IP Library › Assignment 033418/0074
Patent Assignment
Reel/Frame 033418/0074

Assignment of Assignor's Interest

Recorded: 2014-07-30 Pages: 3
Assignors
QI, LI
Executed: 2014-06-02
LIANG, JIAQI
Executed: 2014-05-13
PAN, JIUPING
Executed: 2014-05-13
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Protection Device for DC Collection Systems
Patent: 9,419,428 →
Application: 14/278,832 →
Publication: US 2015/0333504
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040622/0001 →
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →