Patent Assignment
Reel/Frame 051457/0278
Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 034729 Frame 0614. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2019-12-31
Pages: 10
Assignors
LARSSON, MATS
Executed: 2015-01-14
THORBURN, STEFAN
Executed: 2015-01-14
BERGGREN, BERTIL
Executed: 2014-12-23
Assignee
ABB RESEARCH LTD
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Multi Terminal Hvdc Control
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 15, 2015
From: LARSSON, MATS; THORBURN, STEFAN; BERGGREN, BERTIL
To: ABB RESEARH LTD
Reel/Frame 034729/0614 →
Merger
Dec 26, 2019
From: ABB RESEARCH LTD.
To: ABB SCHWEIZ AG
Reel/Frame 051419/0309 →
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 →