ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,793, issued on Oct. 14, was assigned to Camfil AB (Stockholm).
"Pleated filter element for air filter" was invented by Fredrik Seger (Ronninge, Sweden), Richard Ringstrom (Dalsofors, Sweden), Kenny Hedlund (Trosa, Sweden) and Mageshvaran Muthu Krisnan (Parit, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to pleated filter element comprising: a pleated filter media comprising a major upstream face and a major downstream face and comprising a plurality of oppositely-facing pleats extending between said major upstream face and said major downstream face such that the pleated filter media comprises a first corrug...