- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 7/14 - Inserts, e.g. armouring plates for separating walls of conical shape
Patent holdings for IPC class B04B 7/14
Total number of patents in this class: 131
10-year publication summary
|
10
|
13
|
11
|
17
|
14
|
7
|
10
|
15
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1265 |
63 |
| Tokyo ROKI Co., Ltd. | 67 |
9 |
| GEA Mechanical Equipment GmbH | 253 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
6 |
| Weir Minerals Australia, Ltd. | 309 |
5 |
| Hengst SE | 126 |
4 |
| Alfdex AB | 43 |
3 |
| 3nine AB | 22 |
2 |
| DAF Trucks N.V. | 186 |
2 |
| Flowersep | 6 |
2 |
| GEA Westfalia Separator GmbH | 23 |
2 |
| GEA Westfalia Separator Group GmbH | 60 |
2 |
| Gekko Systems Pty Ltd | 30 |
2 |
| Thomas Swan & Co. Ltd. | 21 |
2 |
| Grimaldi Development AB | 24 |
2 |
| Mediatek Inc. | 4584 |
1 |
| Life Technologies Corporation | 3068 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Bilfinger Water Technologies, Inc. | 19 |
1 |
| Cangzhou Huayou Feida solids control equipment Co. Ltd. | 1 |
1 |
| Other owners | 14 |