BOHRLOCHSCHIEBER UND VERFAHREN

European patent · EP3803036 · In force

Register entry

Publication number
EP3803036
Application number
EP19811886
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
May 29, 2019
Published
Apr 14, 2021
Granted
Aug 13, 2025
Protection ends at the latest
May 28, 2039
Next annual fee due
May 31, 2026
IPC classes
E21B 33/06 (2006.01)
Priority
US 201862678860 P 31.05.2018
PCT application
PCT/US2019/034401 29.05.2019
PCT publication
WO2019/232052 05.12.2019
Filing language
English
Source
Swissreg

History

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

  1. Jun 24, 2026

    Change

    Published in Swissreg on 24.06.2026

  2. Aug 13, 2025

    Granted

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

    Published in Swissreg on 13.08.2025

Parties

Inventor

MIRELES, Lydia

Houston, Texas 77070, US

GONZALEZ, Cesar J.

Katy, Texas 77493, US

HILL, David E.

Spring, Texas 77373, US

FOLLETT, Nathan

Houston, Texas 77095, US

BHUVELA, Vaishali

Katy, Texas 77494, US

AL-QURAISHI, Ali

Katy, Texas 77450, 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.