- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 9/06 - Fluid drive
Patent holdings for IPC class B04B 9/06
Total number of patents in this class: 74
10-year publication summary
|
4
|
4
|
14
|
5
|
5
|
5
|
3
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1305 |
12 |
| Cummins Filtration IP, Inc. | 807 |
10 |
| Alfdex AB | 55 |
9 |
| MANN+HUMMEL GmbH | 1726 |
7 |
| Hengst GmbH & Co. KG | 57 |
6 |
| Fleetguard, Inc. | 35 |
4 |
| Reinz-Dichtungs-GmbH | 262 |
4 |
| Grimaldi Development AB | 25 |
4 |
| 3nine AB | 22 |
2 |
| GM Innovations Limited | 18 |
2 |
| The Research Foundation for The State University of New York | 1552 |
2 |
| Tokyo ROKI Co., Ltd. | 70 |
2 |
| Pratt & Whitney Canada Corp. | 4442 |
1 |
| Alfa Laval Tumba AB | 2 |
1 |
| Alfa Wassermann, Inc. | 38 |
1 |
| Flottweg SE | 89 |
1 |
| Hengst SE & Co. KG | 23 |
1 |
| Jefferies Finance LLC | 192 |
1 |
| Mantovani & Vicentini S.r.l. | 15 |
1 |
| Elgin Separation Solutions Industrials, LLC | 6 |
1 |
| Other owners | 2 |