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:
Oct. 29, 2024
Filed:
Jun. 08, 2020
Applicant:
N P Innovation Ab, Malmö, SE;
Inventor:
Nils-Åke Persson, Malmö, SE;
Assignee:
N P innovation AB, Malmo, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 33/067 (2006.01); B01D 29/03 (2006.01); B01D 33/073 (2006.01);
U.S. Cl.
CPC ...
B01D 33/067 (2013.01); B01D 29/03 (2013.01); B01D 33/073 (2013.01); B01D 2201/605 (2013.01);
Abstract
The present invention relates to a filter panel () intended for a drum filter (), said filter panel () having multiple filter holes () wherein each filter hole () has a length L and a width W, wherein at least a substantial amount of the filter holes () has a length L which is at least 1.5 times the width W, wherein the filter panel () has a free surface area which is higher than 81%, preferably at least 83%, more preferably at least 85%, on a side of the filter panel () intended to be in contact with a filter cloth of the drum filter ().