- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/10 - AccessoriesAuxiliary operations
Patent holdings for IPC class B01D 61/10
Total number of patents in this class: 481
10-year publication summary
|
31
|
46
|
46
|
45
|
46
|
48
|
45
|
31
|
44
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17581 |
16 |
| Kurita Water Industries Ltd. | 1188 |
16 |
| Hitachi, Ltd. | 15462 |
14 |
| Fluid Equipment Development Company, LLC | 89 |
14 |
| Natural Ocean Well Co. | 27 |
14 |
| Toray Industries, Inc. | 6918 |
11 |
| Coway Co., Ltd. | 724 |
11 |
| Organo Corporation | 460 |
8 |
| Ebara Corporation | 2160 |
7 |
| DS Services of America, Inc. | 265 |
7 |
| Massachusetts Institute of Technology | 10024 |
5 |
| EcoWater Systems LLC | 136 |
5 |
| Membrane Recovery Ltd | 8 |
5 |
| Nanyang Technological University | 1989 |
5 |
| Topper Manufacturing Corporation | 17 |
5 |
| Coway Co., Ltd. | 13 |
5 |
| DDP Specialty Electronic Materials US, LLC | 801 |
5 |
| Solventum Intellectual Properties Company | 3314 |
5 |
| General Electric Company | 13838 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| Other owners | 315 |