ROHRSTOPFEN
European patent · EP4222347 · In force
Register entry
- Publication number
- EP4222347
- Application number
- EP21876174
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jul 30, 2021
- Published
- Aug 9, 2023
- Granted
- Nov 12, 2025
- Protection ends at the latest
- Jul 29, 2041
- Next annual fee due
- Jul 31, 2026
- IPC classes
- E21B 33/12 (2006.01)E21B 33/128 (2006.01)F16L 55/132 (2006.01)F16L 55/105 (2006.01)F16L 55/136 (2006.01)
- Priority
- US 202063086433 P 01.10.2020
- PCT application
- PCT/US2021/044047 30.07.2021
- PCT publication
- WO2022/072053 07.04.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 23, 2026
Change
Published in Swissreg on 23.09.2026
- Nov 12, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 12.11.2025
Parties
Holder
Inventor
GILES, Paul
Houston, TX 77009, US
FARDSALEHI, Humon, Glenn
Houston, TX 77009, 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.