- 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: 40
10-year publication summary
|
1
|
2
|
4
|
0
|
1
|
1
|
2
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16331 |
5 |
| Mitsubishi Kakoki Kaisha, Ltd. | 89 |
5 |
| Bunri Incorporation | 25 |
4 |
| Metawater Co., Ltd. | 200 |
4 |
| Miura Co., Ltd. | 285 |
3 |
| UTS Biogastechnik GmbH | 28 |
3 |
| Tsukishima Kikai Co., Ltd. | 114 |
2 |
| Valmet AB | 554 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 868 |
2 |
| Toyota Industries Corporation | 1209 |
1 |
| Amukon Kabushiki Kaisha | 9 |
1 |
| California Polytechnic Corporation | 3 |
1 |
| Cubility AS | 33 |
1 |
| Gaudfrin | 22 |
1 |
| Hitachi Plant Technologies, Ltd. | 59 |
1 |
| Biotain AB | 2 |
1 |
| BL Tec K.K. | 19 |
1 |
| Mitsubishi Power, Ltd. | 1833 |
1 |
| Zhejiang Quzhou Mingde New Material Co., Ltd. | 3 |
1 |
| Other owners | 0 |