Patent holdings for IPC class B01D 21/06

Total number of patents in this class: 105

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.
1187
8
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6269
6
LINKON TECHNOLOGY CO., LTD. (a legal entity)
14
4
Outotec Oyj
279
4
Toshiba Infrastructure Systems & Solutions Corporation
1053
4
Ovivo Inc.
154
3
Veolia Water Solutions & Technologies Support
535
3
Kadant Black Clawson LLC
38
3
Finnketju Invest Oy
3
2
Kadant Black Clawson Inc.
7
2
Organo Corporation
457
2
Rio Tinto ALCAN International Limited
216
2
Suez International
333
2
Sumitomo Metal Mining Co., Ltd.
1761
2
Valmet AB
500
2
Sudhin Biopharma
13
2
FLSmidth A/S
771
2
Centre National de La Recherche Scientifique
10350
1
Panasonic Intellectual Property Management Co., Ltd.
31022
1
Sumitomo Chemical Company, Limited
9018
1
Other owners 49