Patent Assignment
Reel/Frame 023101/0637
Assignment of Assignor's Interest
Recorded: 2009-08-14
Pages: 3
Assignor
KUJAWA, CHRISTIAN
Executed: 2009-08-10
Assignee
OUTOTEC OYJ
P.O. BOX 86, ESPOO, FI-02201, FINLAND
Covered Property
(1)
Froth Flotation Method and Apparatus, a Froth Flotation Method and Apparatus for Extracting Bitumen from a Slurry of Water and Oil Sand, and Use of the Apparatus
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Aug 21, 2023
From: OUTOTEC OYJ
To: OUTOTEC (FINLAND) OY
Reel/Frame 064644/0211 →
Merger and Change of Name
Aug 21, 2023
From: OUTOTEC (FINLAND) OY; METSO MINERALS OY
To: METSO OUTOTEC FINLAND OY
Reel/Frame 064644/0215 →
Change of Address
Aug 21, 2023
From: OUTOTEC OYJ
To: OUTOTEC OYJ
Reel/Frame 064657/0160 →
Change of Name
Sep 19, 2025
From: METSO OUTOTEC FINLAND OY
To: METSO FINLAND OY
Reel/Frame 072909/0754 →