Patent Assignment
Reel/Frame 024396/0176
Assignment of Assignor's Interest
Recorded: 2010-05-17
Pages: 8
Assignors
AKKE, MAGNUS
Executed: 2008-09-22
WESTMAN, BJORN
Executed: 2008-09-22
ASHUVUD, HENRIK
Executed: 2008-09-19
Assignees
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 52, ZURICH, CH-8050, SWITZERLAND
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Load Compensation in Distance Protection of a Three-Phase Power Transmission Line
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 27, 2019
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 051143/0881 →
Corrective Assignment to Correct the One Receiving Party Deleted Previously Recorded at Reel: 24396 Frame: 176. Assignor(S) Hereby Confirms the Assignment.
Nov 27, 2019
From: AKKE, MAGNUS; WESTMAN, BJORN; ASHUVUD, HENRIK
To: ABB TECHNOLOGY LTD
Reel/Frame 051143/0973 →
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 →