Patent Assignment
Reel/Frame 022164/0001
Assignment of Assignor's Interest
Recorded: 2009-01-27
Pages: 6
Assignors
ANDERSSON, LARS
Executed: 2008-10-07
BRAENDLE, HUBERT
Executed: 2008-10-07
BOHNERT, KLAUS
Executed: 2008-10-07
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, CH-8050 ZURICH, SWITZERLAND
Covered Property
(1)
Fiber-Optic Current Sensor with Sum Detection
Related Assignments
(3)
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 →