Patent Assignment
Reel/Frame 064931/0116
Assignment of Assignor's Interest
Recorded: 2023-09-18
Pages: 3
Assignors
GLASS, MARTIN
Executed: 2021-03-25
SOTIROPOULOS, EKTOR
Executed: 2021-03-22
RICHTER, BERNHARD
Executed: 2021-03-31
Assignee
ABB POWER GRIDS 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.
Change of Name
Sep 18, 2023
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 064931/0122 →
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 →