IP Library Assignment 053173/0852
Patent Assignment
Reel/Frame 053173/0852

Assignment of Assignor's Interest

Recorded: 2020-07-10 Pages: 8
Assignors
LI, YOUYI
Executed: 2020-06-22
LIU, KAI
Executed: 2020-07-03
WANG, JIANPING
Executed: 2020-06-22
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property (1)
New Zero Sequence Current Based Line Differential Protection Solution
Application: 16/956,348 →
Publication: US 2020/0335967
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →