Patent Assignment
Reel/Frame 028736/0644
Corrective Assignment to Correct the Last Name of the Fourth Listed Inventor Previously Recorded on Reel 028468 Frame 0011. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.
Recorded: 2012-08-07
Pages: 15
Assignors
BERGGREN, BERTIL
Executed: 2011-11-23
KORBA, PETR
Executed: 2011-11-24
MAJUMDER, RAJAT
Executed: 2012-01-02
RAY, SWAKSHAR
Executed: 2008-09-15
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, CH-8050 ZURICH, SWITZERLAND
Covered Property
(1)
Control of a Power Transmission System
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 29, 2012
From: BERGGREN, BERTIL; KORBA, PETR; MAJUMDER, RAJAT; SWAKSHAR, RAY
To: ABB RESEARCH LTD.
Reel/Frame 028468/0011 →
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 →