- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 9/00 - Crystallisation
Patent holdings for IPC class B01D 9/00
Total number of patents in this class: 989
10-year publication summary
|
72
|
53
|
74
|
123
|
126
|
92
|
99
|
90
|
69
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
25 |
| Sulzer Management AG | 613 |
24 |
| Veolia Water Technologies, Inc. | 80 |
12 |
| Sulzer Chemtech AG | 69 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
| M. Technique Co., Ltd. | 237 |
8 |
| Siemens AG | 24990 |
7 |
| Massachusetts Institute of Technology | 9795 |
7 |
| E. & J. Gallo Winery | 1852 |
7 |
| GEA Messo GmbH | 9 |
7 |
| INEOS US Chemicals Company | 32 |
7 |
| Biosyn Arzneimittel GmbH | 74 |
6 |
| Cap III B.V. | 53 |
6 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
6 |
| Nippon Shokubai Co., Ltd. | 1487 |
6 |
| Sanuwave, Inc. | 84 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Carbon Engineering ULC | 27 |
6 |
| DSM IP Assets B.V. | 5856 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| Other owners | 814 |