- 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: 625
10-year publication summary
|
44
|
54
|
61
|
78
|
98
|
59
|
63
|
62
|
47
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 897 |
78 |
| LG Electronics Inc. | 72473 |
20 |
| Samsung Electronics Co., Ltd. | 144143 |
13 |
| Dyson Technology Limited | 3590 |
10 |
| Vermeer Manufacturing Company | 633 |
9 |
| Hayward Industries, Inc. | 672 |
7 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 255 |
7 |
| Supercritical Fluid Technologies, Inc. | 17 |
7 |
| Pall Corporation | 335 |
6 |
| Accelerated Filtration, Inc. | 13 |
6 |
| China University of Mining and Technology | 1244 |
5 |
| Korea Institute of Energy Research | 845 |
5 |
| Techtronic Industries Co. Ltd. | 102 |
5 |
| Protix B.V. | 101 |
5 |
| Enercorp Engineered Solutions Inc. | 43 |
5 |
| Uop LLC | 4209 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| University of Central Florida Research Foundation, Inc. | 1171 |
4 |
| X'pole Precision Tools Inc. | 56 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
3 |
| Other owners | 418 |