WÄRMETAUSCHER
European patent · EP4130639 · In force
Register entry
- Publication number
- EP4130639
- Application number
- EP21775647
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Mar 5, 2021
- Published
- Feb 8, 2023
- Granted
- Apr 22, 2026
- Protection ends at the latest
- Mar 4, 2041
- Next annual fee due
- Mar 31, 2027
- IPC classes
- F28F 9/02 (2006.01)F25B 39/00 (2006.01)F28D 1/053 (2006.01)F28F 1/02 (2006.01)F28F 9/22 (2006.01)
- Priority
- JP 2020053157 24.03.2020
- PCT application
- PCT/JP2021/008827 05.03.2021
- PCT publication
- WO2021/192937 30.09.2021
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 28, 2026
Owner
- Owner
- Fujitsu General Limited, 3-3-17, Suenaga, Takatsu-ku, Kawasaki-shi, Kanagawa 213-8502, Japan → GENERAL Inc., 3-17, 3-chome, Suenaga, Takatsu-ku, Kawasaki-shi, Kanagawa 213-8502, Japan
Published in Swissreg on 28.05.2026
- Apr 22, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 22.04.2026
Parties
Inventor
NAKATA, Shohei
Kawasaki-shi, Kanagawa 213-8502, JP
MAEMA, Yoshinari
Kawasaki-shi, Kanagawa 213-8502, JP
OKA, Kotaro
Kawasaki-shi, Kanagawa 213-8502, JP
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.