- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
Patent holdings for IPC class B04B 1/08
Total number of patents in this class: 303
10-year publication summary
|
18
|
21
|
23
|
27
|
19
|
35
|
36
|
40
|
30
|
7
|
| 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 |
127 |
| GEA Mechanical Equipment GmbH | 253 |
50 |
| GEA Westfalia Separator Group GmbH | 60 |
17 |
| Tokyo ROKI Co., Ltd. | 67 |
11 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
8 |
| Flottweg SE | 88 |
4 |
| GEA Westfalia Separator GmbH | 23 |
3 |
| POET Research, Inc. | 240 |
3 |
| Tomoe Engineering Co., Ltd. | 48 |
3 |
| Westfalia Separator AG | 15 |
3 |
| Hengst SE | 126 |
3 |
| Ymir Technologies ehf. | 11 |
3 |
| Separator Technology Solutions US Inc | 4 |
3 |
| DSM IP Assets B.V. | 5856 |
2 |
| ENI S.p.A. | 1241 |
2 |
| Flowersep | 6 |
2 |
| MANN+HUMMEL GmbH | 1682 |
2 |
| Sorin Group Italia S.r.l. | 157 |
2 |
| Syncrude Canada Ltd. | 86 |
2 |
| Thomas Broadbent & Sons Ltd. | 7 |
2 |
| Other owners | 51 |