Patent Assignment
Reel/Frame 056256/0298
Assignment of Assignor's Interest
Recorded: 2021-05-17
Pages: 4
Assignor
DROFENIK, UWE
Executed: 2021-03-26
Assignee
ABB SCHWEIZ AG
BRUGGERSTRASSE 66, 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: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 056256/0341 →
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 →