- All sections
- B - Performing operationstransporting
- 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
|
7
|
1
|
5
|
2
|
0
|
0
|
3
|
0
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10968 |
4 |
| Accelerated Filtration, Inc. | 12 |
4 |
| Husqvarna AB | 3033 |
3 |
| National Oilwell Varco, L.P. | 1701 |
3 |
| G.b.d. Corp. | 42 |
2 |
| Tetra Laval Holdings & Finance S.A. | 2239 |
2 |
| Tribe Technology Pty Ltd | 5 |
2 |
| Airbus Operations Limited | 1345 |
1 |
| Hitachi, Ltd. | 16146 |
1 |
| AKW Apparate + Verfahren GmbH | 7 |
1 |
| Alfa Laval Corporate AB | 1340 |
1 |
| Andritz AG | 244 |
1 |
| Dyson Technology Limited | 4010 |
1 |
| EagleBurgmann Germany GmbH & Co. KG | 357 |
1 |
| Jinan University | 255 |
1 |
| Nordson Corporation | 1206 |
1 |
| Sidel Participations | 1076 |
1 |
| Valmet AB | 555 |
1 |
| Tiger New Surface Materials (Suzhou) Co., Ltd. | 15 |
1 |
| Skybest Electric Appliance (Suzhou) Co.,Ltd. | 132 |
1 |
| Other owners | 2 |