Patent Assignment
Reel/Frame 044756/0518
Assignment of Assignor's Interest
Recorded: 2018-01-29
Pages: 4
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Tap Changer with an Improved Monitoring System
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Merger
May 28, 2020
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 053717/0333 →
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 →