- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling fuel supply in air-breathing jet-propulsion plants
- F02C 3/113 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission with variable power transmission between rotors
Patent holdings for IPC class F02C 3/113
Total number of patents in this class: 147
10-year publication summary
|
8
|
8
|
14
|
14
|
18
|
27
|
11
|
10
|
18
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce PLC | 3027 |
29 |
| Rtx Corporation | 9288 |
29 |
| Pratt & Whitney Canada Corp. | 4518 |
18 |
| Safran Helicopter Engines | 743 |
13 |
| General Electric Company | 13816 |
12 |
| Safran Aircraft Engines | 6216 |
9 |
| Rolls-Royce Deutschland Ltd & Co KG | 807 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1159 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 940 |
4 |
| Raytheon Technologoes Corporation | 58 |
4 |
| Siemens AG | 24563 |
2 |
| United Technologies Corporation | 2247 |
2 |
| Rolls-Royce Corporation | 1723 |
2 |
| Raytheon Technologies Corporation | 172 |
2 |
| SAFRAN S.A. | 598 |
1 |
| SNECMA S.A. | 1145 |
1 |
| Hitachi, Ltd. | 15402 |
1 |
| Dana Limited | 240 |
1 |
| GE Avio S.r.l. | 265 |
1 |
| IHI Corporation | 3402 |
1 |
| Other owners | 5 |