- 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: 76
10-year publication summary
|
11
|
4
|
4
|
14
|
5
|
5
|
5
|
3
|
1
|
0
|
| 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 |
12 |
| Cummins Filtration IP, Inc. | 812 |
10 |
| MANN+HUMMEL GmbH | 1682 |
8 |
| Alfdex AB | 43 |
7 |
| Fleetguard, Inc. | 38 |
6 |
| Hengst GmbH & Co. KG | 64 |
6 |
| Reinz-Dichtungs-GmbH | 245 |
4 |
| Grimaldi Development AB | 24 |
4 |
| 3nine AB | 22 |
2 |
| GM Innovations Limited | 16 |
2 |
| The Research Foundation for The State University of New York | 1468 |
2 |
| Tokyo ROKI Co., Ltd. | 67 |
2 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Alfa Laval Tumba AB | 2 |
1 |
| Alfa Wassermann, Inc. | 39 |
1 |
| Dresser-Rand Company | 233 |
1 |
| Flottweg SE | 88 |
1 |
| Hengst SE & Co. KG | 24 |
1 |
| Jefferies Finance LLC | 199 |
1 |
| Mantovani & Vicentini S.r.l. | 14 |
1 |
| Other owners | 3 |