- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 1/12 - Varying effective area of jet pipe or nozzle by means of pivoted flaps
Patent holdings for IPC class F02K 1/12
Total number of patents in this class: 234
10-year publication summary
|
17
|
16
|
9
|
7
|
8
|
19
|
14
|
16
|
10
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10009 |
53 |
| The Boeing Company | 20145 |
21 |
| United Technologies Corporation | 2220 |
18 |
| Rohr, Inc. | 774 |
15 |
| Rolls-Royce PLC | 3217 |
14 |
| Safran Nacelles | 790 |
13 |
| Aircelle | 464 |
12 |
| Rolls-Royce North American Technologies, Inc. | 1125 |
12 |
| Safran Aircraft Engines | 6625 |
11 |
| Pratt & Whitney Canada Corp. | 5453 |
9 |
| General Electric Company | 13870 |
7 |
| Whisper Aero Inc. | 77 |
6 |
| Saab AB | 830 |
5 |
| Safran Ceramics | 445 |
3 |
| Blue Origin Manufacturing, LLC | 331 |
3 |
| SNECMA S.A. | 1147 |
2 |
| The Regents of the University of California | 20669 |
2 |
| Lockheed Martin Corporation | 3268 |
2 |
| Hamilton Sundstrand Corporation | 5019 |
2 |
| IHI Corporation | 3529 |
2 |
| Other owners | 22 |