- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/58 - Handling the filter cake in the filter for purposes other than for regenerating
Patent holdings for IPC class B01D 33/58
Total number of patents in this class: 44
10-year publication summary
|
2
|
1
|
2
|
3
|
0
|
1
|
1
|
2
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15705 |
5 |
| Bunri Incorporation | 28 |
5 |
| Mitsubishi Kakoki Kaisha, Ltd. | 70 |
5 |
| Metawater Co., Ltd. | 199 |
4 |
| Miura Co., Ltd. | 289 |
3 |
| UTS Biogastechnik GmbH | 28 |
3 |
| Tsukishima Kikai Co., Ltd. | 114 |
2 |
| Valmet AB | 519 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 762 |
2 |
| Toyota Industries Corporation | 1149 |
1 |
| Amukon Kabushiki Kaisha | 10 |
1 |
| Cabanga Innovations (Pty) Ltd | 1 |
1 |
| California Polytechnic Corporation | 3 |
1 |
| Cubility AS | 38 |
1 |
| Gaudfrin | 21 |
1 |
| Hitachi Plant Technologies, Ltd. | 66 |
1 |
| Tomoe Engineering Co., Ltd. | 44 |
1 |
| Ashbrook Simon-Hartley Limited | 1 |
1 |
| Biotain AB | 2 |
1 |
| BL Tec K.K. | 16 |
1 |
| Other owners | 2 |