- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 9/10 - Control of the drive; Speed regulating
Patent holdings for IPC class B04B 9/10
Total number of patents in this class: 111
10-year publication summary
|
13
|
8
|
9
|
9
|
10
|
14
|
4
|
14
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eppendorf Himac Technologies Co., Ltd. | 59 |
10 |
| Alfa Laval Corporate AB | 1265 |
6 |
| Beckman Coulter, Inc. | 1183 |
5 |
| GEA Mechanical Equipment GmbH | 253 |
5 |
| PHC Holdings Corporation | 701 |
5 |
| Alfdex AB | 43 |
4 |
| Kubota Manufacturing Corporation | 16 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Terumo BCT, Inc. | 399 |
3 |
| Hitachi Koki Co., Ltd. | 423 |
3 |
| MANN+HUMMEL GmbH | 1682 |
3 |
| Biosurfit, S.A. | 64 |
2 |
| Derrick Corporation | 230 |
2 |
| Dynamic Extractions Limited | 9 |
2 |
| Fresenius Kabi Deutschland GmbH | 570 |
2 |
| GM Innovations Limited | 16 |
2 |
| Laboratory Corporation of America Holdings | 655 |
2 |
| Maco Pharma | 131 |
2 |
| Hengst SE | 126 |
2 |
| Gambro BCT, Inc. | 15 |
2 |
| Other owners | 42 |