- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 61/10 - Accessories; Auxiliary operations
Patent holdings for IPC class B01D 61/10
Total number of patents in this class: 446
10-year publication summary
|
29
|
31
|
46
|
46
|
45
|
46
|
48
|
43
|
30
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
16 |
| Hitachi, Ltd. | 16452 |
14 |
| Fluid Equipment Development Company, LLC | 84 |
14 |
| Kurita Water Industries Ltd. | 1110 |
14 |
| Natural Ocean Well Co. | 25 |
12 |
| Coway Co., Ltd. | 649 |
10 |
| Toray Industries, Inc. | 6652 |
9 |
| Organo Corporation | 394 |
8 |
| Ebara Corporation | 1951 |
7 |
| DS Services of America, Inc. | 266 |
7 |
| EcoWater Systems LLC | 139 |
5 |
| Nanyang Technological University | 1739 |
5 |
| Topper Manufacturing Corporation | 19 |
5 |
| Coway Co., Ltd. | 13 |
5 |
| General Electric Company | 18133 |
4 |
| Massachusetts Institute of Technology | 9795 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
4 |
| Ecolab USA Inc. | 5190 |
4 |
| Kemflo (Nanjing) Environmental Technology Co., Ltd. | 25 |
4 |
| Membrane Recovery Ltd | 8 |
4 |
| Other owners | 291 |