- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 9/04 - Crystallisation from solutions concentrating solutions by removing frozen solvent therefrom
Patent holdings for IPC class B01D 9/04
Total number of patents in this class: 55
10-year publication summary
|
6
|
5
|
3
|
3
|
3
|
2
|
1
|
3
|
1
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meiji Co., Ltd. | 738 |
9 |
| Oy Infraconsulting AB Ltd | 4 |
3 |
| Chongyi Fubaile Development Co., Ltd. | 5 |
3 |
| The Regents of the University of Michigan | 4911 |
2 |
| Anesthetic Gas Reclamation, LLC | 3 |
2 |
| Icegen Patent Corp. | 4 |
2 |
| Sulzer Chemtech AG | 64 |
2 |
| Sulzer Management AG | 697 |
2 |
| Shell Oil Company | 2091 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5176 |
1 |
| Battelle Energy Alliance, LLC | 599 |
1 |
| Concepts Nrec, LLC | 56 |
1 |
| ExxonMobil Upstream Research Company | 2335 |
1 |
| Hilliard Emission Controls, Inc. | 3 |
1 |
| Indian Institute of Technology Bombay | 271 |
1 |
| Kyowa Hakko Bio Co., Ltd. | 292 |
1 |
| Linde Aktiengesellschaft | 1435 |
1 |
| Nagarjuna Energy Private Limited | 8 |
1 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2423 |
1 |
| NREC Transitory Corporation | 13 |
1 |
| Other owners | 18 |