- All sections
- B - Performing operationstransporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 9/00 - Combinations with other devices, e.g. fans
Patent holdings for IPC class B04C 9/00
Total number of patents in this class: 645
10-year publication summary
|
49
|
60
|
75
|
91
|
56
|
62
|
62
|
47
|
35
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 941 |
82 |
| LG Electronics Inc. | 74262 |
20 |
| Samsung Electronics Co., Ltd. | 151017 |
14 |
| Dyson Technology Limited | 3793 |
10 |
| Vermeer Manufacturing Company | 654 |
9 |
| Hayward Industries, Inc. | 671 |
7 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 305 |
7 |
| Supercritical Fluid Technologies, Inc. | 17 |
7 |
| Pall Corporation | 341 |
6 |
| Accelerated Filtration, Inc. | 14 |
6 |
| Dow Global Technologies LLC | 10696 |
5 |
| China University of Mining and Technology | 1282 |
5 |
| Korea Institute of Energy Research | 871 |
5 |
| Techtronic Industries Co. Ltd. | 101 |
5 |
| University of Central Florida Research Foundation, Inc. | 1224 |
5 |
| Enercorp Engineered Solutions Inc. | 50 |
5 |
| Uop LLC | 4273 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
4 |
| X'pole Precision Tools Inc. | 57 |
4 |
| Protix B.V. | 87 |
4 |
| Other owners | 431 |