- 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: 475
10-year publication summary
|
47
|
37
|
35
|
35
|
36
|
30
|
34
|
36
|
32
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Fan Company | 860 |
51 |
| Delta T, LLC | 281 |
26 |
| General Electric Company | 13804 |
19 |
| Safran Aircraft Engines | 6489 |
18 |
| Air Cool Industrial Co., Ltd. | 293 |
16 |
| Rtx Corporation | 9785 |
16 |
| Mitsubishi Electric Corporation | 47449 |
11 |
| GE Infrastructure Technology, LLC | 6209 |
10 |
| Panasonic Corporation | 19853 |
7 |
| ebm-papst Mulfingen GmbH & Co. KG | 516 |
7 |
| Horton, Inc. | 125 |
7 |
| IHI Corporation | 3508 |
6 |
| Midea Group Co., Ltd. | 4786 |
6 |
| Hoteck Inc. | 16 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
5 |
| Rolls-Royce PLC | 3176 |
4 |
| Rite-Hite Holding Corporation | 663 |
4 |
| Sunonwealth Electric Machine Industry Co., Ltd. | 182 |
4 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 533 |
4 |
| GD Midea Environment Appliances MFG Co., Ltd. | 222 |
4 |
| Other owners | 244 |