Patent Assignment
Reel/Frame 039883/0931
Merger
Recorded: 2016-08-30
Pages: 19
Assignor
ABB TECHNOLOGY LTD.
Executed: 2016-06-17
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Method for Identifying the Fault by Current Differential Protection and Device Thereof
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 6, 2015
From: LI, YOUYI; LIU, KAI; SU, BIN
To: ABB TECHNOLOGY LTD.
Reel/Frame 034903/0892 →
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 →