Patent Assignment
Reel/Frame 013419/0820
Assignment of Assignor's Interest
Recorded: 2002-08-22
Pages: 3
Assignors
KEIL, ULRICH
Executed: 2002-06-16
KUSCH, HARALD
Executed: 2002-06-13
SCHONFELDER, TORALF
Executed: 2002-06-13
BENDINGER, BERND
Executed: 2002-06-13
WICHMANN, KNUT
Executed: 2002-06-13
Assignee
STEAG ENCOTEC GMBH
RUTTENSCHEIDER STRASSE 1-3, D-45128 ESSEN, GERMANY
Covered Property
(1)
Method and Apparatus for Purifying Untreated Water
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 18, 2003
From: KEIL, ULRICH; KUSCH, HARALD; SCHONFELDER, TORALF; BENDINGER, BERND
To: STEAG ENCOTEC GMBH; KRAFTWERKS- UND NETZGESELLSCHAFT MBH; DVGW-FORSCHUNGSSTELLE TUHH
Reel/Frame 013979/0843 →
Change of Name
Apr 8, 2008
From: STEAG ENCOTEC GMBH
To: EVONIK ENCOTEC GMBH
Reel/Frame 020793/0947 →
Change of Name
Apr 10, 2008
From: EVONIK ENCOTEC GMBH
To: EVONIK ENERGY SERVICES GMBH
Reel/Frame 020794/0089 →
Change of Name
Jan 25, 2012
From: EVONIK ENERGY SERVICES GMBH
To: STEAG ENERGY SERVICES GMBH
Reel/Frame 027594/0785 →