Patent Assignment
Reel/Frame 051752/0149
Assignment of Assignor's Interest
Recorded: 2020-02-07
Pages: 8
Assignors
DONZEL, LISE
Executed: 2019-09-10
VELTHUIS, RUDI
Executed: 2019-09-03
GRADINGER, THOMAS
Executed: 2019-08-26
GREUTER, FELIX
Executed: 2019-09-11
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Medium-Frequency Transformer with Dry Core
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 058601/0692 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →