US Patent Issued to SWISSto12 on March 24 for "Combline waveguide filter including cavity resonators coupled by irises, where the cavity resonators are each defined by a shape that is non-rectangular" (Swiss Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,882, issued on March 24, was assigned to SWISSto12 SA (Renens, Switzerland).

"Combline waveguide filter including cavity resonators coupled by irises, where the cavity resonators are each defined by a shape that is non-rectangular" was invented by Stefano Sirci (Lausanne, Switzerland), Esteban Menargues Gomez (Preverenges, Switzerland) and Santiago Capdevila Cascante (Renens, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combline waveguide filter obtained by additive printing, including several resonators connected to each other by irises. Each resonator includes a cavity with a longitudinal axis, a transverse axis and a vertical axi...