IP Library › Assignment 036168/0613
Patent Assignment
Reel/Frame 036168/0613

Assignment of Assignor's Interest

Recorded: 2015-07-23 Pages: 3
Assignor
ILVES, KALLE
Executed: 2013-04-27
Assignee
ABB AB
KOPPARBERGSVÄGEN 2, VÄSTERÅS, SE-721 83, SWEDEN
Covered Property (1)
Bipolar Double Voltage Cell and Multilevel Converter with Such a Cell
Patent: 9,461,557 →
Application: 14/763,140 →
Publication: US 2015/0365011
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 23, 2018
From: ABB AB
To: ABB SCHWEIZ AG
Reel/Frame 045713/0398 →
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 →