Patent Assignment
Reel/Frame 035376/0453
Assignment of Assignor's Interest
Recorded: 2015-04-10
Pages: 4
Assignors
BARUPATI, PRAVEEN KUMAR
Executed: 2013-01-18
JONSSON, TOMAS
Executed: 2013-01-21
SUBRAMANIAN, SASITHARAN
Executed: 2013-01-18
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Thyristor Based Voltage Source Converter
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040622/0001 →
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 →