ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,810, issued on April 22, was assigned to PHOENIX CONTACT GMBH & Co. KG (Blomberg, Germany).
"Interference filter arrangement with surge protection" was invented by Hannes Sagebiel (Hameln, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The object of the invention is interference filter arrangements with surge protection having, an input for a conductive phase and a neutral phase of a three-wire alternating-current voltage system, an output for a protected conductive phase and a protected neutral phase of a three-wire alternating-current voltage system, at least one terminal for a protective earth, at least one first coil arranged as a filter ...