Patent Assignment
Reel/Frame 048494/0782
Assignment of Assignor's Interest
Recorded: 2019-03-04
Pages: 9
Assignors
YANG, XIAOBO
Executed: 2017-11-07
BERGDAHL, BERNT
Executed: 2017-12-13
YUAN, CHUNMING
Executed: 2017-11-07
YAO, DAWEI
Executed: 2017-11-06
YANG, CHAO
Executed: 2017-11-06
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Bidirectional Power Valve and Control Method Therefor and Hybrid Multi-Terminal Hvdc System Using the Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →