- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 9/34 - Joint control of separate flows to main and auxiliary burners
Patent holdings for IPC class F02C 9/34
Total number of patents in this class: 135
10-year publication summary
|
14
|
9
|
14
|
11
|
4
|
4
|
5
|
0
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce PLC | 3000 |
11 |
| GE Infrastructure Technology, LLC | 6120 |
11 |
| Siemens Energy Global GmbH & Co. KG | 2857 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8559 |
9 |
| Ansaldo Energia Switzerland AG | 284 |
8 |
| Siemens AG | 24563 |
7 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
7 |
| Hamilton Sundstrand Corporation | 4751 |
6 |
| Woodward, Inc. | 638 |
6 |
| General Electric Company | 17807 |
5 |
| Safran Aircraft Engines | 6079 |
5 |
| Turbomeca | 228 |
5 |
| Mitsubishi Power, Ltd. | 1744 |
5 |
| H2 IP UK Limited | 53 |
4 |
| SNECMA S.A. | 1149 |
3 |
| Alstom Technology Ltd | 1142 |
3 |
| 8 Rivers Capital, LLC | 244 |
3 |
| Gas Turbine Efficiency Sweden AB | 25 |
3 |
| Snecma | 1065 |
3 |
| Hitachi, Ltd. | 15264 |
2 |
| Other owners | 19 |