- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/32 - Locking, e.g. by final locking-blades or keys
Patent holdings for IPC class F01D 5/32
Total number of patents in this class: 384
10-year publication summary
|
29
|
36
|
20
|
18
|
16
|
16
|
12
|
21
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6694 |
58 |
| Rtx Corporation | 10102 |
46 |
| General Electric Company | 13899 |
34 |
| GE Infrastructure Technology, LLC | 6171 |
33 |
| Siemens AG | 24029 |
25 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
21 |
| SNECMA S.A. | 1146 |
16 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
16 |
| Rolls-Royce PLC | 3221 |
13 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
10 |
| Snecma | 1058 |
8 |
| United Technologies Corporation | 2220 |
7 |
| Rolls-Royce Corporation | 1677 |
7 |
| Mitsubishi Power, Ltd. | 1833 |
7 |
| Siemens Energy, Inc. | 1685 |
6 |
| Whisper Aero Inc. | 79 |
5 |
| Doosan Enerbility Co., Ltd. | 270 |
5 |
| Pratt & Whitney Canada Corp. | 5479 |
4 |
| MTU Aero Engines AG | 728 |
4 |
| Safran Helicopter Engines | 842 |
4 |
| Other owners | 55 |