Patent Assignment
Reel/Frame 055313/0712
Assignment of Assignor's Interest
Recorded: 2021-02-18
Pages: 3
Assignors
MICHALSKI, LUKASZ
Executed: 2021-02-10
KLYS, PAWEL
Executed: 2021-02-10
DASZKIEWICZ, ROBERT
Executed: 2021-02-10
STELMASIAK, ADAM
Executed: 2021-02-10
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Reinforced Transformer Core Frame and Manufacturing Method
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Merger
Nov 21, 2025
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 074078/0854 →