Patent Assignment
Reel/Frame 049882/0511
Assignment of Assignor's Interest
Recorded: 2019-07-28
Pages: 3
Assignors
PABBATHI, SANDEEP
Executed: 2019-06-21
S, PRABAKARAN
Executed: 2019-06-21
MATURU, SURESH
Executed: 2019-06-21
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Property
(1)
Methods and Devices for Calculating Winding Currents at a Delta Side for a Transformer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 065548/0905 →