IP Library › Assignment 034434/0192
Patent Assignment
Reel/Frame 034434/0192

Assignment of Assignor's Interest

Recorded: 2014-12-09 Pages: 3
Assignors
HARNEFORS, LENNART
Executed: 2014-11-26
ILVES, KALLE
Executed: 2014-11-26
Assignee
ABB AB
KOPPARBERGSVÄGEN 2, VÄSTERÅS, S-721 83, SWEDEN
Covered Property (1)
Method and Device for Controlling a Multilevel Converter
Patent: 9,190,932 →
Application: 14/406,297 →
Publication: US 2015/0162848
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 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055589/0769 →
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 →