IP Library › Assignment 044297/0166
Patent Assignment
Reel/Frame 044297/0166

Assignment of Assignor's Interest

Recorded: 2017-12-05 Pages: 3
Assignors
HARNEFORS, LENNART
Executed: 2016-08-25
TENGNER, TOMAS
Executed: 2016-08-24
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, SWITZERLAND
Covered Property (1)
Multi-Level Power Converter and a Method for Controlling a Multi-Level Power Converter
Application: 15/579,399 →
Publication: US 2018/0138825
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 5, 2017
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 044297/0186 →
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 →