- 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: 23
10-year publication summary
|
1
|
0
|
2
|
5
|
3
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2
|
1
|
0
|
1
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8664 |
6 |
| Raytheon Company | 8389 |
3 |
| Japan Aerospace Exploration Agency | 447 |
3 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 790 |
2 |
| Saab AB | 809 |
2 |
| Active Vtol Crash Prevention Limited | 3 |
2 |
| Dm3d Technology, LLC | 21 |
1 |
| Firestar Engineering, LLC | 21 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1160 |
1 |
| Safran Aircraft Engines | 6265 |
1 |
| Xi'an Jiaotong University | 650 |
1 |
| Other owners | 0 |