- All sections
- B - Performing operationstransporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/085 - Vortex chamber constructions with wear-resisting arrangements
Patent holdings for IPC class B04C 5/085
Total number of patents in this class: 52
10-year publication summary
|
3
|
8
|
4
|
7
|
6
|
4
|
6
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Supercritical Fluid Technologies, Inc. | 17 |
5 |
| Vulco, S.A. | 56 |
3 |
| Weir Canada, Inc. | 21 |
3 |
| Revive Environmental Technology, LLC | 26 |
3 |
| Dow Global Technologies LLC | 10167 |
2 |
| Aramco Services Company | 3763 |
2 |
| Metso Minerals Industries, Inc. | 56 |
2 |
| Saudi Arabian Oil Company | 12481 |
2 |
| Tetra Technologies, Inc. | 98 |
2 |
| Weir Minerals Australia, Ltd. | 304 |
2 |
| Weir Group IP Limited | 26 |
2 |
| 2468042 Alberta Ltd. | 3 |
2 |
| Samsung Electronics Co., Ltd. | 139302 |
1 |
| Siemens AG | 24568 |
1 |
| Andritz Inc. | 337 |
1 |
| Axsia Serck Baker Limited | 1 |
1 |
| Cameron International Corporation | 1325 |
1 |
| China University of Petroleum (Beijing) | 272 |
1 |
| Gema Switzerland GmbH | 169 |
1 |
| Grant Prideco, Inc. | 408 |
1 |
| Other owners | 14 |