Patent Assignment
Reel/Frame 056256/0341
Assignment of Assignor's Interest
Recorded: 2021-05-17
Pages: 6
Assignor
ABB SCHWEIZ AG
Executed: 2020-12-02
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Medium Frequency Transformer
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 17, 2021
From: DROFENIK, UWE
To: ABB SCHWEIZ AG
Reel/Frame 056256/0298 →
Assignment of Assignor's Interest
May 17, 2021
From: GRADINGER, THOMAS; WUNSCH, BERNHARD
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 056256/0377 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058601/0692 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0869 →