IP Library › Assignment 031144/0014
Patent Assignment
Reel/Frame 031144/0014

Assignment of Assignor's Interest

Recorded: 2013-09-05 Pages: 4
Assignors
ABEYWICKRAMA, NILANGA
Executed: 2013-08-05
BENGTSSON, TORD
Executed: 2013-09-04
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, CH-8050 ZURICH, SWITZERLAND
Covered Property (1)
Method And Apparatus For Transformer Diagnosis
Patent: 9,322,866 →
Application: 13/919,745 →
Publication: US 2013/0282312
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 26, 2019
From: ABB RESEARCH LTD.
To: ABB SCHWEIZ AG
Reel/Frame 051419/0309 →
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 →