AUF NULLSEQUENZSTROM BASIERENDER DIFFERENTIALSCHUTZ EINER ÜBERTRAGUNGSLEITUNG
European patent · EP3729581 · In force
Register entry
- Publication number
- EP3729581
- Application number
- EP17821625
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Dec 20, 2017
- Published
- Oct 28, 2020
- Granted
- Sep 30, 2026
- Protection ends at the latest
- Dec 19, 2037
- Next annual fee due
- Dec 31, 2026
- IPC classes
- H02H 3/34 (2006.01)H02H 7/26 (2006.01)H02H 3/28 (2006.01)
- PCT application
- PCT/EP2017/083827 20.12.2017
- PCT publication
- WO2019/120518 27.06.2019
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 30, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 30.09.2026
Parties
Inventor
LI, YouYi
722 19 Västerås, SE
LIU, Kai
Beijing 100015, CN
WANG, Jianping
724 60 Västerås, SE
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.