Patent Assignment
Reel/Frame 057338/0098
Assignment of Assignor's Interest
Recorded: 2021-08-31
Pages: 4
Assignor
ABB SCHWEIZ AG
Executed: 2020-11-26
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Accelerated Zone-2 Protection for Transmission Lines
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 26, 2021
From: NAIDU, OBBALAREDDI DEMUDU; YALLA, PREETHAM VENKAT; PRADHAN, VEDANTA; KUBAL, NANDKISHOR
To: ABB SCHWEIZ AG
Reel/Frame 057322/0666 →
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 065548/0905 →