- 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: 162
10-year publication summary
|
8
|
14
|
14
|
18
|
27
|
11
|
10
|
21
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
36 |
| Rolls-Royce PLC | 3221 |
33 |
| Pratt & Whitney Canada Corp. | 5479 |
19 |
| Safran Helicopter Engines | 842 |
16 |
| General Electric Company | 13899 |
15 |
| Safran Aircraft Engines | 6694 |
9 |
| Rolls-Royce Deutschland Ltd & Co KG | 858 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
4 |
| Siemens AG | 24029 |
2 |
| United Technologies Corporation | 2220 |
2 |
| Rolls-Royce Corporation | 1677 |
2 |
| General Electric Deutschland Holding GmbH | 69 |
2 |
| SAFRAN S.A. | 791 |
1 |
| SNECMA S.A. | 1146 |
1 |
| Hitachi, Ltd. | 16094 |
1 |
| Dana Limited | 231 |
1 |
| GE Avio S.r.l. | 334 |
1 |
| IHI Corporation | 3535 |
1 |
| Leonardo S.p.A. | 699 |
1 |
| Other owners | 5 |