BIDIREKTIONALER SELBSTSPERRENDER DÄMPFER

European patent · EP4040009 · In force

Register entry

Publication number
EP4040009
Application number
EP21723097
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Apr 20, 2021
Published
Aug 10, 2022
Granted
Jun 4, 2025
Protection ends at the latest
Apr 19, 2041
Next annual fee due
Apr 30, 2026
IPC classes
F16F 9/18 (2006.01)
F16F 9/56 (2006.01)
F16F 9/512 (2006.01)
Priority
CN 202110341652 30.03.2021
PCT application
PCT/CN2021/088313 20.04.2021
PCT publication
WO2022/121206 16.06.2022
Filing language
Chinese
Source
Swissreg

History

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

  1. Apr 16, 2026

    Change

    Published in Swissreg on 16.04.2026

  2. Jun 4, 2025

    Granted

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

    Published in Swissreg on 04.06.2025

Parties

Inventor

MAO, Lina

Ningbo, Zhejiang 315504, CN

FENG, Weixin

Ningbo, Zhejiang 315504, CN

LI, Rong

Ningbo, Zhejiang 315504, 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.