Patent Assignment
Reel/Frame 013892/0577
Assignment of Assignor's Interest
Recorded: 2003-03-19
Pages: 3
Assignors
HERMANN, HELMUT
Executed: 2002-12-11
RHEINER, HANS-UDO
Executed: 2002-12-11
TITSCHERT, JENS
Executed: 2002-12-11
Assignee
DBT AUTOMATION GMBH
INDUSTRIESTRASSE 1, LUNEN, D-44534, GERMANY
Covered Property
(1)
Method and a Device for Operating an Electro-Magnet on an Intrinsically Safe Direct Current Circuit
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 8, 2005
From: DBT AUTOMATION GMBH
To: DBT GMBH
Reel/Frame 016748/0263 →
Change of Name
Apr 1, 2014
From: DBT GMBH
To: BUCYRUS DBT EUROPE GMBH
Reel/Frame 032588/0478 →
Change of Name
Apr 4, 2014
From: BUCYRUS DBT EUROPE GMBH
To: BUCYRUS EUROPE GMBH
Reel/Frame 032607/0447 →
Change of Name
Apr 7, 2014
From: BUCYRUS EUROPE GMBH
To: CATERPILLAR GLOBAL MINING EUROPE GMBH
Reel/Frame 032621/0612 →
Assignment of Assignor's Interest
Nov 22, 2022
From: CATERPILLAR GLOBAL MINING EUROPE GMBH
To: CATERPILLAR INC.
Reel/Frame 061987/0528 →