- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02K - Jet-propulsion plants
- F02K 1/38 - Introducing air inside the jet
Patent holdings for IPC class F02K 1/38
Total number of patents in this class: 231
10-year publication summary
|
23
|
29
|
15
|
17
|
18
|
12
|
9
|
14
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
33 |
| Pratt & Whitney Canada Corp. | 4215 |
32 |
| Rtx Corporation | 8674 |
23 |
| The Boeing Company | 19843 |
17 |
| General Electric Company | 18133 |
13 |
| Rolls-Royce PLC | 2944 |
6 |
| Jetoptera, Inc. | 71 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
6 |
| United Technologies Corporation | 2328 |
5 |
| Airbus Operations S.A.S. | 2407 |
5 |
| IHI Corporation | 3268 |
5 |
| Rohr, Inc. | 653 |
5 |
| Rolls-Royce Corporation | 1686 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
5 |
| SNECMA S.A. | 1160 |
4 |
| Honeywell International Inc. | 13799 |
4 |
| Lockheed Martin Corporation | 3406 |
4 |
| Aircelle | 488 |
4 |
| Boom Technology, Inc. | 35 |
4 |
| Snecma | 1065 |
4 |
| Other owners | 41 |