GENEVA, Dec. 22 -- HITACHI ENERGY LTD (Brown-Boveri-Strasse 58050 Zurich) filed a patent application (PCT/EP2025/064056) for "CONTACT SYSTEM FOR AN ON-LOAD TAP CHANGER AND ON-LOAD TAP CHANGER" on May 22, 2025. With publication no. WO/2025/256881, the details related to the patent application was published on Dec 18, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): MANEV, Georgi (Sofia, Oborishte str.1A1504 Sofia), VASILEV, Borislav (Sofia, Gergina str. 11271 Sofia), NIKOLOV, Veselin (Nadejda 3, block 306, ap.811220 Sofia)
Abstract: A contact system (1) for a tap changer comprises a first and...