Patent Assignment
Reel/Frame 017040/0312
Assignment of Assignor's Interest
Recorded: 2005-09-29
Pages: 4
Assignors
DONZEL, LISE
Executed: 2005-02-18
GREUTER, FELIX
Executed: 2005-02-18
GRAMESPACHER, HANSJOERG
Executed: 2005-02-18
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 52, CH-8050 ZURICH, SWITZERLAND
Covered Property
(1)
High Voltage Bushing with Field Control Material
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 15, 2005
From: DONZEL, LISE; GREUTER, FELIX; GAMESPACHER, HANSJOERG
To: ABB RESEARCH LTD.
Reel/Frame 016382/0992 →
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 →