Patent Assignment
Reel/Frame 030892/0848
Assignment of Assignor's Interest
Recorded: 2013-07-29
Pages: 6
Assignors
YANG, YING
Executed: 2013-07-24
LI, YOUYI
Executed: 2013-07-25
PRADEEP, G.
Executed: 2013-07-25
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, 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.
Merger
Aug 11, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 039659/0171 →
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 →