- All sections
- B - Performing operations; transporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/14 - Construction of the underflow ducting; Apex constructions; Discharge arrangements
Patent holdings for IPC class B04C 5/14
Total number of patents in this class: 214
10-year publication summary
|
14
|
18
|
14
|
20
|
23
|
23
|
10
|
14
|
11
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vermeer Manufacturing Company | 625 |
9 |
| Adey Holdings (2008) Limited | 334 |
6 |
| Vulco, S.A. | 59 |
6 |
| Cameron International Corporation | 1322 |
5 |
| Omachron Intellectual Property Inc. | 916 |
5 |
| Protix B.V. | 99 |
5 |
| Dow Global Technologies LLC | 10149 |
4 |
| M-I L.L.C. | 855 |
4 |
| Saudi Arabian Oil Company | 12423 |
4 |
| Advanced Cyclone Systems, S.A. | 5 |
3 |
| Aramco Services Company | 3744 |
3 |
| BTA International GmbH | 13 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 585 |
3 |
| Loesche GmbH | 79 |
3 |
| U.S. Bank Trust Co National Association | 76 |
3 |
| Tesllon Inc | 5 |
3 |
| Mitsubishi Electric Corporation | 44794 |
2 |
| Airex Co., Ltd. | 82 |
2 |
| AKW Apparate + Verfahren GmbH | 8 |
2 |
| Bunri Incorporation | 29 |
2 |
| Other owners | 137 |