Patent Assignment
Reel/Frame 017909/0540
Assignment of Assignor's Interest
Recorded: 2006-05-10
Pages: 2
Assignor
BRUGGENDICK, HERMANN
Executed: 2006-04-21
Assignee
STEAG ENCOTEC GMBH
RUTTENSCHEIDER STRASSE 1-3, ESSEN, 45128, GERMANY
Covered Property
(1)
Method and arrangement for controlling the draft effect of a flue duct upon an upstream exhaust gas cleaning system
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
May 23, 2008
From: STEAG ENCOTEC GMBH
To: EVONIK ENCOTEC GMBH
Reel/Frame 021004/0115 →
Change of Name
Jun 6, 2008
From: EVONIK ENCOTEC GMBH
To: EVONIK ENERGY SERVICES GMBH
Reel/Frame 021066/0570 →
Change of Name
Jan 25, 2012
From: EVONIK ENERGY SERVICES GMBH
To: STEAG ENERGY SERVICES GMBH
Reel/Frame 027594/0785 →