IP Library › Assignment 049306/0104
Patent Assignment
Reel/Frame 049306/0104

Assignment of Assignor's Interest

Recorded: 2019-05-29 Pages: 13
Assignor
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-5400, SWITZERLAND
Covered Properties (2)
Gas Recovery of Sulphur Hexafluoride
Patent: 8,828,350 →
Application: 11/597,526 →
Publication: US 2009/0041654
Apparatus and Method for Capturing and Containing Sulphur Hexafluoride Gas Leakage
Patent: 8,042,580 →
Application: 11/597,549 →
Publication: US 2007/0221285
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger May 29, 2019
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 049306/0919 →
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 →