- 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: 314
10-year publication summary
|
22
|
21
|
21
|
30
|
36
|
23
|
27
|
18
|
16
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GEA Mechanical Equipment GmbH | 246 |
23 |
| Alfa Laval Corporate AB | 1305 |
21 |
| Beckman Coulter, Inc. | 1256 |
13 |
| DSM IP Assets B.V. | 5603 |
11 |
| bioMerieux, Inc. | 441 |
10 |
| Pneumatic Scale Corporation | 40 |
9 |
| Life Technologies Corporation | 3273 |
7 |
| Terumo Kabushiki Kaisha | 5506 |
7 |
| BioFire Defense, LLC | 73 |
7 |
| GEA Westfalia Separator Group GmbH | 97 |
7 |
| Tetra Laval Holdings & Finance S.A. | 2125 |
7 |
| Yantai Ausbio Laboratories Co., Ltd. | 24 |
7 |
| Empirical Innovations, Inc. | 38 |
7 |
| Roche Diagnostics Operations, Inc. | 1476 |
6 |
| ANDREAS Hettich GmbH & Co. KG | 122 |
5 |
| MANN+HUMMEL GmbH | 1753 |
5 |
| Tomoe Engineering Co., Ltd. | 46 |
5 |
| TriPath Imaging, Inc. | 70 |
4 |
| Wartsila Finland Oy | 741 |
4 |
| Bjarne Christian Nielsen Holding ApS | 5 |
4 |
| Other owners | 145 |