FÜHRUNGSSTAB

European patent · EP4540491 · In force

Register entry

Publication number
EP4540491
Application number
EP23730456
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 1, 2023
Published
Apr 23, 2025
Granted
May 20, 2026
Protection ends at the latest
May 31, 2043
Next annual fee due
Jun 30, 2026
IPC classes
E21B 33/038 (2006.01)
E21B 41/10 (2006.01)
F16L 1/26 (2006.01)
E21B 33/043 (2006.01)
Priority
NO 20220673 14.06.2022
PCT application
PCT/EP2023/064694 01.06.2023
PCT publication
WO2023/241934 21.12.2023
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. May 20, 2026

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 20.05.2026

Parties

Inventor

SUNDQVIST, Gøran

3601 Kongsberg, NO

MOLDESTAD, Lasse

3601 Kongsberg, NO

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.