Patent Assignment
Reel/Frame 041657/0177
Assignment of Assignor's Interest
Recorded: 2017-03-21
Pages: 4
Assignor
MA, XIAOGUANG
Executed: 2017-02-17
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Parallel Redundancy Protocol Over Wide Area Networks
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 20, 2023
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG; ABB SCHWEIZ AG
Reel/Frame 062741/0403 →
Change of Name
Feb 24, 2023
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 062865/0029 →
Merger
Sep 9, 2024
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 068905/0969 →