Patent Assignment
Reel/Frame 064931/0122
Change of Name
Recorded: 2023-09-18
Pages: 6
Assignor
ABB POWER GRIDS SWITZERLAND AG
Executed: 2019-04-29
Assignee
HITACHI ENERGY SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Surge Arrester
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 18, 2023
From: GLASS, MARTIN; SOTIROPOULOS, EKTOR; RICHTER, BERNHARD
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 064931/0116 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0869 →
Merger
Aug 19, 2025
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 072520/0001 →