- 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: 239
10-year publication summary
|
26
|
13
|
16
|
14
|
11
|
8
|
13
|
9
|
6
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4843 |
37 |
| Safran Aircraft Engines | 6329 |
35 |
| Rtx Corporation | 9495 |
24 |
| General Electric Company | 13856 |
16 |
| The Boeing Company | 20139 |
13 |
| Jetoptera, Inc. | 94 |
6 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
6 |
| Boom Technology, Inc. | 45 |
6 |
| United Technologies Corporation | 2241 |
5 |
| Airbus Operations S.A.S. | 2497 |
5 |
| Rolls-Royce PLC | 3138 |
5 |
| IHI Corporation | 3453 |
5 |
| Rohr, Inc. | 757 |
5 |
| Rolls-Royce Corporation | 1760 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 820 |
5 |
| SNECMA S.A. | 1148 |
4 |
| Lockheed Martin Corporation | 3271 |
4 |
| Aircelle | 477 |
4 |
| Snecma | 1064 |
4 |
| Honeywell International Inc. | 13557 |
3 |
| Other owners | 42 |