- All sections
- B - Performing operations; transporting
- B03D - Flotation; differential sedimentation
- B03D 1/22 - Flotation machines with impellers; Subaeration machines with external blowers
Patent holdings for IPC class B03D 1/22
Total number of patents in this class: 25
10-year publication summary
|
3
|
1
|
0
|
2
|
6
|
3
|
3
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Outotec Finland Oy | 795 |
4 |
| Eriez Manufacturing Co. | 88 |
3 |
| TAKRAF GmbH | 63 |
3 |
| FLSmidth A/S | 923 |
3 |
| Outotec Oyj | 318 |
2 |
| Bgrimm Machinery & Automation Technology Co., Ltd. | 3 |
2 |
| Siemens AG | 24990 |
1 |
| Cidra Corporate Services, Inc. | 208 |
1 |
| Cidra Corporate Services, LLC | 91 |
1 |
| Enviro-Tech Systems, L.L.C. | 9 |
1 |
| Metso Minerals Oy | 152 |
1 |
| Outotec (Finland) Oy | 491 |
1 |
| Primetals Technologies Germany GmbH | 180 |
1 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
1 |
| Other owners | 0 |