- All sections
- B - Performing operationstransporting
- B03B - Separating solid materials using liquids or using pneumatic tables or jigs
- B03B 5/52 - Spiral classifiers
Patent holdings for IPC class B03B 5/52
Total number of patents in this class: 41
10-year publication summary
|
2
|
3
|
0
|
2
|
7
|
5
|
6
|
2
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gem Co., Ltd. | 361 |
3 |
| PT Qmb New Energy Materials | 257 |
3 |
| CPG Resources-Mineral Technologies Pty Ltd | 4 |
2 |
| da Yu Enterprises, L.L.C. | 6 |
2 |
| Mineral Technologies Pty Ltd | 8 |
2 |
| Orekinetics Investments Pty Ltd. | 7 |
2 |
| Tyrone International Limited | 6 |
2 |
| PT ESG New Energy Material | 158 |
2 |
| PT Green Eco Nickel | 102 |
2 |
| Aluminum Corporation of China Limited | 29 |
1 |
| CDE Global Limited | 70 |
1 |
| Dieffenbacher GmbH Maschinen- und Anlagenbau | 242 |
1 |
| GMA Garnet Pty Ltd | 27 |
1 |
| Maschinenfabrik Köppern GmbH & Co. KG | 78 |
1 |
| Mason-Grey Corporation | 4 |
1 |
| Superior Industries, Inc. | 219 |
1 |
| Valmet AB | 556 |
1 |
| WAM S.p.A. | 9 |
1 |
| Siltbuster Limited | 16 |
1 |
| LIG GmbH | 15 |
1 |
| Other owners | 10 |