- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
Patent holdings for IPC class B04B 11/02
Total number of patents in this class: 432
10-year publication summary
|
34
|
25
|
37
|
39
|
39
|
59
|
38
|
62
|
42
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1265 |
128 |
| GEA Mechanical Equipment GmbH | 253 |
44 |
| Fenwal, Inc. | 626 |
17 |
| GM Innovations Limited | 16 |
12 |
| Alfdex AB | 43 |
10 |
| GEA Westfalia Separator Group GmbH | 60 |
10 |
| Pneumatic Scale Corporation | 38 |
10 |
| Flottweg SE | 88 |
8 |
| Terumo Kabushiki Kaisha | 5216 |
7 |
| Pierson Capital Environmental (Beijing) Limited | 9 |
6 |
| Eppendorf Himac Technologies Co., Ltd. | 59 |
6 |
| Biosafe S.A. | 38 |
5 |
| Thought Preserve, LLC | 14 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Shimadzu Corporation | 5791 |
4 |
| Derrick Corporation | 230 |
4 |
| Ferrum AG | 27 |
4 |
| M-I L.L.C. | 893 |
4 |
| Mantovani & Vicentini S.r.l. | 14 |
4 |
| Tokyo ROKI Co., Ltd. | 67 |
4 |
| Other owners | 136 |