- All sections
- B - Performing operationstransporting
- B03D - Flotationdifferential sedimentation
- B03D 1/02 - Froth-flotation processes
Patent holdings for IPC class B03D 1/02
Total number of patents in this class: 898
10-year publication summary
|
58
|
83
|
64
|
84
|
66
|
70
|
52
|
43
|
48
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Finland Oy | 678 |
41 |
| Cidra Corporate Services, Inc. | 201 |
31 |
| Cidra Corporate Services, LLC | 98 |
31 |
| Outotec (Finland) Oy | 456 |
31 |
| Ecolab USA Inc. | 5753 |
28 |
| China University of Mining and Technology | 1295 |
26 |
| BASF SE | 21165 |
21 |
| Sumitomo Metal Mining Co., Ltd. | 1945 |
14 |
| Fort Hills Energy L.P. | 87 |
13 |
| FLSmidth A/S | 785 |
12 |
| Metso Outotec Finland Oy | 173 |
12 |
| Eriez Manufacturing Co. | 89 |
11 |
| Clariant International Ltd. | 889 |
10 |
| SunCor Energy Inc. | 739 |
9 |
| Nouryon Chemicals International B.V. | 648 |
9 |
| Imperial Oil Resources Limited | 172 |
8 |
| Vale S.A. | 260 |
8 |
| The University of Queensland | 662 |
7 |
| Sumitomo Chemical Company, Limited | 9015 |
6 |
| Akzo Nobel Chemicals International B.V. | 424 |
6 |
| Other owners | 564 |