Patent Assignment
Reel/Frame 041291/0951
Merger
Recorded: 2017-01-06
Pages: 19
Assignor
ABB TECHNOLOGY LTD
Executed: 2016-06-17
Assignee
ABB SCHEWIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Clock Synchronization for Line Differential Protection
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 12, 2015
From: DZUNG, DACFEY
To: ABB RESEARCH LTD.
Reel/Frame 035146/0291 →
Merger
Dec 26, 2019
From: ABB RESEARCH LTD.
To: ABB SCHWEIZ AG
Reel/Frame 051419/0309 →
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 →