- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 9/22 - Control of working fluid flow by throttlingControl of working fluid flow by adjusting vanes by adjusting turbine vanes
Patent holdings for IPC class F02C 9/22
Total number of patents in this class: 221
10-year publication summary
|
15
|
9
|
13
|
26
|
22
|
16
|
24
|
13
|
5
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5448 |
39 |
| Rtx Corporation | 10006 |
26 |
| General Electric Company | 13863 |
23 |
| United Technologies Corporation | 2220 |
13 |
| Safran Aircraft Engines | 6620 |
13 |
| GE Infrastructure Technology, LLC | 6174 |
10 |
| Rolls-Royce PLC | 3215 |
9 |
| Snecma | 1058 |
8 |
| SNECMA S.A. | 1147 |
7 |
| Mitsubishi Power, Ltd. | 1830 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9071 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1125 |
5 |
| Honeywell International Inc. | 12754 |
4 |
| Siemens AG | 24087 |
3 |
| Siemens Energy, Inc. | 1687 |
3 |
| BorgWarner Inc. | 2592 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
3 |
| IHI Corporation | 3529 |
3 |
| Rolls-Royce Corporation | 1675 |
3 |
| Sikorsky Aircraft Corporation | 1070 |
3 |
| Other owners | 32 |