ELEKTROMAGNETISCHER MEHRPHASEN-DURCHFLUSSMESSER
European patent · EP3833937 · In force
Register entry
- Publication number
- EP3833937
- Application number
- EP20709765
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Feb 19, 2020
- Published
- Jun 16, 2021
- Granted
- Dec 1, 2021
- Protection ends at the latest
- Feb 18, 2040
- Next annual fee due
- Feb 28, 2027
- IPC classes
- G01F 1/74 (2006.01)G01F 1/58 (2006.01)G01N 27/02 (2006.01)G01N 27/22 (2006.01)
- Priority
- NO 20190429 29.03.2019
- PCT application
- PCT/NO2020/050043 19.02.2020
- PCT publication
- WO2020/204724 08.10.2020
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Mar 1, 2026
Change
Published in Swissreg on 01.03.2026
- Oct 29, 2025
Agent removed
- Representative
- Dennemeyer AG, Bahnhofstrasse 23, 6300 Zug (removed)
Published in Swissreg on 29.10.2025
- Oct 29, 2025
Transferred
- Owner
- Wionetic AS, Asnesåsen 17, 3222 Sandefjord, Norway → Halliburton Energy Services, Inc., 3000 N. Sam Houston Parkway E., Houston, Texas 77032-3219, USA
- Representative
- Ammann Patentanwälte AG Bern, Schwarztorstrasse 31, 3001 Bern
Published in Swissreg on 29.10.2025
- Mar 1, 2025
Change
Published in Swissreg on 01.03.2025
- Mar 1, 2024
Change
Published in Swissreg on 01.03.2024
- Mar 6, 2023
Change
Published in Swissreg on 06.03.2023
- Oct 12, 2022
Change
Published in Swissreg on 12.10.2022
- Jan 21, 2022
Agent entered
- Representative
- Dennemeyer AG, Bahnhofstrasse 23, 6300 Zug
Published in Swissreg on 21.01.2022
1 earlier entry
- Dec 1, 2021
Granted
Published in Swissreg on 01.12.2021
Parties
Holder
Inventor
3222 Sandefjord, NO
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.