Patent Assignment
Reel/Frame 032943/0433
Assignment of Assignor's Interest
Recorded: 2014-05-21
Pages: 2
Assignors
TANTTU, LEENA
Executed: 2014-04-25
KAUPPI, JANNE
Executed: 2014-04-25
OINONEN, YRJO
Executed: 2014-04-28
Assignee
OUTOTEC (FILTERS) OY
TUKKIKATU 1, LAPPEENRANTA, 53900, FINLAND
Covered Property
(1)
Method for Preparing a Precoat on the Surface of the Filter Medium of a Polishing Filter, Polishing Filter and Use of a Polishing Filter
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 25, 2023
From: OUTOTEC (FILTERS) OY
To: METSO MINERALS OY
Reel/Frame 065345/0498 →
Change of Name
Oct 25, 2023
From: METSO MINERALS OY
To: METSO OUTOTEC FINLAND OY
Reel/Frame 065345/0805 →
Change of Name
Sep 19, 2025
From: METSO OUTOTEC FINLAND OY
To: METSO FINLAND OY
Reel/Frame 072909/0754 →