Patent holdings for IPC class B01D 21/06

Total number of patents in this class: 106

10-year publication summary

4
8
10
7
11
5
3
5
9
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Kurita Water Industries Ltd.
1150
8
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6220
6
LINKON TECHNOLOGY CO., LTD. (a legal entity)
14
4
Outotec Oyj
302
4
Toshiba Infrastructure Systems & Solutions Corporation
1015
4
Ovivo Inc.
147
3
Veolia Water Solutions & Technologies Support
542
3
Kadant Black Clawson LLC
35
3
Finnketju Invest Oy
3
2
Kadant Black Clawson Inc.
9
2
Organo Corporation
436
2
Rio Tinto ALCAN International Limited
216
2
Suez International
326
2
Sumitomo Metal Mining Co., Ltd.
1726
2
Valmet AB
494
2
Sudhin Biopharma
13
2
FLSmidth A/S
859
2
Emods Technology, L.L.C.
6
2
Metso Outotec Finland Oy
797
2
Centre National de La Recherche Scientifique
10068
1
Other owners 48