Patent Assignment
Reel/Frame 044281/0288
Merger
Recorded: 2017-10-16
Pages: 29
Assignor
ABB TECHNOLOGY LTD
Executed: 2016-05-09
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, CH-5400 BADEN, SWITZERLAND
Covered Property
(1)
Method for Monitoring Transformer Bushings and a System Therefor
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 16, 2017
From: ABEYWICKRAMA, NILANGA
To: ABB TECHNOLOGY LTD
Reel/Frame 043873/0961 →
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 →