Patent Assignment
Reel/Frame 009588/0332
Assignment of Assignor's Interest
Recorded: 1998-09-09
Pages: 2
Assignee
STEAG AKTIENGESELLSCHAFT
RUTTENSCHEIDER STRASSE, D-45128 ESSEN, GERMANY
Covered Property
(1)
Method and Device for Cleaning Flue Gases from Furnaces
Patent:
6,090,355 →
Application:
09/068,692 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 5, 2000
From: STEAG AKTIENGESELLSCHAFT
To: STEAG ENCOTEC
Reel/Frame 011277/0863 →
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 →