opposite. The inventive aerator is particularly suitable for use in sewage treatment plants.