IP Library › Assignment 058135/0143
Patent Assignment
Reel/Frame 058135/0143

Change of Name

Recorded: 2021-11-17 Pages: 6
Assignor
ABB POWER GRIDS SWITZERLAND AG
Executed: 2021-10-06
Assignee
HITACHI ENERGY SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property (1)
Dc Current Damper for a Medium Voltage or High Voltage Transformer
Application: 17/611,947 →
Publication: US 2022/0255315
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 17, 2021
From: SCHMIDT, THOMAS; BONMANN, DIETRICH
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 058135/0062 →
Merger Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →