IP Library › Assignment 032570/0941
Patent Assignment
Reel/Frame 032570/0941

Assignment of Assignor's Interest

Recorded: 2014-04-01 Pages: 5
Assignors
BENGTSSON, TORD
Executed: 2014-03-17
ROXENBORG, STEFAN
Executed: 2014-03-17
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, CH-8050 ZURICH, SWITZERLAND
Covered Property (1)
Method And System For Detecting A Failed Rectifier In An AC/DC Converter
Patent: 8,924,170 →
Application: 14/229,279 →
Publication: US 2014/0214343
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 26, 2019
From: ABB RESEARCH LTD.
To: ABB SCHWEIZ AG
Reel/Frame 051419/0309 →
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Change of Name Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →