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European patent · EP4172464 · In force

Register entry

Publication number
EP4172464
Application number
EP21829726
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 26, 2021
Published
May 3, 2023
Granted
Sep 10, 2025
Protection ends at the latest
Jun 25, 2041
Next annual fee due
Jun 30, 2026
IPC classes
E21B 43/1185 (2006.01)
E21B 17/02 (2006.01)
Priority
US 202063044886 P 26.06.2020
PCT application
PCT/US2021/039278 26.06.2021
PCT publication
WO2021/263223 30.12.2021
Filing language
English
Source
Swissreg

History

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

  1. Jul 22, 2026

    Change

    Published in Swissreg on 22.07.2026

  2. Sep 10, 2025

    Granted

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

    Published in Swissreg on 10.09.2025

Parties

Inventor

DYESS, Adam

Houston, TX 77007, US

SOKOLOVE, Christopher Brian

Midlothian, TX 76065, US

BRADLEY, Ryan

Pampa, TX 79065, US

VELIZ, Julio Cesar

Cypress, TX 77433, 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.