- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/12 - Controlling or regulating
Patent holdings for IPC class B01D 61/12
Total number of patents in this class: 746
10-year publication summary
|
52
|
58
|
67
|
63
|
68
|
56
|
63
|
47
|
72
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1207 |
43 |
| Fluid Equipment Development Company, LLC | 89 |
34 |
| Organo Corporation | 489 |
20 |
| Toray Industries, Inc. | 7000 |
18 |
| Baxter International Inc. | 2415 |
16 |
| Baxter Healthcare S.A. | 1836 |
15 |
| Hitachi, Ltd. | 15588 |
13 |
| BP Exploration Operating Company Limited | 268 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
12 |
| Coway Co., Ltd. | 737 |
12 |
| BL Technologies, Inc. | 836 |
9 |
| Veolia Water Solutions & Technologies Support | 535 |
9 |
| Massachusetts Institute of Technology | 10115 |
8 |
| Nanyang Technological University | 2042 |
8 |
| Topper Manufacturing Corporation | 17 |
8 |
| UNGER Marketing International, LLC | 339 |
8 |
| DDP Specialty Electronic Materials US, LLC | 840 |
8 |
| Acwa Power Company | 42 |
8 |
| EcoWater Systems LLC | 134 |
7 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 197 |
7 |
| Other owners | 470 |