- 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: 50
10-year publication summary
|
3
|
6
|
5
|
3
|
3
|
3
|
2
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meiji Co., Ltd. | 706 |
9 |
| The Regents of the University of Michigan | 4595 |
2 |
| Anesthetic Gas Reclamation, LLC | 4 |
2 |
| Icegen Patent Corp. | 6 |
2 |
| Sulzer Chemtech AG | 67 |
2 |
| Sulzer Management AG | 665 |
2 |
| Shell Oil Company | 2151 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4821 |
1 |
| Battelle Energy Alliance, LLC | 570 |
1 |
| APAX OTC Business Development LLC | 33 |
1 |
| Concepts Nrec, LLC | 57 |
1 |
| ExxonMobil Upstream Research Company | 2454 |
1 |
| Hilliard Emission Controls, Inc. | 3 |
1 |
| Indian Institute of Technology Bombay | 250 |
1 |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | 156 |
1 |
| Kyowa Hakko Bio Co., Ltd. | 304 |
1 |
| Linde Aktiengesellschaft | 1548 |
1 |
| Nagarjuna Energy Private Limited | 9 |
1 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2386 |
1 |
| NREC Transitory Corporation | 13 |
1 |
| Other owners | 17 |