LÜFTUNGSVORRICHTUNG

European patent · EP4547972 · In force

Register entry

Publication number
EP4547972
Application number
EP23744236
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 29, 2023
Published
May 7, 2025
Granted
Dec 31, 2025
Protection ends at the latest
Jun 28, 2043
Next annual fee due
Jun 30, 2027
IPC classes
F04D 25/04 (2006.01)
F03D 3/00 (2006.01)
Priority
GB 202209691 01.07.2022
PCT application
PCT/IB2023/056729 29.06.2023
PCT publication
WO2024/003796 04.01.2024
Filing language
English
Source
Swissreg

History

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

  1. Jul 13, 2026

    Next annual fee due on

    Next annual fee due on
    30.06.2026 → 30.06.2027

    Published in Swissreg on 13.07.2026

  2. Jan 7, 2026

    Agent entered

    Representative
    MICHELI & CIE SA, 122, rue de Genève,, CP 61, 1226 Thônex

    Published in Swissreg on 07.01.2026

  3. Dec 31, 2025

    Granted

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

    Published in Swissreg on 31.12.2025

Parties

Holder

Flettner Ventilator Limited

FLETTNER VENTILATOR LIMITED

Suite 38 Milton Keynes Business Centre Foxhunter Drive Linford Wood, Milton Keynes, Buckinghamshire MK14 6GD, GB

Agent

MICHELI & CIE SA

122, rue de Genève, CP 61, 1226 Thônex

Inventor

BEWICK, Mark

Milton Keynes, GB

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.