US Patent Issued to DAIKIN INDUSTRIES on Sept. 30 for "Air filter medium, air filter pack, and air filter unit" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,459, issued on Sept. 30, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Air filter medium, air filter pack, and air filter unit" was invented by Takashi Kimura (Osaka, Japan), Yoshiyuki Shibuya (Osaka, Japan) and Satoshi Hara (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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...