- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/25 - Supported filter elements arranged for outward flow filtration open-ended
Patent holdings for IPC class B01D 29/25
Total number of patents in this class: 74
10-year publication summary
|
3
|
4
|
5
|
11
|
3
|
4
|
5
|
3
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tsukishima Kikai Co., Ltd. | 114 |
7 |
| CLEANR Inc. | 34 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
3 |
| Metawater Co., Ltd. | 200 |
3 |
| Amukon Kabushiki Kaisha | 9 |
2 |
| Arai Machinery Corporation | 11 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
2 |
| Rockwool A/S | 834 |
2 |
| NEC Corporation | 37004 |
1 |
| Sumitomo Chemical Company, Limited | 9016 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2858 |
1 |
| Uop LLC | 4393 |
1 |
| Mitsubishi Chemical Corporation | 4724 |
1 |
| Kaneka Corporation | 4703 |
1 |
| Korea Institute of Science and Technology | 2249 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Andritz Fiedler GmbH | 30 |
1 |
| Argo-Tech Corporation | 2 |
1 |
| ARK Co. Ltd. | 8 |
1 |
| Central Garden and Pet Company | 5 |
1 |
| Other owners | 36 |