WÄRMETAUSCHER
European patent · EP4089357 · In force
Register entry
- Publication number
- EP4089357
- Application number
- EP21172934
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- May 10, 2021
- Published
- Nov 16, 2022
- Granted
- Sep 3, 2025
- Protection ends at the latest
- May 9, 2041
- Next annual fee due
- May 31, 2027
- IPC classes
- B01F 25/431 (2022.01)F28D 7/00 (2006.01)
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 15, 2026
Change
Published in Swissreg on 15.07.2026
- Jun 1, 2026
Next annual fee due on
- Next annual fee due on
- 31.05.2026 → 31.05.2027
Published in Swissreg on 01.06.2026
- Sep 3, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 03.09.2025
- Sep 3, 2025
Agent entered
- Representative
- Industrial Property Services GmbH, Rosenweg 14, 4303 Kaiseraugst
Published in Swissreg on 03.09.2025
Parties
Inventor
Heusser, Rolf
8400 Winterthur
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.