Patent Assignment
Reel/Frame 028468/0011
Assignment of Assignor's Interest
Recorded: 2012-06-29
Pages: 8
Assignors
BERGGREN, BERTIL
Executed: 2011-11-23
KORBA, PETR
Executed: 2011-11-24
MAJUMDER, RAJAT
Executed: 2012-01-02
SWAKSHAR, RAY
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.
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.
Aug 7, 2012
From: BERGGREN, BERTIL; KORBA, PETR; MAJUMDER, RAJAT; RAY, SWAKSHAR
To: ABB RESEARCH LTD.
Reel/Frame 028736/0644 →
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 →