Patent Assignment
Reel/Frame 031419/0186
Assignment of Assignor's Interest
Recorded: 2013-10-16
Pages: 10
Assignors
FENG, XIAOMING
Executed: 2013-09-24
KRUEPPEL, CHRISTIAN
Executed: 2012-11-15
PETERSON, WILLIAM L.
Executed: 2012-08-22
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Properties
(2)
Fault Analysis in Electric Networks Having a Plurality of Multi-Phase Buses
Fault Analysis in Electric Networks Having a Plurality of Multi-Phase Buses
Application:
61/682,857 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 22, 2013
From: FENG, XIAOMING
To: ABB RESEARCH LTD.
Reel/Frame 031662/0086 →
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 →