Patent Assignment
Reel/Frame 021707/0750
Assignment of Assignor's Interest
Recorded: 2008-10-20
Pages: 2
Assignor
GAJIC, ZORAN
Executed: 2006-11-30
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Method and Device for Fault Detection in an N-Winding Three-Phase Power Transformer
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 15, 2016
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 040620/0802 →
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 →