IP Library Assignment 025982/0434
Patent Assignment
Reel/Frame 025982/0434

Assignment of Assignor's Interest

Recorded: 2011-03-18 Pages: 4
Assignors
SU, BIN
Executed: 2011-01-17
FAN, JIANZHONG
Executed: 2011-01-24
JING, LEI
Executed: 2011-01-14
LIU, QIANJIN
Executed: 2011-01-17
WANG, JIANPING
Executed: 2011-02-15
YANG, YING
Executed: 2011-01-17
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Method and Device for Supervising Secondary Circuit of Instrument Transformer in Power System
Patent: 8,649,131 →
Application: 13/119,869 →
Publication: US 2011/0188159
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →