- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 25/12 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
Patent holdings for IPC class F04D 25/12
Total number of patents in this class: 80
10-year publication summary
|
4
|
8
|
11
|
12
|
4
|
4
|
11
|
4
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Broan-NuTone LLC | 463 |
4 |
| Intex Marketing Ltd. | 246 |
4 |
| Delta Electronics, Inc. | 2731 |
3 |
| Carrier Corporation | 3979 |
3 |
| ResMed Motor Technologies Inc | 76 |
3 |
| Skinners Design Ltd | 6 |
3 |
| Panasonic Corporation | 19874 |
2 |
| Bestway Inflatables & Material Corp. | 425 |
2 |
| Dyson Technology Limited | 3813 |
2 |
| Panasonic Ecology Systems Guangdong Co., Ltd. | 112 |
2 |
| Soler & Palau Research, S.L. | 17 |
2 |
| Valeo Systemes Thermiques | 2793 |
2 |
| LG Electronics Inc. | 74388 |
1 |
| Airbus S.A.S. | 952 |
1 |
| Denso Corporation | 24983 |
1 |
| Mitsubishi Electric Corporation | 47352 |
1 |
| Huawei Technologies Co., Ltd. | 118145 |
1 |
| Caterpillar Inc. | 9998 |
1 |
| Hyundai Motor Company | 23238 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
1 |
| Other owners | 40 |