Patent Assignment
Reel/Frame 039652/0857
Merger
Recorded: 2016-08-11
Pages: 19
Assignor
ABB TECHNOLOGY LTD.
Executed: 2016-06-17
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Method to Optimize Operation of a Transformer Cooling System, the Corresponding System and a Method to Determine the Vfd Capacity
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 6, 2016
From: WANG, ZHAO; CHEN, YAO; SAERS, ROBERT; YANG, XIAOXIA
To: ABB TECHNOLOGY LTD.
Reel/Frame 038210/0661 →
Merger
Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0687 →
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 →