DREHFLÜGLER
European patent · EP4146542 · In force
Register entry
- Publication number
- EP4146542
- Application number
- EP21723897
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Apr 29, 2021
- Published
- Mar 15, 2023
- Granted
- Aug 6, 2025
- Protection ends at the latest
- Apr 28, 2041
- Next annual fee due
- Apr 30, 2026
- IPC classes
- B64C 29/00 (2006.01)B64C 31/036 (2006.01)B64C 39/02 (2023.01)
- Priority
- GB 202006781 07.05.2020EP 20275087 07.05.2020
- PCT application
- PCT/GB2021/051033 29.04.2021
- PCT publication
- WO2021/224593 11.11.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jun 17, 2026
Change
Published in Swissreg on 17.06.2026
- Aug 6, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 06.08.2025
Parties
Inventor
ATKINSON, David Charles
Balderstone Lancashire BB2 7LF, GB
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.