- 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: 230
10-year publication summary
|
17
|
16
|
9
|
7
|
8
|
19
|
14
|
16
|
9
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9893 |
53 |
| The Boeing Company | 20094 |
21 |
| United Technologies Corporation | 2220 |
18 |
| Rohr, Inc. | 773 |
15 |
| Rolls-Royce PLC | 3182 |
13 |
| Safran Nacelles | 769 |
13 |
| Aircelle | 467 |
12 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
12 |
| Safran Aircraft Engines | 6554 |
11 |
| General Electric Company | 13808 |
7 |
| Pratt & Whitney Canada Corp. | 5232 |
6 |
| Whisper Aero Inc. | 72 |
6 |
| Saab AB | 821 |
5 |
| Safran Ceramics | 429 |
3 |
| Blue Origin Manufacturing, LLC | 309 |
3 |
| SNECMA S.A. | 1148 |
2 |
| The Regents of the University of California | 20574 |
2 |
| Lockheed Martin Corporation | 3279 |
2 |
| Hamilton Sundstrand Corporation | 5019 |
2 |
| IHI Corporation | 3517 |
2 |
| Other owners | 22 |