- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/08 - Apparatus therefor
Patent holdings for IPC class B01D 61/08
Total number of patents in this class: 809
10-year publication summary
|
46
|
81
|
83
|
91
|
86
|
96
|
80
|
58
|
72
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Equipment Development Company, LLC | 89 |
26 |
| Kurita Water Industries Ltd. | 1203 |
18 |
| Organo Corporation | 480 |
18 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
15 |
| Natural Ocean Well Co. | 27 |
15 |
| Hitachi, Ltd. | 15556 |
14 |
| Toray Industries, Inc. | 6976 |
11 |
| LG Chem, Ltd. | 17644 |
10 |
| Coway Co., Ltd. | 735 |
10 |
| Midea Group Co., Ltd. | 4600 |
10 |
| BL Technologies, Inc. | 836 |
8 |
| Gradiant Corporation | 131 |
8 |
| Nanyang Technological University | 2035 |
8 |
| Topper Manufacturing Corporation | 17 |
8 |
| UNGER Marketing International, LLC | 339 |
8 |
| Baxter International Inc. | 2414 |
7 |
| DS Services of America, Inc. | 261 |
7 |
| EcoWater Systems LLC | 135 |
7 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 331 |
7 |
| Danfoss A/S | 1353 |
7 |
| Other owners | 587 |