- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 17/04 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumpsHelico-centrifugal pumps specially adapted for elastic fluids having non-centrifugal stages, e.g. centripetal of transverse-flow type
Patent holdings for IPC class F04D 17/04
Total number of patents in this class: 244
10-year publication summary
|
12
|
12
|
16
|
11
|
18
|
19
|
30
|
12
|
16
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45693 |
38 |
| Daikin Industries, Ltd. | 9944 |
38 |
| Valeo Systemes Thermiques | 2685 |
29 |
| Sharp Kabushiki Kaisha | 18830 |
13 |
| Sharp Corporation | 10294 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3209 |
6 |
| Fujitsu General Limited | 590 |
5 |
| Kyocera Document Solutions Inc. | 5491 |
4 |
| Bell Helicopter Textron Inc. | 1053 |
4 |
| Cleva Technologies, LLC | 8 |
4 |
| Vornado Air, LLC | 272 |
4 |
| LG Electronics Inc. | 72247 |
3 |
| Intel Corporation | 46664 |
3 |
| Fisher & Paykel Appliances Limited | 150 |
3 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1775 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2358 |
3 |
| Revcor, Inc. | 22 |
3 |
| Haier Smart Home Co., Ltd. | 5417 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8616 |
2 |
| Other owners | 62 |