Patent Assignment
Reel/Frame 051506/0204
Assignment of Assignor's Interest
Recorded: 2020-01-14
Pages: 7
Assignors
HU, BO
Executed: 2019-07-19
SUN, HUIGANG
Executed: 2019-07-19
ZHAO, XIN
Executed: 2019-07-19
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
On-Load Tap Changer and Manufacturing Method Thereof
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 065549/0576 →