- All sections
- B - Performing operationstransporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 11/00 - Accessories, e.g. safety or control devices, not otherwise provided for
Patent holdings for IPC class B04C 11/00
Total number of patents in this class: 201
10-year publication summary
|
20
|
21
|
21
|
17
|
14
|
10
|
11
|
5
|
6
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cidra Corporate Services, Inc. | 201 |
11 |
| Vulco, S.A. | 45 |
10 |
| National Oilwell Varco, L.P. | 1699 |
7 |
| FLSmidth A/S | 787 |
6 |
| Omachron Intellectual Property Inc. | 965 |
5 |
| Cidra Corporate Services, LLC | 99 |
4 |
| Weir Minerals Australia, Ltd. | 310 |
4 |
| Weir Group IP Limited | 31 |
4 |
| V-stax, LLC | 31 |
4 |
| Airbus Operations Limited | 1343 |
3 |
| Dow Global Technologies LLC | 10919 |
3 |
| AKW Apparate + Verfahren GmbH | 7 |
3 |
| Andritz Oy | 292 |
3 |
| Ecomin S.r.l. | 7 |
3 |
| Festool GmbH | 411 |
3 |
| Voith Patent GmbH | 2753 |
3 |
| Weir Canada, Inc. | 22 |
3 |
| Weir Minerals Chile S.A. | 8 |
3 |
| Ford Motor Company | 2668 |
2 |
| Xerox Corporation | 4402 |
2 |
| Other owners | 115 |