EMISSIONSÜBERWACHUNG VON FACKELSYSTEMEN

European patent · EP4158250 · In force

Register entry

Publication number
EP4158250
Application number
EP21812179
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
May 25, 2021
Published
Apr 5, 2023
Granted
Oct 15, 2025
Protection ends at the latest
May 24, 2041
Next annual fee due
May 31, 2027
IPC classes
F23G 5/50 (2006.01)
F23G 7/08 (2006.01)
F23N 5/02 (2006.01)
F23N 5/26 (2006.01)
Priority
US 202063032169 P 29.05.2020
US 202117325876 20.05.2021
PCT application
PCT/US2021/034001 25.05.2021
PCT publication
WO2021/242729 02.12.2021
Filing language
English
Source
Swissreg

History

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

  1. Aug 26, 2026

    Change

    Published in Swissreg on 26.08.2026

  2. Jun 1, 2026

    Next annual fee due on

    Next annual fee due on
    31.05.2026 → 31.05.2027

    Published in Swissreg on 01.06.2026

  3. Nov 14, 2025

    Agent entered

    Representative
    Novagraaf International SA, Chemin de l'Echo 3, 1213 Onex

    Published in Swissreg on 14.11.2025

  4. Oct 15, 2025

    Granted

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

    Published in Swissreg on 15.10.2025

Parties

Holder

Baker Hughes Oilfield Operations, LLC

17021 Aldine Westfield Road, Houston, Texas 77073, US

Agent

Novagraaf International SA

Chemin de l'Echo 3, 1213 Onex

Inventor

TAO, Chong

Houston, Texas 77073, US

WELING, Aniruddha

Houston, Texas 77073, US

SUI, Lei

Houston, Texas 77073, US

KOWAL, Anthony

Houston, Texas 77073, US

MULLER, Michael

Houston, Texas 77073, 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.