Patent Assignment
Reel/Frame 024326/0269
Assignment of Assignor's Interest
Recorded: 2010-05-03
Pages: 3
Assignor
WINKELNKEMPER, MANFRED
Executed: 2010-04-23
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Property
(1)
Method for Operation of a Converter Circuit, and Apparatus for Carrying Out the Method
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055589/0769 →
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 →