- All sections
- B - Performing operations; transporting
- 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: 575
10-year publication summary
|
26
|
44
|
54
|
61
|
78
|
97
|
59
|
61
|
57
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 869 |
64 |
| LG Electronics Inc. | 69257 |
19 |
| Samsung Electronics Co., Ltd. | 131630 |
13 |
| Dyson Technology Limited | 3124 |
10 |
| Vermeer Manufacturing Company | 615 |
8 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 231 |
7 |
| Supercritical Fluid Technologies, Inc. | 16 |
7 |
| Hayward Industries, Inc. | 669 |
6 |
| Pall Corporation | 392 |
6 |
| Techtronic Industries Co. Ltd. | 103 |
6 |
| Accelerated Filtration, Inc. | 10 |
6 |
| Korea Institute of Energy Research | 803 |
5 |
| Protix B.V. | 97 |
5 |
| Uop LLC | 4083 |
4 |
| China University of Mining and Technology | 1189 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
4 |
| X'pole Precision Tools Inc. | 50 |
4 |
| Enercorp Engineered Solutions Inc. | 40 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Other owners | 387 |