- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 33/06 - Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
Patent holdings for IPC class B01D 33/06
Total number of patents in this class: 220
10-year publication summary
|
20
|
18
|
13
|
18
|
15
|
17
|
15
|
13
|
11
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
18 |
| Mitsubishi Kakoki Kaisha, Ltd. | 48 |
7 |
| Miura Co., Ltd. | 287 |
6 |
| Andritz Inc. | 344 |
5 |
| Bunri Incorporation | 28 |
5 |
| Fenwal, Inc. | 626 |
5 |
| TM Industrial Supply, Inc. | 19 |
5 |
| Eastman Chemical Company | 2239 |
4 |
| Safe Foods Corporation | 82 |
4 |
| Metso Paper, Inc. | 528 |
3 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 122 |
3 |
| Sulzer Management AG | 613 |
3 |
| ANDRITZ KMPT GmbH | 8 |
2 |
| BHS-Sonthofen GmbH | 44 |
2 |
| Cidra Corporate Services, LLC | 91 |
2 |
| Daritech, Inc. | 38 |
2 |
| Ettlinger Kunststoffmaschinen GmbH | 10 |
2 |
| Exactration, LLC | 11 |
2 |
| Fluid-Quip, Inc. | 12 |
2 |
| Hitachi Plant Technologies, Ltd. | 67 |
2 |
| Other owners | 136 |