IP Library Assignment 034643/0414
Patent Assignment
Reel/Frame 034643/0414

Assignment of Assignor's Interest

Recorded: 2015-01-06 Pages: 6
Assignors
CHEN, YAO
Executed: 2014-09-18
ZHANG, GUOJU
Executed: 2014-09-29
SAO, CHARLES
Executed: 2014-09-29
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Method and Apparatus for Power Plant Dynamic Var Regulation and Transient Stability Improvement
Patent: 9,502,899 →
Application: 14/413,084 →
Publication: US 2015/0162749
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Sep 1, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 039901/0020 →
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →