- 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: 216
10-year publication summary
|
11
|
8
|
12
|
19
|
20
|
9
|
14
|
13
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5203 |
37 |
| Rtx Corporation | 9831 |
26 |
| General Electric Company | 13811 |
22 |
| United Technologies Corporation | 2220 |
13 |
| Safran Aircraft Engines | 6511 |
13 |
| GE Infrastructure Technology, LLC | 6214 |
10 |
| Rolls-Royce PLC | 3178 |
8 |
| Snecma | 1058 |
8 |
| SNECMA S.A. | 1148 |
7 |
| Mitsubishi Power, Ltd. | 1820 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9010 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1135 |
5 |
| Honeywell International Inc. | 13543 |
4 |
| Siemens AG | 24237 |
3 |
| Siemens Energy, Inc. | 1696 |
3 |
| BorgWarner Inc. | 2584 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
3 |
| IHI Corporation | 3514 |
3 |
| Rolls-Royce Corporation | 1680 |
3 |
| Sikorsky Aircraft Corporation | 1077 |
3 |
| Other owners | 31 |