Patent Assignment
Reel/Frame 013979/0843
Assignment of Assignor's Interest
Recorded: 2003-04-18
Pages: 4
Assignors
KEIL, ULRICH
Executed: 2003-03-17
KUSCH, HARALD
Executed: 2003-03-17
SCHONFELDER, TORALF
Executed: 2003-03-17
BENDINGER, BERND
Executed: 2003-03-17
WICHMANN, KNUT
Executed: 2003-03-17
Assignees
STEAG ENCOTEC GMBH
RUTTENSCHEIDER STRASSE 1-3, D-45128, ESSEN, GERMANY
KRAFTWERKS- UND NETZGESELLSCHAFT MBH
AM KUHITURM, D-18147 ROSTOCK, GERMANY
DVGW-FORSCHUNGSSTELLE TUHH
SCHWARZENBERG STRASSE 95, D-21073 HAMBURG, 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
Aug 22, 2002
From: KEIL, ULRICH; KUSCH, HARALD; SCHONFELDER, TORALF; BENDINGER, BERND
To: STEAG ENCOTEC GMBH
Reel/Frame 013419/0820 →
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 →