- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 61/08 - Apparatus therefor
Patent holdings for IPC class B01D 61/08
Total number of patents in this class: 727
10-year publication summary
|
52
|
46
|
85
|
85
|
94
|
89
|
98
|
79
|
56
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Equipment Development Company, LLC | 84 |
26 |
| Kurita Water Industries Ltd. | 1110 |
18 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
14 |
| Hitachi, Ltd. | 16452 |
14 |
| Organo Corporation | 394 |
14 |
| Natural Ocean Well Co. | 25 |
14 |
| LG Chem, Ltd. | 17205 |
10 |
| Toray Industries, Inc. | 6652 |
10 |
| Midea Group Co., Ltd. | 4025 |
10 |
| BL Technologies, Inc. | 831 |
9 |
| Coway Co., Ltd. | 649 |
8 |
| Topper Manufacturing Corporation | 19 |
8 |
| UNGER Marketing International, LLC | 304 |
8 |
| DS Services of America, Inc. | 266 |
7 |
| EcoWater Systems LLC | 139 |
7 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
7 |
| Gradiant Corporation | 123 |
7 |
| Nanyang Technological University | 1739 |
7 |
| Battelle Memorial Institute | 2356 |
6 |
| Electrophor, Inc. | 48 |
6 |
| Other owners | 517 |