Patent Assignment
Reel/Frame 059650/0422
Assignment of Assignor's Interest
Recorded: 2022-04-20
Pages: 6
Assignor
ABB SCHWEIZ AG
Executed: 2019-11-29
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Protection of a Surge Arrester with a Better Protection Against Failure from Thermal Overload in Case of a Temporary Overvoltage in an Electrical Grid Line
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 20, 2022
From: BOESE, RONALD; ANTELO, JOEL; GARIBOLDI, NICOLA; MUGWYLER, REMO
To: ABB SCHWEIZ AG
Reel/Frame 059650/0332 →
Change of Name
Apr 20, 2022
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 059650/0503 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →