- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 11/08 - Skimmers or scrapers for discharging
Patent holdings for IPC class B04B 11/08
Total number of patents in this class: 82
10-year publication summary
|
5
|
6
|
2
|
6
|
9
|
6
|
5
|
11
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GEA Mechanical Equipment GmbH | 253 |
16 |
| Alfa Laval Corporate AB | 1265 |
6 |
| Pneumatic Scale Corporation | 38 |
6 |
| Pierson Capital Environmental (Beijing) Limited | 9 |
6 |
| GEA Westfalia Separator Group GmbH | 60 |
3 |
| Riera Nadeu,s.a. | 13 |
3 |
| Weir Minerals Australia, Ltd. | 309 |
3 |
| Carr, Robert Bret | 3 |
3 |
| BMA Braunschweigische Maschinenbauanstalt AG | 36 |
2 |
| Flottweg SE | 88 |
2 |
| Tomoe Engineering Co., Ltd. | 48 |
2 |
| Westfalia Separator AG | 15 |
2 |
| Zimmer, Inc. | 1371 |
2 |
| ExtractionTek Sales LLC | 8 |
2 |
| Andritz Frautech S.r.l. | 1 |
1 |
| Cambrex Bio Science Walkersville, Inc. | 3 |
1 |
| Claude Laval Corporation | 4 |
1 |
| FIMA Maschinenbau GmbH | 19 |
1 |
| Flowersep | 6 |
1 |
| GEA Westfalia Separator GmbH | 23 |
1 |
| Other owners | 18 |