WÄRMETAUSCHER UND KÄLTESYSTEM

European patent · EP4067805 · Deleted

Register entry

Publication number
EP4067805
Application number
EP20906651
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Dec 14, 2020
Published
Oct 5, 2022
Granted
May 14, 2025
Deleted
Jul 23, 2026
Reason
Annual fee unpaid
IPC classes
F28F 9/02 (2006.01)
F28D 1/053 (2006.01)
Priority
CN 201922374776 U 25.12.2019
PCT application
PCT/CN2020/136137 14.12.2020
PCT publication
WO2021/129440 01.07.2021
Filing language
Chinese
Source
Swissreg

History

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

  1. Jul 23, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.07.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.07.2026

  2. Mar 25, 2026

    Change

    Published in Swissreg on 25.03.2026

  3. May 14, 2025

    Granted

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

    Published in Swissreg on 14.05.2025

Parties

Holder

Zhejiang Dunan Artificial Environment Co., Ltd.

Diankou Industry Zone, Zhuji,, Shaoxing Zhejiang 311835, CN

Inventor

WEI, Wenjian

Shaoxing Zhejiang 311835, CN

LAN, Zhaozhong

Shaoxing Zhejiang 311835, CN

MA, Wenyong

Shaoxing Zhejiang 311835, 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.