- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 3/073 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages the compressor and turbine stages being concentric
Patent holdings for IPC class F02C 3/073
Total number of patents in this class: 107
10-year publication summary
|
9
|
7
|
5
|
10
|
10
|
11
|
10
|
3
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Technologies Corporation | 2328 |
44 |
| Rtx Corporation | 8674 |
24 |
| Rolls-Royce PLC | 2944 |
9 |
| General Electric Company | 18133 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 121 |
3 |
| Safran Aircraft Engines | 5739 |
2 |
| TNS Teknologi | 2 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Academy Projects Limited | 1 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
1 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
1 |
| Rolls-Royce Corporation | 1686 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
1 |
| Scaled Power Corp. | 2 |
1 |
| Socpra Sciences et Genie S.E.C. | 167 |
1 |
| Turbomeca | 232 |
1 |
| Volvo Aero Corporation | 103 |
1 |
| Socpra—science et Genie, S.E.C. | 1 |
1 |
| DaimlerChrysler AG | 574 |
1 |
| Other owners | 4 |