Granted Patent
S1
US 794,745 · App. 29/545,483 · Granted Aug 15, 2017
Flotation tank
Inventors:
Pekka Tähkiö (Espoo, FI); Jukka Lakanen (Espoo, FI); Matti Luukkonen (Helsinki, FI); Valtteri Vaarna (Helsinki, FI)
Assignee:
Outotec (Finland) Oy
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Claims (1)
The ornamental design for a flotation tank, as shown and described.
Assignments (4)
CHANGE OF NAME
Recorded Sep 23, 2025
From: METSO OUTOTEC FINLAND OY
To: METSO FINLAND OY
Reel/Frame 072938/0669 →
MERGER
Recorded Jun 30, 2023
From: OUTOTEC (FINLAND) OY
To: METSO MINERALS OY
Reel/Frame 064129/0317 →
CHANGE OF NAME
Recorded Jun 30, 2023
From: METSO MINERALS OY
To: METSO OUTOTEC FINLAND OY
Reel/Frame 064129/0498 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jun 7, 2017
From: TÄHKIÖ, PEKKA; LAKANEN, JUKKA; LUUKKONEN, MATTI; VAARNA, VALTTERI
To: OUTOTEC (FINLAND) OY
Reel/Frame 042635/0356 →
Priority Claims (1)
EM 001435275-0001
· May 13, 2015
· regional