Electric Arc Furnace Power Supply System For An Ac Electric Arc Furnace

Patent No. EP4609670 (titled "Electric Arc Furnace Power Supply System For An Ac Electric Arc Furnace") was filed by ABB Schweiz on Jan 16, 2024. The application was issued on Mar 25, 2026.

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
GE ENERGY POWER CONVERSION TECHNOLOGYJul 24, 2026CASALONGA

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents

EP4609670

ABB SCHWEIZ
Application Number
EP24701545A
Filing Date
Jan 16, 2024
Status
Granted And Under Opposition
Feb 20, 2026
Publication Date
Mar 25, 2026