Patent Assignment
Reel/Frame 053673/0209
Assignment of Assignor's Interest
Recorded: 2020-09-02
Pages: 6
Assignor
ABB SCHWEIZ AG
Executed: 2019-10-25
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, CH-5400, SWITZERLAND
Covered Property
(1)
Gel Impregnated Bushing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 2, 2020
From: LIU, RONGSHENG; BROSIG, GERHARD; SINGHA, SANTANU; CHO, SUNG-WOO
To: ABB SCHWEIZ AG
Reel/Frame 053672/0992 →
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 →