ANTI-DRAGGING-SYSTEM UND WINDTURBINENGENERATORSYSTEM

European patent · EP4156489 · Deleted

Register entry

Publication number
EP4156489
Application number
EP21808131
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Mar 22, 2021
Published
Mar 29, 2023
Granted
Oct 1, 2025
Deleted
Oct 23, 2026
Reason
Annual fee unpaid
IPC classes
H02M 5/458 (2006.01)
H02M 7/493 (2007.01)
H02M 1/00 (2006.01)
F03D 80/80 (2016.01)
H02J 3/38 (2006.01)
Priority
CN 202010432841 20.05.2020
PCT application
PCT/CN2021/082052 22.03.2021
PCT publication
WO2021/232927 25.11.2021
Filing language
Chinese
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Oct 23, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.10.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.10.2026

  2. Aug 12, 2026

    Change

    Published in Swissreg on 12.08.2026

  3. Oct 1, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 01.10.2025

Parties

Holder

Zhejiang University

Hangzhou, Zhejiang 310058, CN

Shanghai Electric Wind Power Group Co., Ltd.

Shanghai 200241, CN

Inventor

LIU, Jiaming

Shanghai 200241, CN

WU, Lijian

Hangzhou, Zhejiang 310058, CN

YANG, Shuai

Shanghai 200241, CN

WANG, Haiyang

Shanghai 200241, CN

MIAO, Jun

Shanghai 200241, CN

JIN, Xiaolong

Shanghai 200241, CN

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.