Patent Assignment
Reel/Frame 045494/0613
Assignment of Assignor's Interest
Recorded: 2018-03-05
Pages: 3
Assignor
HARNEFORS, LENNART
Executed: 2015-09-24
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, SWITZERLAND
Covered Property
(1)
Voltage Source Converter (Vsc) Control System with Active Damping
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2018
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 045106/0300 →
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 →