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. 24, 2020
Filed:
Apr. 25, 2017
Applicant:
Nilfisk A/s, Broendby, DK;
Inventor:
Anders Foenss, Gistrup, DK;
Assignee:
NILFISK A/S, Broendby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/12 (2006.01); B01D 46/00 (2006.01); B01D 46/10 (2006.01); B01D 46/52 (2006.01); A47L 9/10 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0005 (2013.01); A47L 9/10 (2013.01); A47L 9/122 (2013.01); B01D 46/10 (2013.01); B01D 46/521 (2013.01); B01D 2271/022 (2013.01); B01D 2271/027 (2013.01); B01D 2279/55 (2013.01);
Abstract
A filter element for a dirt suction device is provided, with a filter frame, on which a filter medium is attached, wherein on the filter frame, a continuous seal is arranged, the inner circumferential surface of which is arranged on an outer circumferential surface of the filter frame and has a section that radially protrudes over the filter frame, wherein a groove is arranged on a front side of the protruding section of the seal, and that a sealing surface is arranged on the opposite front side of the protruding section of the seal.