- All sections
- B - Performing operationstransporting
- B04B - Centrifuges
- B04B 5/12 - Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
Patent holdings for IPC class B04B 5/12
Total number of patents in this class: 235
10-year publication summary
|
19
|
21
|
28
|
16
|
16
|
11
|
21
|
15
|
16
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1310 |
50 |
| Alfdex AB | 60 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
12 |
| Qwtip LLC | 64 |
12 |
| Grimaldi Development AB | 26 |
11 |
| ElringKlinger AG | 535 |
9 |
| 3nine AB | 21 |
8 |
| Tokyo ROKI Co., Ltd. | 69 |
8 |
| Cummins Filtration IP, Inc. | 807 |
5 |
| Fenwal, Inc. | 667 |
5 |
| Reinz-Dichtungs-GmbH | 278 |
5 |
| Hengst SE | 162 |
5 |
| Hengst GmbH & Co. KG | 50 |
3 |
| Pratt & Whitney Canada Corp. | 4716 |
2 |
| DAF Trucks N.V. | 195 |
2 |
| Danmarks Tekniske Universitet | 965 |
2 |
| GEA Mechanical Equipment GmbH | 246 |
2 |
| Hengst SE & Co. KG | 23 |
2 |
| Empresas Iansa S.A. | 5 |
2 |
| Biodryingtech SpA | 5 |
2 |
| Other owners | 55 |