IP Library › Assignment 034955/0819
Patent Assignment
Reel/Frame 034955/0819

Assignment of Assignor's Interest

Recorded: 2015-02-13 Pages: 3
Assignor
KIRRMANN, HUBERT
Executed: 2015-01-08
Assignee
ABB RESEARCH LTD
AFFOLTERNSTRASSE 44, ZURICH, 8050, SWITZERLAND
Covered Property (1)
Determining the Network Topology of a Communication Network
Patent: 9,876,683 →
Application: 14/577,115 →
Publication: US 2015/0156072
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 →