Patent Assignment
Reel/Frame 025038/0375
Assignment of Assignor's Interest
Recorded: 2010-09-24
Pages: 3
Assignors
WUEEST, ROBERT
Executed: 2010-09-21
FRANK, ANDREAS
Executed: 2010-09-21
BOHNERT, KLAUS
Executed: 2010-09-21
Assignee
ABB RESEARCH LTD
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Temperature Compensated Fiber Optic Current or Magnetic Field Sensor with Insensitivity to Variations in Sensor Parameters
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 →