- All sections
- B - Performing operationstransporting
- B04B - Centrifuges
- B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
Patent holdings for IPC class B04B 11/04
Total number of patents in this class: 321
10-year publication summary
|
22
|
20
|
21
|
29
|
33
|
22
|
26
|
18
|
16
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1324 |
23 |
| GEA Mechanical Equipment GmbH | 246 |
23 |
| Beckman Coulter, Inc. | 1282 |
13 |
| DSM IP Assets B.V. | 5572 |
12 |
| bioMerieux, Inc. | 446 |
10 |
| Pneumatic Scale Corporation | 42 |
9 |
| GEA Westfalia Separator Group GmbH | 108 |
8 |
| Life Technologies Corporation | 3326 |
7 |
| Terumo Kabushiki Kaisha | 5621 |
7 |
| BioFire Defense, LLC | 72 |
7 |
| Tetra Laval Holdings & Finance S.A. | 2176 |
7 |
| Yantai Ausbio Laboratories Co., Ltd. | 24 |
7 |
| Empirical Innovations, Inc. | 38 |
7 |
| Roche Diagnostics Operations, Inc. | 1501 |
6 |
| ANDREAS Hettich GmbH & Co. KG | 117 |
5 |
| MANN+HUMMEL GmbH | 1771 |
5 |
| Tomoe Engineering Co., Ltd. | 44 |
5 |
| TriPath Imaging, Inc. | 69 |
4 |
| Wartsila Finland Oy | 735 |
4 |
| Bjarne Christian Nielsen Holding ApS | 5 |
4 |
| Other owners | 148 |