- 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: 516
10-year publication summary
|
47
|
46
|
45
|
46
|
48
|
46
|
31
|
46
|
27
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1292 |
17 |
| Hitachi, Ltd. | 16194 |
14 |
| Fluid Equipment Development Company, LLC | 89 |
14 |
| Natural Ocean Well Co. | 23 |
12 |
| Toray Industries, Inc. | 7145 |
11 |
| Coway Co., Ltd. | 792 |
11 |
| LG Chem, Ltd. | 17967 |
9 |
| Organo Corporation | 544 |
9 |
| IDE Water Technologies Ltd. | 59 |
8 |
| Ebara Corporation | 2349 |
7 |
| DS Services of America, Inc. | 232 |
7 |
| DDP Specialty Electronic Materials US, LLC | 844 |
7 |
| Nanoh2o Co., Ltd. | 59 |
7 |
| Massachusetts Institute of Technology | 10290 |
5 |
| EcoWater Systems LLC | 142 |
5 |
| Nanyang Technological University | 2231 |
5 |
| Topper Manufacturing Corporation | 16 |
5 |
| Coway Co., Ltd. | 13 |
5 |
| Danfoss A/S | 1447 |
5 |
| Solventum Intellectual Properties Company | 3428 |
5 |
| Other owners | 348 |