- All sections
- B - Performing operationstransporting
- B03D - Flotationdifferential sedimentation
- B03D 1/002 - Inorganic compounds
Patent holdings for IPC class B03D 1/002
Total number of patents in this class: 75
10-year publication summary
|
4
|
4
|
8
|
8
|
7
|
8
|
1
|
4
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1978 |
7 |
| Kyushu University, National University Corporation | 1721 |
6 |
| Ecolab USA Inc. | 5803 |
4 |
| Evonik Degussa GmbH | 1371 |
3 |
| Central South University | 493 |
3 |
| Goldcorp Inc. | 15 |
3 |
| Extrakt Process Solutions LLC | 40 |
2 |
| Northeastern University | 574 |
2 |
| Tantalum Mining Corporation of Canada Limited | 3 |
2 |
| Nouryon Chemicals International B.V. | 645 |
2 |
| Rio Tinto Technological Resources Inc. | 17 |
2 |
| Barrick Mining Corporation | 46 |
2 |
| Empire Technology Development LLC | 1614 |
1 |
| Mitsubishi Chemical Corporation | 4723 |
1 |
| American Air Liquide, Inc. | 267 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2304 |
1 |
| ChemTreat, Inc. | 282 |
1 |
| Chevron Phillips Chemical Company LP | 1859 |
1 |
| China University of Mining & Technology (Beijing) | 44 |
1 |
| Cidra Corporate Services, Inc. | 199 |
1 |
| Other owners | 29 |