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European patent · EP3978838 · In force
Register entry
- Publication number
- EP3978838
- Application number
- EP19931469
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Nov 7, 2019
- Published
- Apr 6, 2022
- Granted
- Aug 12, 2026
- Protection ends at the latest
- Nov 6, 2039
- Next annual fee due
- Nov 30, 2026
- IPC classes
- F25C 1/24 (2018.01)F25C 1/10 (2006.01)
- Priority
- CN 201910439362 24.05.2019
- PCT application
- PCT/CN2019/116170 07.11.2019
- PCT publication
- WO2020/238032 03.12.2020
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Aug 12, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 12.08.2026
Parties
Holder
Inventor
DU, Qihai
Qingdao, Shandong 266101, CN
ZHANG, Yanqing
Qingdao, Shandong 266101, CN
ZHAO, Zhenyu
Qingdao, Shandong 266101, CN
ZUO, Lihua
Qingdao, Shandong 266101, 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.