- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 11/02 - Solvent extraction of solids
Patent holdings for IPC class B01D 11/02
Total number of patents in this class: 2219
10-year publication summary
|
106
|
130
|
169
|
229
|
256
|
266
|
229
|
180
|
166
|
149
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gene Pool Technologies, Inc. | 26 |
24 |
| Ecolab USA Inc. | 5598 |
19 |
| Natural Extraction Systems, LLC | 110 |
18 |
| Psilo Scientific Ltd. | 54 |
17 |
| Crown Iron Works Company | 40 |
14 |
| Hitachi, Ltd. | 15692 |
13 |
| HEXO Operations Inc. | 183 |
13 |
| BASF SE | 21087 |
12 |
| Centre National de La Recherche Scientifique | 10693 |
12 |
| Dionex Corporation | 326 |
11 |
| The Procter & Gamble Company | 21989 |
10 |
| Bridgestone Corporation | 7217 |
10 |
| Apeel Technology, Inc., DBA Apeel Sciences, Inc. | 181 |
10 |
| Nextleaf Solutions Ltd. | 39 |
10 |
| Crown Iron Works Company LLC | 37 |
10 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 204 |
9 |
| LG Chem, Ltd. | 17679 |
8 |
| Jiangnan University | 1560 |
8 |
| Avignon Universite | 47 |
8 |
| Tate & Lyle Solutions USA LLC | 124 |
8 |
| Other owners | 1975 |