SCHWIMMERVENTILEINSATZ

European patent · EP4397840 · In force

Register entry

Publication number
EP4397840
Application number
EP24176947
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Oct 9, 2021
Published
Jul 10, 2024
Granted
Dec 3, 2025
Protection ends at the latest
Oct 8, 2041
Next annual fee due
Oct 31, 2026
IPC classes
E21B 21/10 (2006.01)
Priority
US 202016951562 18.11.2020
Divided from
EP21799444
Filing language
English
Source
Swissreg

History

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

  1. Oct 14, 2026

    Change

    Published in Swissreg on 14.10.2026

  2. Dec 3, 2025

    Granted

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

    Published in Swissreg on 03.12.2025

Parties

Holder

Weatherford Technology Holdings, LLC

2000 St. James Place, Houston, TX 77056, US

Inventor

GIROUX, Richard L.

Houston, 77056, 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.