- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/333 - Filters with filtering elements which move during the filtering operation with individual filtering elements moving along a closed path
Patent holdings for IPC class B01D 33/333
Total number of patents in this class: 43
10-year publication summary
|
9
|
3
|
3
|
3
|
3
|
4
|
4
|
1
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Duperon Innovation, LLC | 18 |
4 |
| Evoqua Water Technologies LLC | 930 |
3 |
| Passavant-Geiger GmbH | 27 |
3 |
| Exactration, LLC | 12 |
2 |
| FSM Frankenberger GmbH & Co. KG | 4 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| Aqseptence Group Pty Ltd | 22 |
2 |
| Parkson Corporation | 120 |
2 |
| Aqseptence Group GmbH | 15 |
1 |
| Bunri Incorporation | 25 |
1 |
| China General Nuclear Power Corporation | 285 |
1 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 248 |
1 |
| Huber SE | 104 |
1 |
| Hydro-dyne Engineering, Inc. | 5 |
1 |
| Kubota Corporation | 4391 |
1 |
| Mahr Maschinenbau Gesellschaft m.b.H. | 1 |
1 |
| Mellegard & Naij AB | 1 |
1 |
| Siemens Healthcare Diagnostics Inc. | 2146 |
1 |
| Sulzer Management AG | 712 |
1 |
| KC Samyang Water Systems Co., Ltd. | 2 |
1 |
| Other owners | 11 |