- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 47/022 - Column or bed processes characterised by the construction of the column or container
Patent holdings for IPC class B01J 47/022
Total number of patents in this class: 74
10-year publication summary
|
2
|
5
|
6
|
7
|
6
|
10
|
8
|
6
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LiLAC Solutions, Inc. | 59 |
8 |
| The Trustees of the University of Pennsylvania | 4389 |
4 |
| Organo Corporation | 507 |
4 |
| Toyota Boshoku Kabushiki Kaisha | 1447 |
4 |
| Veolia Nuclear Solutions Inc. | 63 |
4 |
| Kurita Water Industries Ltd. | 1234 |
3 |
| West Invest SA | 33 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
2 |
| Clack Corporation | 38 |
2 |
| Dionex Corporation | 325 |
2 |
| Evoqua Water Technologies LLC | 922 |
2 |
| ROKI Co., Ltd. | 35 |
2 |
| Tersano Inc. | 27 |
2 |
| Specialty Electronic Materials Netherlands B.V. | 6 |
2 |
| HP Bioengineering, LLC | 2 |
2 |
| EMD Millipore Corporation | 640 |
1 |
| Nissan Motor Co., Ltd. | 12683 |
1 |
| A. o. Smith Corporation | 212 |
1 |
| BWT Aktiengesellschaft | 38 |
1 |
| EcoWater Systems LLC | 133 |
1 |
| Other owners | 23 |