- All sections
- B - Performing operations; transporting
- 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: 219
10-year publication summary
|
13
|
19
|
21
|
28
|
16
|
15
|
11
|
21
|
15
|
5
|
| 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 |
51 |
| Alfdex AB | 43 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
| Grimaldi Development AB | 24 |
11 |
| 3nine AB | 22 |
9 |
| ElringKlinger AG | 487 |
9 |
| Qwtip LLC | 54 |
9 |
| Tokyo ROKI Co., Ltd. | 67 |
8 |
| Cummins Filtration IP, Inc. | 812 |
5 |
| Reinz-Dichtungs-GmbH | 245 |
5 |
| Hengst SE | 126 |
5 |
| Fenwal, Inc. | 626 |
3 |
| Hengst GmbH & Co. KG | 64 |
3 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Alfa Laval Tumba AB | 2 |
2 |
| Andover Protection Systems, LLC | 5 |
2 |
| DAF Trucks N.V. | 186 |
2 |
| Danmarks Tekniske Universitet | 902 |
2 |
| GEA Mechanical Equipment GmbH | 253 |
2 |
| Hengst SE & Co. KG | 24 |
2 |
| Other owners | 50 |