Patent Assignment
Reel/Frame 023592/0073
Assignment of Assignor's Interest
Recorded: 2009-12-02
Pages: 6
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Dry-Type Power Distribution Transformer
Patent:
610,087 →
Application:
29/341,170 →
Related Assignments
(5)
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 040621/0633 →
Assignment of Assignor's Interest
Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055585/0534 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Corrective Assignment to Correct the Conveying Party "Abb Technology Ltd." Should Read "Abb Technlogy Ag" Previously Recorded at Reel: 040621 Frame: 0633. Assignor(S) Hereby Confirms the Merger.
May 10, 2022
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 059940/0826 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →