- All sections
- B - Performing operationstransporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/14 - Construction of the underflow ductingApex constructionsDischarge arrangements
Patent holdings for IPC class B04C 5/14
Total number of patents in this class: 219
10-year publication summary
|
18
|
14
|
20
|
23
|
23
|
10
|
16
|
12
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vermeer Manufacturing Company | 672 |
9 |
| Adey Holdings (2008) Limited | 323 |
6 |
| Omachron Intellectual Property Inc. | 967 |
6 |
| Dow Global Technologies LLC | 10960 |
4 |
| Cameron International Corporation | 1371 |
4 |
| M-I L.L.C. | 743 |
4 |
| Saudi Arabian Oil Company | 14248 |
4 |
| Vulco, S.A. | 45 |
4 |
| Advanced Cyclone Systems, S.A. | 6 |
3 |
| Aramco Services Company | 4196 |
3 |
| BTA International GmbH | 11 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
3 |
| U.S. Bank Trust Co National Association | 75 |
3 |
| Protix B.V. | 85 |
3 |
| Tesllon Inc | 7 |
3 |
| Mitsubishi Electric Corporation | 48048 |
2 |
| Airex Co., Ltd. | 85 |
2 |
| AKW Apparate + Verfahren GmbH | 7 |
2 |
| Bunri Incorporation | 25 |
2 |
| DWC AS | 5 |
2 |
| Other owners | 147 |