- All sections
- B - Performing operationstransporting
- B03D - Flotationdifferential sedimentation
- B03D 1/12 - Agent recovery
Patent holdings for IPC class B03D 1/12
Total number of patents in this class: 52
10-year publication summary
|
0
|
3
|
3
|
2
|
1
|
5
|
1
|
1
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cidra Corporate Services, LLC | 95 |
6 |
| Fort Hills Energy L.P. | 86 |
6 |
| Imperial Oil Resources Limited | 171 |
3 |
| Metso Outotec Finland Oy | 348 |
3 |
| International Business Machines Corporation | 61596 |
2 |
| BHP Billiton SSM Development Pty Ltd. | 30 |
2 |
| BYK-Chemie GmbH | 446 |
2 |
| Cidra Corporate Services, Inc. | 203 |
2 |
| 2678380 Ontario Inc. | 3 |
2 |
| Syncrude Canada Ltd. in Trust for The Owners of The Syncrude Project AS | 35 |
2 |
| Chevron Canada Limited | 21 |
1 |
| Arkema Inc. | 1069 |
1 |
| Atofina | 1 |
1 |
| ChemTreat, Inc. | 236 |
1 |
| Extrakt Process Solutions LLC | 36 |
1 |
| ExxonMobil Upstream Research Company | 2390 |
1 |
| Hatch Ltd. | 214 |
1 |
| Kemira Oyj | 1216 |
1 |
| Kemira Water Solutions, Inc. | 21 |
1 |
| Marathon Oil Sands L.P. | 6 |
1 |
| Other owners | 12 |