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:
Sep. 30, 2025
Filed:
Sep. 12, 2024
Daikin Industries, Ltd., Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
An air filter medium includes a resin having a plurality of first convex portions protruding from a first surface of the filter medium in an air flow direction relative to the filter medium and a plurality of second convex portions protruding from a second surface that is a back surface of the first surface of the filter medium in the air flow direction. The total projected area of the plurality of first convex portions and the plurality of second convex portions in a case where an entirety of the filter medium is projected in the air flow direction is 50% or more and 100% or less of a projected area of the entirety of the filter medium in a case where the entirety of the filter medium is projected in the air flow direction.