- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
Patent holdings for IPC class F04D 25/10
Total number of patents in this class: 228
10-year publication summary
|
12
|
20
|
26
|
23
|
32
|
26
|
28
|
22
|
27
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dyson Technology Limited | 3124 |
30 |
| GD Midea Environment Appliances MFG Co., Ltd. | 177 |
25 |
| Midea Group Co., Ltd. | 4025 |
24 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
12 |
| LG Electronics Inc. | 69257 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
5 |
| Panasonic Corporation | 20786 |
4 |
| Air Cool Industrial Co., Ltd. | 234 |
4 |
| Cleva Technologies, LLC | 9 |
4 |
| De'Longhi Appliances S.R.L. Con Unico Socio | 358 |
4 |
| Panasonic Ecology Systems Guangdong Co., Ltd. | 112 |
4 |
| Yu, Steven | 5 |
4 |
| Entsorgafin S.p.A. | 24 |
3 |
| Vornado Air, LLC | 237 |
3 |
| Skinners Design Ltd | 6 |
3 |
| Sharp Kabushiki Kaisha | 18957 |
3 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 316 |
3 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Dell Products L.P. | 11144 |
2 |
| Other owners | 75 |