SPIRALVERDICHTER
European patent · EP4446589 · In force
Register entry
- Publication number
- EP4446589
- Application number
- EP21967069
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Dec 6, 2021
- Published
- Oct 16, 2024
- Granted
- Dec 31, 2025
- Protection ends at the latest
- Dec 5, 2041
- Next annual fee due
- Dec 31, 2026
- IPC classes
- F04C 18/02 (2006.01)F01C 1/02 (2006.01)F04C 23/00 (2006.01)F04C 29/12 (2006.01)F04C 29/00 (2006.01)
- PCT application
- PCT/JP2021/044652 06.12.2021
- PCT publication
- WO2023/105562 15.06.2023
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Dec 31, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 31.12.2025
Parties
Inventor
KATO, Keisuke
Tokyo 100-8310, JP
TATSUWAKI, Kohei
Tokyo 100-8310, JP
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.