- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 21/08 - Settling tanks provided with flocculating compartments
Patent holdings for IPC class B01D 21/08
Total number of patents in this class: 108
10-year publication summary
|
6
|
6
|
11
|
10
|
11
|
8
|
7
|
2
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1207 |
9 |
| Veolia Water Solutions & Technologies Support | 535 |
7 |
| Organo Corporation | 489 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6261 |
4 |
| Rototec AB | 7 |
4 |
| Rio Tinto ALCAN International Limited | 214 |
3 |
| Toshiba Infrastructure Systems & Solutions Corporation | 711 |
3 |
| AECOM | 94 |
2 |
| Evoqua Water Technologies LLC | 920 |
2 |
| Japan Alsi Co., Ltd. | 14 |
2 |
| Orege | 37 |
2 |
| Q'Max Solutions Inc. | 22 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1795 |
2 |
| United Rentals, Inc. | 115 |
2 |
| Anhui University of Science & Technology | 24 |
2 |
| Gyeongju-si,gyeongsangbuk-do | 4 |
2 |
| Sumitomo Heavy Industries Environment Co., Ltd. | 7 |
2 |
| Andritz Delkor (Pty) Ltd | 3 |
2 |
| Clartec LLC | 2 |
2 |
| Allen-sherman-hoff, LLC | 12 |
2 |
| Other owners | 48 |