- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 1/48 - Corrugated nozzles
Patent holdings for IPC class F02K 1/48
Total number of patents in this class: 152
10-year publication summary
|
4
|
13
|
8
|
8
|
1
|
5
|
3
|
5
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5077 |
37 |
| Safran Aircraft Engines | 6473 |
21 |
| The Boeing Company | 20111 |
19 |
| General Electric Company | 13777 |
13 |
| Rtx Corporation | 9765 |
7 |
| SNECMA S.A. | 1148 |
6 |
| Rolls-Royce Deutschland Ltd & Co KG | 834 |
5 |
| Aircelle | 472 |
4 |
| IHI Corporation | 3499 |
4 |
| Snecma | 1061 |
4 |
| Airbus Operations S.A.S. | 2512 |
3 |
| Safran Ceramics | 420 |
3 |
| Safran Nacelles | 750 |
3 |
| SNECMA Propulsion Solide | 45 |
2 |
| Rolls-Royce PLC | 3173 |
2 |
| Rolls-Royce Corporation | 1691 |
2 |
| Boom Technology, Inc. | 44 |
2 |
| Airbus S.A.S. | 953 |
1 |
| Airbus France | 112 |
1 |
| Ansaldo Energia Switzerland AG | 270 |
1 |
| Other owners | 12 |