- All sections
- B - Performing operations; transporting
- 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
|
6
|
11
|
5
|
7
|
7
|
7
|
2
|
5
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Quip Technologies, LLC | 76 |
9 |
| Weir Minerals Australia, Ltd. | 309 |
6 |
| Alfa Laval Corporate AB | 1265 |
5 |
| Mantovani & Vicentini S.r.l. | 14 |
4 |
| Thomas Broadbent & Sons Ltd. | 7 |
4 |
| Andritz Separation Inc. | 12 |
3 |
| GEA Mechanical Equipment GmbH | 253 |
3 |
| M-I L.L.C. | 893 |
3 |
| FLSmidth A/S | 923 |
3 |
| Ferrum AG | 27 |
2 |
| Flottweg SE | 88 |
2 |
| Silfine Co., Ltd. | 3 |
2 |
| Ecofast Italia S.r.l. - Tecnologie Ambientali | 2 |
2 |
| Novozymes A/S | 3314 |
1 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 183 |
1 |
| Fluid-Quip, Inc. | 12 |
1 |
| GEA Westfalia Separator GmbH | 23 |
1 |
| Leonard, Jeremy | 6 |
1 |
| Recovered Energy, Inc. | 6 |
1 |
| SIEBTECHNIK GmbH | 14 |
1 |
| Other owners | 15 |