- 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
|
25
|
15
|
9
|
13
|
26
|
23
|
16
|
24
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4445 |
36 |
| Rtx Corporation | 9114 |
26 |
| General Electric Company | 17794 |
22 |
| United Technologies Corporation | 2259 |
13 |
| Safran Aircraft Engines | 6059 |
12 |
| GE Infrastructure Technology, LLC | 6116 |
10 |
| Rolls-Royce PLC | 2996 |
8 |
| Snecma | 1065 |
8 |
| SNECMA S.A. | 1150 |
7 |
| Rolls-Royce North American Technologies, Inc. | 1139 |
7 |
| Mitsubishi Power, Ltd. | 1739 |
6 |
| Honeywell International Inc. | 14022 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8545 |
4 |
| Siemens AG | 24568 |
3 |
| Siemens Energy, Inc. | 1735 |
3 |
| BorgWarner Inc. | 2610 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 584 |
3 |
| IHI Corporation | 3366 |
3 |
| Rolls-Royce Corporation | 1728 |
3 |
| Sikorsky Aircraft Corporation | 1123 |
3 |
| Other owners | 32 |