- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 77
10-year publication summary
|
10
|
4
|
8
|
11
|
13
|
4
|
4
|
9
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Broan-NuTone LLC | 460 |
4 |
| Delta Electronics, Inc. | 2502 |
3 |
| ResMed Motor Technologies Inc | 78 |
3 |
| Airius IP Holdings, LLC | 58 |
3 |
| Intex Marketing Ltd. | 223 |
3 |
| Skinners Design Ltd | 6 |
3 |
| Panasonic Corporation | 20339 |
2 |
| Carrier Corporation | 4443 |
2 |
| Bestway Inflatables & Material Corp. | 385 |
2 |
| Dyson Technology Limited | 3410 |
2 |
| Lennox Industries Inc. | 1096 |
2 |
| Panasonic Ecology Systems Guangdong Co., Ltd. | 111 |
2 |
| Soler & Palau Research, S.L. | 17 |
2 |
| Valeo Systemes Thermiques | 2593 |
2 |
| Peakvent AS | 10 |
2 |
| LG Electronics Inc. | 70831 |
1 |
| Airbus S.A.S. | 854 |
1 |
| Denso Corporation | 23692 |
1 |
| Mitsubishi Electric Corporation | 44678 |
1 |
| Huawei Technologies Co., Ltd. | 106382 |
1 |
| Other owners | 35 |