- All sections
- B - Performing operationstransporting
- 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: 136
10-year publication summary
|
13
|
11
|
17
|
14
|
7
|
10
|
16
|
7
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1301 |
66 |
| Tokyo ROKI Co., Ltd. | 70 |
9 |
| GEA Mechanical Equipment GmbH | 250 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2090 |
6 |
| Weir Minerals Australia, Ltd. | 306 |
5 |
| Hengst SE | 137 |
5 |
| GEA Westfalia Separator Group GmbH | 81 |
4 |
| Alfdex AB | 56 |
3 |
| DAF Trucks N.V. | 190 |
2 |
| Flowersep | 6 |
2 |
| GEA Westfalia Separator GmbH | 24 |
2 |
| Gekko Systems Pty Ltd | 30 |
2 |
| Thomas Swan & Co. Ltd. | 23 |
2 |
| Mitsubishi Kakoki Kaisha, Ltd. | 60 |
2 |
| Grimaldi Development AB | 25 |
2 |
| Mediatek Inc. | 4849 |
1 |
| Life Technologies Corporation | 3239 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10715 |
1 |
| 3nine AB | 22 |
1 |
| Bilfinger Water Technologies, Inc. | 19 |
1 |
| Other owners | 13 |