- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 241
10-year publication summary
|
15
|
17
|
18
|
13
|
9
|
14
|
10
|
7
|
15
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5517 |
41 |
| Safran Aircraft Engines | 6727 |
35 |
| Rtx Corporation | 10127 |
25 |
| General Electric Company | 13915 |
15 |
| The Boeing Company | 20186 |
12 |
| Jetoptera, Inc. | 105 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
6 |
| Boom Technology, Inc. | 44 |
6 |
| Airbus Operations S.A.S. | 2566 |
5 |
| Rolls-Royce PLC | 3224 |
5 |
| IHI Corporation | 3527 |
5 |
| Rohr, Inc. | 773 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 863 |
5 |
| SNECMA S.A. | 1145 |
4 |
| United Technologies Corporation | 2218 |
4 |
| Lockheed Martin Corporation | 3255 |
4 |
| Rolls-Royce Corporation | 1680 |
4 |
| Snecma | 1058 |
4 |
| Honeywell International Inc. | 12776 |
3 |
| Aircelle | 463 |
3 |
| Other owners | 44 |