- 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: 669
10-year publication summary
|
54
|
61
|
78
|
98
|
59
|
65
|
63
|
47
|
36
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 973 |
86 |
| LG Electronics Inc. | 76087 |
24 |
| Samsung Electronics Co., Ltd. | 159029 |
15 |
| Dyson Technology Limited | 4036 |
11 |
| Vermeer Manufacturing Company | 675 |
9 |
| Supercritical Fluid Technologies, Inc. | 19 |
8 |
| Hayward Industries, Inc. | 679 |
7 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 341 |
7 |
| Pall Corporation | 335 |
6 |
| Dow Global Technologies LLC | 11051 |
5 |
| China University of Mining and Technology | 1316 |
5 |
| Korea Institute of Energy Research | 902 |
5 |
| Techtronic Industries Co. Ltd. | 101 |
5 |
| University of Central Florida Research Foundation, Inc. | 1257 |
5 |
| Enercorp Engineered Solutions Inc. | 54 |
5 |
| Accelerated Filtration, Inc. | 12 |
5 |
| Uop LLC | 4407 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
4 |
| GM Innovations Limited | 17 |
4 |
| X'pole Precision Tools Inc. | 59 |
4 |
| Other owners | 445 |