BEDARFSGESTEUERTES STRÖMUNGSPULSSYSTEM
European patent · EP4435227 · In force
Register entry
- Publication number
- EP4435227
- Application number
- EP24192982
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jul 21, 2020
- Published
- Sep 25, 2024
- Granted
- Oct 29, 2025
- Protection ends at the latest
- Jul 20, 2040
- Next annual fee due
- Jul 31, 2026
- IPC classes
- E21B 34/14 (2006.01)E21B 4/02 (2006.01)E21B 7/24 (2006.01)E21B 21/10 (2006.01)E21B 31/00 (2006.01)
- Priority
- US 201962877168 P 22.07.2019
- Divided from
- EP20843889
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 9, 2026
Change
Published in Swissreg on 09.09.2026
- Oct 29, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 29.10.2025
Parties
Inventor
TRINH, Khoi
Spring, 77386-2054, US
BHAGWANDIN, Steve
Houston, 77006-3405, US
XIA, Yufang
Houston, 77055-6539, US
FORSTER, Ian
The Woodlands, 77380-3422, US
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.