TUNNELBAUWERK

European patent · EP4230839 · In force

Register entry

Publication number
EP4230839
Application number
EP23153304
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jan 25, 2023
Published
Aug 23, 2023
Granted
Sep 25, 2024
Protection ends at the latest
Jan 24, 2043
Next annual fee due
Jan 31, 2027
IPC classes
E21F 16/02 (2006.01)
Priority
DE 102022103878 18.02.2022
Filing language
German
Source
Swissreg

History

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

  1. Feb 1, 2026

    Change

    Published in Swissreg on 01.02.2026

  2. Aug 6, 2025

    Change

    Published in Swissreg on 06.08.2025

  3. Oct 3, 2024

    Agent entered

    Representative
    Dreiss Patentanwälte PartG mbB, Friedrichstr. 6, 70174 Stuttgart, Germany

    Published in Swissreg on 03.10.2024

  4. Sep 25, 2024

    Granted

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

    Published in Swissreg on 25.09.2024

Parties

Holder

Wayss & Freytag Ingenieurbau AG

Eschborner Landstrasse 130-132, 60489 Frankfurt am Main, DE

Agent

DREISS Patentanwälte PartG mbB

Dreiss Patentanwälte PartG mbB

Friedrichstr. 6, 70174 Stuttgart, DE

Inventor

Dietz, Magdalena

64297 Darmstadt, DE

Stopka, Michael

85774 Unterföhring, DE

Eitel, Stephan

74889 Sinsheim, DE

Gerstewitz, Thomas

85774 Unterföhring, DE

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.