- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02K - Jet-propulsion plants
- F02K 3/04 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type
Patent holdings for IPC class F02K 3/04
Total number of patents in this class: 291
10-year publication summary
|
17
|
49
|
24
|
29
|
23
|
37
|
23
|
11
|
15
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
102 |
| General Electric Company | 18133 |
31 |
| Safran Aircraft Engines | 5739 |
27 |
| Rolls-Royce PLC | 2944 |
18 |
| United Technologies Corporation | 2328 |
17 |
| Pratt & Whitney Canada Corp. | 4215 |
12 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
11 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
7 |
| Rohr, Inc. | 653 |
6 |
| SNECMA S.A. | 1160 |
4 |
| The Boeing Company | 19843 |
4 |
| Airbus Operations S.A.S. | 2407 |
4 |
| Rolls-Royce Corporation | 1686 |
4 |
| Safran Transmission Systems | 260 |
4 |
| IHI Corporation | 3268 |
3 |
| Airbus France | 273 |
2 |
| Israel Aerospace Industries Ltd. | 506 |
2 |
| Soliton Holdings Corporation, Delaware Corporation | 8 |
2 |
| Textron Innovations Inc. | 2138 |
2 |
| Snecma | 1065 |
2 |
| Other owners | 27 |