- All sections
- B - Performing operations; transporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/22 - Apparatus in which the axial direction of the vortex is reversed with cleaning means
Patent holdings for IPC class B04C 5/22
Total number of patents in this class: 35
10-year publication summary
|
5
|
1
|
7
|
1
|
5
|
2
|
0
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Accelerated Filtration, Inc. | 10 |
5 |
| Dow Global Technologies LLC | 10147 |
4 |
| Husqvarna AB | 2824 |
4 |
| National Oilwell Varco, L.P. | 1604 |
3 |
| G.b.d. Corp. | 47 |
2 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
2 |
| Hitachi, Ltd. | 16452 |
1 |
| AKW Apparate + Verfahren GmbH | 7 |
1 |
| Alfa Laval Corporate AB | 1265 |
1 |
| Dyson Technology Limited | 3124 |
1 |
| EagleBurgmann Germany GmbH & Co. KG | 314 |
1 |
| Gray, Ian | 5 |
1 |
| Jinan University | 199 |
1 |
| Nordson Corporation | 1246 |
1 |
| Sidel Participations | 984 |
1 |
| Valmet AB | 463 |
1 |
| Tiger New Surface Materials (Suzhou) Co., Ltd. | 15 |
1 |
| Skybest Electric Appliance (Suzhou) Co.,Ltd. | 113 |
1 |
| Leancom Oy | 1 |
1 |
| DDP Specialty Electronic Materials US, LLC | 442 |
1 |
| Other owners | 1 |