- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 61/12 - Controlling or regulating
Patent holdings for IPC class B01D 61/12
Total number of patents in this class: 659
10-year publication summary
|
40
|
53
|
60
|
72
|
69
|
71
|
56
|
64
|
48
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1110 |
39 |
| Fluid Equipment Development Company, LLC | 84 |
32 |
| Toray Industries, Inc. | 6652 |
17 |
| Organo Corporation | 394 |
14 |
| Hitachi, Ltd. | 16452 |
13 |
| Baxter International Inc. | 2425 |
13 |
| BP Exploration Operating Company Limited | 270 |
13 |
| Baxter Healthcare S.A. | 1810 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
| BL Technologies, Inc. | 831 |
9 |
| Veolia Water Solutions & Technologies Support | 547 |
9 |
| Massachusetts Institute of Technology | 9795 |
8 |
| Coway Co., Ltd. | 649 |
8 |
| Topper Manufacturing Corporation | 19 |
8 |
| UNGER Marketing International, LLC | 304 |
8 |
| Dow Global Technologies LLC | 10147 |
7 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
7 |
| EcoWater Systems LLC | 139 |
7 |
| Nanyang Technological University | 1739 |
7 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
7 |
| Other owners | 410 |