HINTERROHRWASCHUNG UND ZEMENT

European patent · EP4200510 · In force

Register entry

Publication number
EP4200510
Application number
EP21859142
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Aug 19, 2021
Published
Jun 28, 2023
Granted
Dec 24, 2025
Protection ends at the latest
Aug 18, 2041
Next annual fee due
Aug 31, 2026
IPC classes
E21B 33/14 (2006.01)
E21B 33/128 (2006.01)
E21B 41/00 (2006.01)
E21B 33/13 (2006.01)
E21B 37/00 (2006.01)
Priority
US 202063067599 P 19.08.2020
US 202063112427 P 11.11.2020
US 202063112440 P 11.11.2020
US 202063112448 P 11.11.2020
PCT application
PCT/US2021/046719 19.08.2021
PCT publication
WO2022/040439 24.02.2022
Filing language
English
Source
Swissreg

History

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

  1. Jun 11, 2026

    Owner

    Owner
    ConocoPhillips Company, 925 N. Eldridge Parkway, Houston, Texas 77079, USA → Hydra Systems AS, NorSea Base Bygg 104, 4056 Tananger, Norway

    Published in Swissreg on 11.06.2026

  2. Dec 24, 2025

    Granted

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

    Published in Swissreg on 24.12.2025

Parties

Holder

Hydra Systems AS

NorSea Base Bygg 104, 4056 Tananger, NO

Inventor

HOVDA, Lars

Houston, Texas 77079, US

MUELLER, Dan

Houston, Texas 77079, US

STEVENS, James C.

Houston, Texas 77079, US

PHADKE, Amal

Houston, Texas 77079, US

GONUGUNTLA, Praveen

San Antonio, Texas 78240, 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.