- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 9/40 - Cooling arrangements
Patent holdings for IPC class F02K 9/40
Total number of patents in this class: 25
10-year publication summary
|
0
|
2
|
5
|
3
|
2
|
1
|
0
|
1
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9041 |
6 |
| Raytheon Company | 8467 |
4 |
| Japan Aerospace Exploration Agency | 460 |
3 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 822 |
2 |
| Saab AB | 822 |
2 |
| Active Vtol Crash Prevention Limited | 3 |
2 |
| Dm3d Technology, LLC | 20 |
1 |
| Firestar Engineering, LLC | 21 |
1 |
| Politecnico di Torino | 387 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
1 |
| Safran Aircraft Engines | 6576 |
1 |
| Xi'an Jiaotong University | 718 |
1 |
| Other owners | 0 |