- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 11/02 - Solvent extraction of solids
Patent holdings for IPC class B01D 11/02
Total number of patents in this class: 2031
10-year publication summary
|
102
|
118
|
143
|
183
|
266
|
297
|
306
|
253
|
202
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5190 |
22 |
| Crown Iron Works Company | 62 |
21 |
| Gene Pool Technologies, Inc. | 22 |
20 |
| Psilo Scientific Ltd. | 50 |
17 |
| HEXO Operations Inc. | 236 |
15 |
| Hitachi, Ltd. | 16452 |
13 |
| Natural Extraction Systems, LLC | 93 |
12 |
| Centre National de La Recherche Scientifique | 9632 |
11 |
| The Procter & Gamble Company | 22178 |
10 |
| Bridgestone Corporation | 7067 |
10 |
| Apeel Technology, Inc., DBA Apeel Sciences, Inc. | 165 |
10 |
| Nextleaf Solutions Ltd. | 40 |
10 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
9 |
| Dionex Corporation | 320 |
8 |
| Jiangnan University | 1410 |
8 |
| Avignon Universite | 35 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Javo Beverage Company, Inc. | 23 |
7 |
| Novita Nutrition, LLC | 21 |
7 |
| Radient Technologies Inc. | 15 |
7 |
| Other owners | 1799 |