Patent Assignment
Reel/Frame 039527/0225
Merger
Recorded: 2016-08-24
Pages: 19
Assignor
ABB TECHNOLOGY LTD.
Executed: 2016-05-09
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Properties
(2)
Converter Cell with Reduced Power Losses, High Voltage Multilevel Converter and Associated Method
Mechanical Bypass Switch Device, Converter Arm and Power Converter
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 2015
From: NAMI, ALIREZA; WANG, LIWEI
To: ABB TECHNOLOGY LTD
Reel/Frame 036137/0910 →
Assignment of Assignor's Interest
Sep 28, 2015
From: HÄFNER, JÜRGEN; SJÖBERG, CHRISTER; VAN-DER-MERWE, WIM
To: ABB TECHNOLOGY LTD
Reel/Frame 036668/0654 →
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 →