- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 9/04 - Direct drive
Patent holdings for IPC class B04B 9/04
Total number of patents in this class: 65
10-year publication summary
|
5
|
2
|
1
|
6
|
4
|
6
|
4
|
9
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GEA Mechanical Equipment GmbH | 253 |
22 |
| Alfa Laval Corporate AB | 1265 |
12 |
| GEA Westfalia Separator GmbH | 23 |
5 |
| GEA Westfalia Separator Group GmbH | 60 |
5 |
| Alfdex AB | 43 |
3 |
| Alfa Wassermann, Inc. | 39 |
2 |
| Hanning Elektro-Werke GmbH & Co. KG | 52 |
2 |
| Labrador Diagnostics LLC | 287 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| Panasonic Electric Works Co., Ltd. | 782 |
1 |
| Life Technologies Corporation | 3068 |
1 |
| Alfa Laval Tumba AB | 2 |
1 |
| ANDRITZ KMPT GmbH | 8 |
1 |
| Hengst GmbH & Co. KG | 64 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| Schaeffler KG | 960 |
1 |
| Ufi Filters S.p.A. | 196 |
1 |
| ABC Med Tech Corporation | 10 |
1 |
| Spherical Holdings, LLC | 4 |
1 |
| Stamex Technology Co. Ltd. | 2 |
1 |
| Other owners | 0 |