Patent Assignment
Reel/Frame 043982/0752
Assignment of Assignor's Interest
Recorded: 2017-10-30
Pages: 6
Assignors
HOLMGREN, TOMMY
Executed: 2015-05-19
SHEARER, DAVID
Executed: 2015-05-25
SOBRINHO, FELIPE
Executed: 2015-05-19
AVILA, HECTOR-ARMANDO
Executed: 2015-05-26
BJÖRKLUND, PER-ERIK
Executed: 2015-05-25
NYBERG, SÖREN
Executed: 2015-05-25
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, SWITZERLAND
Covered Property
(1)
Change of Current Return Path in a Bipole Power Transmission System
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 30, 2017
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 043982/0783 →
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 →