- All sections
- B - Performing operations; transporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/28 - Multiple arrangement thereof for parallel flow
Patent holdings for IPC class B04C 5/28
Total number of patents in this class: 230
10-year publication summary
|
13
|
16
|
20
|
37
|
26
|
24
|
17
|
18
|
15
|
2
|
| 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 |
29 |
| Dyson Technology Limited | 3124 |
18 |
| LG Electronics Inc. | 69257 |
9 |
| Vermeer Manufacturing Company | 615 |
8 |
| National Oilwell Varco, L.P. | 1604 |
7 |
| Enverid Systems, Inc. | 80 |
6 |
| Hayward Industries, Inc. | 669 |
6 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 231 |
6 |
| Voith Patent GmbH | 2727 |
6 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Cameron International Corporation | 1305 |
4 |
| Vulco, S.A. | 57 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Aramco Services Company | 3504 |
3 |
| Loesche GmbH | 78 |
3 |
| Merpro Tortek Limited | 5 |
3 |
| Fornice Intelligent Technology Co., Ltd | 8 |
3 |
| General Electric Company | 18133 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| Other owners | 98 |