- All sections
- B - Performing operationstransporting
- B04B - Centrifuges
- B04B 3/04 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering discharging solid particles from the bowl by a conveying screw co-axial with the bowl axis and rotating relatively to the bowl
Patent holdings for IPC class B04B 3/04
Total number of patents in this class: 70
10-year publication summary
|
5
|
7
|
7
|
7
|
2
|
5
|
6
|
3
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Quip Technologies, LLC | 93 |
10 |
| Weir Minerals Australia, Ltd. | 310 |
6 |
| FLSmidth A/S | 786 |
5 |
| Alfa Laval Corporate AB | 1336 |
4 |
| Mantovani & Vicentini S.r.l. | 14 |
4 |
| Thomas Broadbent & Sons Ltd. | 5 |
4 |
| Andritz Separation Inc. | 13 |
3 |
| Ferrum AG | 26 |
2 |
| Flottweg SE | 92 |
2 |
| GEA Mechanical Equipment GmbH | 243 |
2 |
| M-I L.L.C. | 743 |
2 |
| Silfine Co., Ltd. | 3 |
2 |
| Novozymes A/S | 3381 |
1 |
| Alcoa of Australia Limited | 40 |
1 |
| ARK Co. Ltd. | 8 |
1 |
| Fluid-Quip, Inc. | 8 |
1 |
| GEA Westfalia Separator GmbH | 20 |
1 |
| Recovered Energy, Inc. | 1 |
1 |
| SIEBTECHNIK GmbH | 12 |
1 |
| Tenmat Limited | 9 |
1 |
| Other owners | 16 |