- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 211
10-year publication summary
|
26
|
26
|
17
|
16
|
9
|
7
|
8
|
18
|
13
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
52 |
| The Boeing Company | 19843 |
23 |
| United Technologies Corporation | 2328 |
18 |
| Aircelle | 488 |
13 |
| Safran Aircraft Engines | 5739 |
13 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
12 |
| Safran Nacelles | 587 |
12 |
| Rohr, Inc. | 653 |
11 |
| General Electric Company | 18133 |
9 |
| Rolls-Royce PLC | 2944 |
9 |
| Saab AB | 814 |
5 |
| Whisper Aero Inc. | 22 |
3 |
| SNECMA S.A. | 1160 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Lockheed Martin Corporation | 3406 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Blue Origin, LLC | 120 |
2 |
| IHI Corporation | 3268 |
2 |
| Safran Ceramics | 366 |
2 |
| Woodward, Inc. | 602 |
2 |
| Other owners | 15 |