IP Library Assignment 034198/0781
Patent Assignment
Reel/Frame 034198/0781

Assignment of Assignor's Interest

Recorded: 2014-11-18 Pages: 3
Assignors
XIE, HAILIAN
Executed: 2014-08-26
LI, BIN
Executed: 2014-08-20
HEYMAN, CARL
Executed: 2014-09-09
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Method and Apparatus for Mitigating Sub-Synchronous Resonance in Power Transmission System
Application: 14/401,960 →
Publication: US 2015/0108846
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 31, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 039890/0413 →
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →