- 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: 375
10-year publication summary
|
28
|
28
|
28
|
31
|
32
|
22
|
32
|
27
|
26
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sartorius Stedim Biotech GmbH | 879 |
13 |
| Kurita Water Industries Ltd. | 1290 |
8 |
| Organo Corporation | 542 |
7 |
| Glycom A/S | 246 |
7 |
| Toray Industries, Inc. | 7139 |
6 |
| Neo Water Treatment LLC | 19 |
6 |
| BASF SE | 21306 |
5 |
| Georgia Tech Research Corporation | 2963 |
5 |
| BL Technologies, Inc. | 839 |
5 |
| Cranfield University | 94 |
5 |
| SPF Innovations, LLC | 11 |
5 |
| Centre National de La Recherche Scientifique | 11059 |
4 |
| Aqua-Aerobic Systems, Inc. | 86 |
4 |
| Avril | 70 |
4 |
| Duynie Holding B.V. | 38 |
4 |
| Nomura Micro Science Co., Ltd. | 89 |
4 |
| S.A. Lhoist Recherche et Developpement | 207 |
4 |
| United Therapeutics Corporation | 332 |
4 |
| Universite de Lorraine | 399 |
4 |
| Veolia Water Solutions & Technologies Support | 533 |
4 |
| Other owners | 267 |