IP Library Assignment 043197/0041
Patent Assignment
Reel/Frame 043197/0041

Assignment of Assignor's Interest

Recorded: 2017-08-04 Pages: 4
Assignors
TWIBELL, BRIAN E.
Executed: 2009-01-13
NICHOLS, BRUCE W.
Executed: 2009-01-15
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Reversing and a Method of Modifying a Tap Changer to Use the Same
Patent: 8,207,457 →
Application: 12/648,447 →
Publication: US 2011/0000769
Related Assignments (6)
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 040621/0714 →
Merger Aug 4, 2017
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 043456/0437 →
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 →
Corrective Assignment to Correct the Conveying Party "Abb Technology Ltd." Should Read "Abb Technology Ag" Previously Recorded at Reel: 040621 Frame: 0714. Assignor(S) Hereby Confirms the Assignment. May 11, 2022
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 059927/0580 →
Merger Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →