- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/34 - Blade mountings
Patent holdings for IPC class F04D 29/34
Total number of patents in this class: 456
10-year publication summary
|
26
|
47
|
37
|
35
|
35
|
36
|
30
|
34
|
33
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Fan Company | 781 |
48 |
| Delta T, LLC | 286 |
24 |
| Safran Aircraft Engines | 6306 |
18 |
| Rtx Corporation | 9445 |
16 |
| Air Cool Industrial Co., Ltd. | 270 |
15 |
| General Electric Company | 13859 |
14 |
| Mitsubishi Electric Corporation | 46449 |
11 |
| GE Infrastructure Technology, LLC | 6248 |
10 |
| Panasonic Corporation | 20042 |
7 |
| ebm-papst Mulfingen GmbH & Co. KG | 613 |
7 |
| Horton, Inc. | 122 |
6 |
| IHI Corporation | 3451 |
6 |
| Midea Group Co., Ltd. | 4603 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
5 |
| Cofimco S.r.l. | 24 |
5 |
| Hoteck Inc. | 14 |
5 |
| Rolls-Royce PLC | 3133 |
4 |
| Minka Lighting, Inc. | 130 |
4 |
| Rite-Hite Holding Corporation | 659 |
4 |
| Sunonwealth Electric Machine Industry Co., Ltd. | 184 |
4 |
| Other owners | 237 |