STRATIGRAPHISCHE VERFAHREN
European patent · EP4176258 · In force
Register entry
- Publication number
- EP4176258
- Application number
- EP20943234
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jul 1, 2020
- Published
- May 10, 2023
- Granted
- Jul 22, 2026
- Protection ends at the latest
- Jun 30, 2040
- Next annual fee due
- Jul 31, 2027
- IPC classes
- G01N 33/24 (2006.01)E21B 49/00 (2006.01)E21B 47/00 (2012.01)G01V 1/40 (2006.01)G01V 1/50 (2006.01)G01V 20/00 (2024.01)E21B 41/00 (2006.01)
- PCT application
- PCT/US2020/040539 01.07.2020
- PCT publication
- WO2022/005475 06.01.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 22, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 22.07.2026
Parties
Inventor
MONTGOMERY, Paul
Bricklehampton, Pershore WR10 3HQ, GB
RATCLIFFE, Kenneth, Thomas
Powys SY21 9BW, GB
MATHIA, Eliza
Birmingham, West Midlands B15 2EX, GB
WIGAND, Marcus, Oliver
Missouri City, TX 77459, 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.