- 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: 491
10-year publication summary
|
49
|
38
|
36
|
37
|
37
|
30
|
35
|
37
|
36
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Fan Company | 916 |
51 |
| Delta T, LLC | 276 |
27 |
| General Electric Company | 14021 |
22 |
| Safran Aircraft Engines | 6811 |
18 |
| Rtx Corporation | 10240 |
16 |
| Air Cool Industrial Co., Ltd. | 299 |
15 |
| Mitsubishi Electric Corporation | 48508 |
11 |
| GE Infrastructure Technology, LLC | 6147 |
10 |
| Panasonic Corporation | 18572 |
7 |
| Horton, Inc. | 127 |
7 |
| Hkc-us, LLC | 89 |
6 |
| Midea Group Co., Ltd. | 5102 |
6 |
| Hoteck Inc. | 17 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
5 |
| ebm-papst Mulfingen GmbH & Co. KG | 493 |
5 |
| Samsung Electronics Co., Ltd. | 159755 |
4 |
| Pratt & Whitney Canada Corp. | 5627 |
4 |
| Rolls-Royce PLC | 3233 |
4 |
| IHI Corporation | 3554 |
4 |
| Rite-Hite Holding Corporation | 682 |
4 |
| Other owners | 259 |