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:
Jan. 24, 2023
Filed:
Sep. 04, 2019
N P Innovation Ab, Malmö, SE;
Nils-Åke Persson, Malmö, SE;
N P INNOVATION AB, Malmo, SE;
Abstract
Bio-filter unit () intended for a fish farming system, said bio-filter unit () comprising a container () with a filter media () and an inner architecture, said inner architecture comprising at least one vertical tube () having an open input end () and an open output end (), wherein the bio-filter unit () is connected to a pump () enabling pumping liquid and filter media () from a bottom () of the container () against a top () of the container () through said at least one vertical tube (), wherein an upper plate () is arranged inclined downwards from and around the open output end () of the at least one vertical tube () and ends at a distance from a wall () of the container, wherein the upper plate () Is perforated and wherein a regeneration water outflow () is arranged under the upper plate ().