- 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 3/067 - 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 having counter-rotating rotors
Patent holdings for IPC class F02C 3/067
Total number of patents in this class: 177
10-year publication summary
|
14
|
15
|
5
|
17
|
23
|
18
|
13
|
9
|
10
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
49 |
| Safran Aircraft Engines | 5739 |
42 |
| Rtx Corporation | 8674 |
17 |
| United Technologies Corporation | 2328 |
10 |
| Snecma | 1065 |
10 |
| SNECMA S.A. | 1160 |
8 |
| GE Avio S.r.l. | 223 |
7 |
| Pratt & Whitney Canada Corp. | 4215 |
6 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
4 |
| Safran Aero Boosters SA | 180 |
4 |
| General Electric Deutschland Holding GmbH | 36 |
3 |
| Rolls-Royce PLC | 2944 |
2 |
| Aircelle | 488 |
2 |
| Rolls-Royce Corporation | 1686 |
2 |
| Safran Transmission Systems | 260 |
2 |
| The Boeing Company | 19843 |
1 |
| Baltico GmbH | 3 |
1 |
| Cenaero | 3 |
1 |
| Derwent Aviation Consulting Ltd | 3 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
1 |
| Other owners | 4 |