- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 9/22 - Control 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: 205
10-year publication summary
|
14
|
25
|
15
|
9
|
13
|
26
|
23
|
16
|
24
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
35 |
| Rtx Corporation | 8674 |
26 |
| General Electric Company | 18133 |
20 |
| United Technologies Corporation | 2328 |
13 |
| Safran Aircraft Engines | 5739 |
10 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| Rolls-Royce PLC | 2944 |
9 |
| Snecma | 1065 |
8 |
| SNECMA S.A. | 1160 |
7 |
| Mitsubishi Power, Ltd. | 1680 |
6 |
| Siemens AG | 24990 |
4 |
| Honeywell International Inc. | 13799 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Siemens Energy, Inc. | 1770 |
3 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
3 |
| IHI Corporation | 3268 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
3 |
| Sikorsky Aircraft Corporation | 1150 |
3 |
| H2 IP UK Limited | 55 |
3 |
| Alstom Technology Ltd | 1196 |
2 |
| Other owners | 31 |