- All sections
- B - Performing operationstransporting
- B04B - Centrifuges
- B04B 9/04 - Direct drive
Patent holdings for IPC class B04B 9/04
Total number of patents in this class: 68
10-year publication summary
|
1
|
6
|
4
|
6
|
4
|
9
|
2
|
6
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GEA Mechanical Equipment GmbH | 242 |
21 |
| Alfa Laval Corporate AB | 1340 |
13 |
| GEA Westfalia Separator Group GmbH | 146 |
8 |
| Alfdex AB | 65 |
4 |
| GEA Westfalia Separator GmbH | 20 |
4 |
| Alfa Wassermann, Inc. | 34 |
2 |
| ABC Med Tech Corporation | 13 |
2 |
| Labrador Diagnostics LLC | 268 |
2 |
| The Procter & Gamble Company | 21856 |
1 |
| Panasonic Electric Works Co., Ltd. | 651 |
1 |
| Life Technologies Corporation | 3458 |
1 |
| ANDRITZ KMPT GmbH | 7 |
1 |
| Hanning Elektro-Werke GmbH & Co. KG | 56 |
1 |
| Hengst GmbH & Co. KG | 38 |
1 |
| Schaeffler KG | 455 |
1 |
| Thermo Electron LED GmbH | 173 |
1 |
| Ufi Filters S.p.A. | 193 |
1 |
| Spherical Holdings, LLC | 4 |
1 |
| Stamex Technology Co. Ltd. | 3 |
1 |
| Industrial Associates, LLC | 3 |
1 |
| Other owners | 0 |