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European patent · EP4136320 · In force
Register entry
- Publication number
- EP4136320
- Application number
- EP21789193
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Apr 14, 2021
- Published
- Feb 22, 2023
- Granted
- Nov 26, 2025
- Protection ends at the latest
- Apr 13, 2041
- Next annual fee due
- Apr 30, 2026
- IPC classes
- E21B 43/14 (2006.01)E21B 34/10 (2006.01)E21B 41/00 (2006.01)E21B 43/08 (2006.01)E21B 43/04 (2006.01)E21B 43/12 (2006.01)
- Priority
- US 202063010616 P 15.04.2020
- PCT application
- PCT/US2021/027205 14.04.2021
- PCT publication
- WO2021/211664 21.10.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 7, 2026
Change
Published in Swissreg on 07.10.2026
- Nov 26, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 26.11.2025
Parties
Inventor
POIZAT, Jeremie
Houston, TX 77072, US
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.