- All sections
- B - Performing operationstransporting
- B03D - Flotationdifferential sedimentation
- B03D 1/20 - Flotation machines with impellersSubaeration machines with internal air pumps
Patent holdings for IPC class B03D 1/20
Total number of patents in this class: 31
10-year publication summary
|
0
|
4
|
0
|
3
|
3
|
0
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0
|
1
|
0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Finland Oy | 688 |
8 |
| Outotec (Finland) Oy | 455 |
7 |
| FLSmidth A/S | 789 |
7 |
| Cidra Corporate Services, LLC | 100 |
2 |
| Virginia Tech Intellectual Properties, Inc. | 952 |
2 |
| Siemens AG | 24029 |
1 |
| Metso Sweden AB | 66 |
1 |
| Primetals Technologies Germany GmbH | 220 |
1 |
| Weir Minerals Australia, Ltd. | 310 |
1 |
| Metso Finland Oy | 25 |
1 |
| Other owners | 0 |