- All sections
- B - Performing operations; transporting
- B01F - Mixing, e.g. dissolving, emulsifying or dispersing
- B01F 27/81 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
Patent holdings for IPC class B01F 27/81
Total number of patents in this class: 21
10-year publication summary
|
2
|
0
|
0
|
1
|
2
|
2
|
3
|
6
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 9690 |
2 |
| Invent Umwelt-und Verfahrenstechnik AG | 133 |
2 |
| TAKRAF GmbH | 63 |
2 |
| Three Es S.r.l. | 27 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Schlumberger Canada Limited | 6913 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Ekato Systems GmbH | 10 |
1 |
| M. Technique Co., Ltd. | 237 |
1 |
| NETZSCH-Feinmahltechnik GmbH | 150 |
1 |
| PRIMIX Corporation | 15 |
1 |
| Roche Molecular Systems, Inc. | 878 |
1 |
| Spinchem AB | 20 |
1 |
| Blue Frog Technologies LLC | 8 |
1 |
| Hanwha Solutions Corporation | 572 |
1 |
| Moose Innovations Ltd. | 2 |
1 |
| Shangshui Smartech Ltd. | 6 |
1 |
| Other owners | 0 |