- 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: 157
10-year publication summary
|
8
|
14
|
14
|
18
|
27
|
11
|
10
|
21
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9946 |
36 |
| Rolls-Royce PLC | 3188 |
32 |
| Pratt & Whitney Canada Corp. | 5356 |
19 |
| Safran Helicopter Engines | 819 |
15 |
| General Electric Company | 13822 |
14 |
| Safran Aircraft Engines | 6576 |
9 |
| Rolls-Royce Deutschland Ltd & Co KG | 846 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 1178 |
4 |
| Siemens AG | 24132 |
2 |
| United Technologies Corporation | 2220 |
2 |
| Rolls-Royce Corporation | 1681 |
2 |
| SAFRAN S.A. | 644 |
1 |
| SNECMA S.A. | 1147 |
1 |
| Hitachi, Ltd. | 15944 |
1 |
| Dana Limited | 233 |
1 |
| GE Avio S.r.l. | 325 |
1 |
| IHI Corporation | 3526 |
1 |
| Leonardo S.p.A. | 694 |
1 |
| Sikorsky Aircraft Corporation | 1071 |
1 |
| Other owners | 4 |