Patent Assignment
Reel/Frame 042256/0674
Assignment of Assignor's Interest
Recorded: 2017-05-05
Pages: 5
Assignors
BENGTSSON, TORD
Executed: 2014-09-08
GAJIC, ZORAN
Executed: 2014-09-10
ROXENBORG, STEFAN
Executed: 2014-09-08
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, CH-8050 ZURICH, SWITZERLAND
Covered Property
(1)
Monitoring Torsional Oscillations in a Turbine-Generator
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
May 5, 2017
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 042413/0905 →
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 →