Patent Assignment
Reel/Frame 039659/0171
Merger
Recorded: 2016-08-11
Pages: 19
Assignor
ABB TECHNOLOGY LTD.
Executed: 2016-06-17
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Voltage Based Method for Fault Identification in a Transmission Line and Apparatus Thereof
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 29, 2013
From: YANG, YING; LI, YOUYI; PRADEEP, G.
To: ABB TECHNOLOGY LTD.
Reel/Frame 030892/0848 →
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 →