- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/52 - AccessoriesAuxiliary operation
Patent holdings for IPC class B01D 61/52
Total number of patents in this class: 136
10-year publication summary
|
6
|
8
|
7
|
3
|
7
|
12
|
15
|
4
|
14
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| POSCO Holdings Inc. | 693 |
14 |
| Samsung Electronics Co., Ltd. | 157946 |
10 |
| Evoqua Water Technologies LLC | 930 |
9 |
| Texopco LLC | 42 |
8 |
| Massachusetts Institute of Technology | 10254 |
4 |
| Ionic Solutions Ltd. | 22 |
4 |
| NxStage Medical, Inc. | 297 |
4 |
| General Electric Company | 13910 |
3 |
| Kemflo International Co., Ltd. | 24 |
3 |
| Kemflo (Nanjing) Environmental Technology Co., Ltd. | 26 |
3 |
| Organo Corporation | 537 |
3 |
| Seoul National University R&db Foundation | 4177 |
3 |
| Industry Academic Cooperation Foundation, Hallym University | 86 |
2 |
| Kongju National University Industry-University Cooperation Foundation | 111 |
2 |
| Kurita Water Industries Ltd. | 1283 |
2 |
| OceanSaver AS | 7 |
2 |
| Saltworks Technologies Inc. | 100 |
2 |
| Stichting Wetsus Centre of Excellence for Sustainable Water Technology | 38 |
2 |
| SWAN Analytische Instrumente AG | 35 |
2 |
| X Development LLC | 1396 |
2 |
| Other owners | 52 |