- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/16 - Feed pretreatment
Patent holdings for IPC class B01D 61/16
Total number of patents in this class: 353
10-year publication summary
|
19
|
28
|
28
|
28
|
31
|
32
|
22
|
31
|
25
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sartorius Stedim Biotech GmbH | 823 |
11 |
| BASF SE | 20728 |
7 |
| Kurita Water Industries Ltd. | 1182 |
7 |
| Organo Corporation | 452 |
7 |
| Glycom A/S | 251 |
7 |
| Toray Industries, Inc. | 6867 |
6 |
| Neo Water Treatment LLC | 19 |
6 |
| Georgia Tech Research Corporation | 2704 |
5 |
| BL Technologies, Inc. | 828 |
5 |
| Cranfield University | 86 |
5 |
| SPF Innovations, LLC | 13 |
5 |
| Veolia Water Solutions & Technologies Support | 537 |
5 |
| Centre National de La Recherche Scientifique | 10284 |
4 |
| Avril | 66 |
4 |
| Duynie Holding B.V. | 39 |
4 |
| S.A. Lhoist Recherche et Developpement | 173 |
4 |
| Universite de Lorraine | 379 |
4 |
| Aqua-Aerobic Systems, Inc. | 87 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2633 |
3 |
| Asahi Kasei Medical Co., Ltd. | 297 |
3 |
| Other owners | 248 |