- 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: 887
10-year publication summary
|
62
|
58
|
83
|
63
|
84
|
66
|
70
|
50
|
39
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cidra Corporate Services, Inc. | 202 |
31 |
| Outotec (Finland) Oy | 480 |
31 |
| Cidra Corporate Services, LLC | 94 |
30 |
| Metso Outotec Finland Oy | 354 |
27 |
| China University of Mining and Technology | 1255 |
26 |
| Ecolab USA Inc. | 5491 |
26 |
| Metso Finland Oy | 463 |
22 |
| BASF SE | 20915 |
19 |
| Sumitomo Metal Mining Co., Ltd. | 1779 |
14 |
| Fort Hills Energy L.P. | 85 |
13 |
| FLSmidth A/S | 772 |
12 |
| Eriez Manufacturing Co. | 88 |
10 |
| Nouryon Chemicals International B.V. | 609 |
10 |
| Clariant International Ltd. | 935 |
9 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
9 |
| Imperial Oil Resources Limited | 170 |
8 |
| Metso Minerals Oy | 107 |
8 |
| Outotec Oyj | 278 |
8 |
| SunCor Energy Inc. | 736 |
8 |
| Vale S.A. | 271 |
8 |
| Other owners | 558 |