Patent Assignment
Reel/Frame 059045/0694
Assignment of Assignor's Interest
Recorded: 2022-02-18
Pages: 6
Assignor
ABB SCHWEIZ AG
Executed: 2020-12-03
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
AC-to-AC MMC with Reduced Number of Converter Arms
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 18, 2022
From: SCHAAD, THOMAS; VASILADIOTIS, MICHAIL; SVENSSON, JAN; STAMATIOU, GEORGIOS
To: ABB SCHWEIZ AG
Reel/Frame 059045/0238 →
Change of Name
Jul 1, 2022
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 061007/0635 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →