- All sections
- B - Performing operationstransporting
- B04B - Centrifuges
- B04B 7/18 - Rotary bowls formed or coated with sieving or filtering elements
Patent holdings for IPC class B04B 7/18
Total number of patents in this class: 46
10-year publication summary
|
4
|
1
|
6
|
3
|
5
|
5
|
4
|
3
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aqseptence Group, Inc. | 88 |
4 |
| Andritz Fiedler GmbH | 28 |
3 |
| SIEBTECHNIK GmbH | 12 |
3 |
| The Western States Machine Company | 17 |
3 |
| Arthrex, Inc. | 1409 |
2 |
| Ferrum AG | 26 |
2 |
| Johnson Screens, Inc. | 40 |
2 |
| Safran Helicopter Engines | 758 |
2 |
| Weir Minerals Australia, Ltd. | 308 |
2 |
| Chabiomed Co., Ltd. | 6 |
2 |
| Stamex Technology Co. Ltd. | 3 |
2 |
| Pengchen New Material Technology Co., Ltd. | 54 |
2 |
| 3m Innovative Properties Company | 17833 |
1 |
| Biomet, Inc. | 131 |
1 |
| Biomet Manufacturing, LLC | 1023 |
1 |
| BMA Braunschweigische Maschinenbauanstalt AG | 17 |
1 |
| Braunschweigische Maschinenbauanstalt AG | 5 |
1 |
| Clear Edge-germany GmbH | 12 |
1 |
| Intercrate Container Corp. | 10 |
1 |
| Mantovani & Vicentini S.r.l. | 14 |
1 |
| Other owners | 9 |