- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/78 - Handling the filter cake in the filter for purposes other than for regenerating for washing
Patent holdings for IPC class B01D 29/78
Total number of patents in this class: 31
10-year publication summary
|
1
|
5
|
2
|
2
|
1
|
5
|
1
|
1
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alconbury Weston Ltd | 4 |
3 |
| Filtration Technology Corporation | 48 |
3 |
| BASF Corporation | 1715 |
2 |
| Gaudfrin | 21 |
2 |
| ICM, Inc. | 75 |
2 |
| PanAsia Co., Ltd. | 114 |
2 |
| Ropen Co., Ltd. | 4 |
2 |
| BASF SE | 20915 |
1 |
| Murata Manufacturing Co., Ltd. | 24575 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
1 |
| Green Technology Co., Ltd. | 6 |
1 |
| Grupo Petrotemex, S.A. de C.V. | 42 |
1 |
| Korea Filter Co., Ltd. | 3 |
1 |
| Metso Paper, Inc. | 422 |
1 |
| Techcross Co., Ltd. | 37 |
1 |
| Xeros Limited | 135 |
1 |
| Global Enfiltec Co., Ltd. | 1 |
1 |
| Shenzhen Institute of Wide-bandgap Semiconductors | 37 |
1 |
| Young Chang Eco Co., Ltd. | 7 |
1 |
| ODH IP Corp. | 15 |
1 |
| Other owners | 2 |