- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 3/10 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with another turbine driving an output shaft but not driving the compressor
Patent holdings for IPC class F02C 3/10
Total number of patents in this class: 419
10-year publication summary
|
77
|
39
|
46
|
30
|
28
|
29
|
19
|
12
|
17
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9445 |
98 |
| Safran Helicopter Engines | 765 |
50 |
| Pratt & Whitney Canada Corp. | 4818 |
38 |
| Safran Aircraft Engines | 6306 |
22 |
| General Electric Company | 13859 |
17 |
| Nuovo Pignone Tecnologie S.r.l. | 998 |
16 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
15 |
| Mitsubishi Power, Ltd. | 1783 |
14 |
| Turbomeca | 218 |
11 |
| Hitachi, Ltd. | 15572 |
10 |
| Rolls-Royce PLC | 3133 |
8 |
| Rolls-Royce Corporation | 1760 |
8 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 216 |
7 |
| Siemens AG | 24386 |
5 |
| Airbus Helicopters | 972 |
5 |
| Hamilton Sundstrand Corporation | 4916 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
4 |
| United Technologies Corporation | 2241 |
4 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
4 |
| Nuovo Pignone SRL | 202 |
4 |
| Other owners | 74 |