Patent Assignment
Reel/Frame 044893/0473
Merger
Recorded: 2017-12-15
Pages: 29
Assignor
ABB TECHNOLOGY LTD
Executed: 2016-05-09
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, CH-8050 ZURICH, SWITZERLAND
Covered Properties
(2)
Travelling Wave Protection Of A Transmission Line Based On High-Pass Filtering
Switching Device And An Electric Power Distribution Switchgear
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 15, 2017
From: LI, YOUYI; LIU, KAI; WANG, JIANPING
To: ABB TECHNOLOGY LTD
Reel/Frame 044405/0389 →
Assignment of Assignor's Interest
Dec 15, 2017
From: SAXEGAARD, MAGNE; TALMO, STÅLE; LOHNE, STANLEY
To: ABB TECHNOLOGY LTD
Reel/Frame 044405/0488 →
Corrective Assignment to Correct the the Receiving Party City Previously Recorded on Reel 044893 Frame 0473. Assignor(S) Hereby Confirms the Merger.
Dec 31, 2018
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 047995/0520 →
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →