- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/44 - Regenerating the filter material in the filter
Patent holdings for IPC class B01D 33/44
Total number of patents in this class: 70
10-year publication summary
|
5
|
3
|
4
|
7
|
4
|
5
|
4
|
4
|
1
|
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. | 16355 |
4 |
| Mitsubishi Kakoki Kaisha, Ltd. | 89 |
4 |
| Miura Co., Ltd. | 285 |
3 |
| Yucheon Enviro Co., Ltd. | 4 |
3 |
| Ant Corporation | 4 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 328 |
2 |
| Univenture, Inc., AKA Biobent Polymers | 8 |
2 |
| Veolia Water Solutions & Technologies Support | 534 |
2 |
| Xeros Limited | 120 |
2 |
| Samsung Electronics Co., Ltd. | 157946 |
1 |
| Bridgestone Corporation | 7262 |
1 |
| Air Products and Chemicals, Inc. | 1474 |
1 |
| Northwestern University | 3546 |
1 |
| Amukon Kabushiki Kaisha | 9 |
1 |
| Andritz Inc. | 322 |
1 |
| Aqseptence Group, Inc. | 79 |
1 |
| Blue Earth Labs, LLC | 55 |
1 |
| Blue Water Technologies, Inc. | 3 |
1 |
| Bokela Ingenieurgesellschaft fur Mechanische Verfahrenstechnik mbH | 3 |
1 |
| Bunri Incorporation | 25 |
1 |
| Other owners | 35 |