Patent Assignment
Reel/Frame 051719/0657
Assignment of Assignor's Interest
Recorded: 2020-01-22
Pages: 157
Assignor
ABB SCHWEIZ AG
Executed: 2019-11-29
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Transformer Systems and Methods for Operating a Transformer System
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 10, 2017
From: SIEFKER, BRYAN
To: ABB SCHWEIZ AG
Reel/Frame 043821/0756 →
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 →