IP Library › Assignment 022880/0670
Patent Assignment
Reel/Frame 022880/0670

Assignment of Assignor's Interest

Recorded: 2009-06-26 Pages: 3
Assignors
RONNER, BEAT
Executed: 2009-04-14
GAUPP, OSVIN
Executed: 2009-04-14
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Property (1)
Method for Operating a Converter Circuit and Apparatus for Implementing the Method
Patent: 8,050,060 →
Application: 12/406,229 →
Publication: US 2009/0257253
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 →