Patent Assignment
Reel/Frame 044880/0483
Assignment of Assignor's Interest
Recorded: 2017-12-15
Pages: 3
Assignor
CARDONA, JULIAN
Executed: 2016-09-29
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, CH-5400 BADEN, SWITZERLAND
Covered Property
(1)
Transformer Arrangement And Method For Controlling Pressure In A Liquid-Filled Transformer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →