Patent Assignment
Reel/Frame 054540/0759
Assignment of Assignor's Interest
Recorded: 2020-12-04
Pages: 6
Assignor
ABB SCHWEIZ AG
Executed: 2019-10-25
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Cover for a Distribution Transformer Filled with a Dielectric Liquid
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 4, 2020
From: SOBCZAK, WITOLD; KLYS, PAWEL; CLAESSENS, MAX; GRECKI, FILIP
To: ABB SCHWEIZ AG
Reel/Frame 054540/0741 →
Change of Name
Nov 17, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058137/0082 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →