ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,114, issued on July 15, was assigned to Siemens AG (Munich).
"Compact vacuum interrupter" was invented by Frank Graskowski (Wandlitz, Germany), Ulf Schumann (Dallgow-Doberitz, Germany) and Alexander Ziefle (Potsdam, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compact vacuum interrupter has an insulator element, a moving contact connection, a fixed contact connection, a moving contact, and a fixed contact. The moving contact has a moving contact rod and a moving-contact contact element. The fixed contact has a fixed contact rod and a fixed-contact contact element. The moving contact is formed with a material that is mechanically stronger...