- 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: 861
10-year publication summary
|
85
|
85
|
94
|
89
|
97
|
83
|
64
|
76
|
55
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Equipment Development Company, LLC | 89 |
27 |
| Organo Corporation | 537 |
21 |
| Kurita Water Industries Ltd. | 1283 |
20 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
15 |
| Hitachi, Ltd. | 16071 |
14 |
| Toray Industries, Inc. | 7096 |
12 |
| Coway Co., Ltd. | 788 |
11 |
| Natural Ocean Well Co. | 23 |
11 |
| Midea Group Co., Ltd. | 4979 |
10 |
| BL Technologies, Inc. | 843 |
8 |
| Gradiant Corporation | 147 |
8 |
| Nanyang Technological University | 2200 |
8 |
| Topper Manufacturing Corporation | 17 |
8 |
| UNGER Marketing International, LLC | 344 |
8 |
| Purdue Research Foundation | 3913 |
7 |
| DS Services of America, Inc. | 237 |
7 |
| EcoWater Systems LLC | 142 |
7 |
| Electrophor, Inc. | 48 |
7 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 343 |
7 |
| Danfoss A/S | 1428 |
7 |
| Other owners | 638 |