- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 9/58 - Propellant feed valves
Patent holdings for IPC class F02K 9/58
Total number of patents in this class: 81
10-year publication summary
|
13
|
11
|
3
|
9
|
5
|
9
|
9
|
13
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aerojet Rocketdyne, Inc. | 167 |
7 |
| United Launch Alliance, L.L.C. | 81 |
7 |
| Blue Origin Manufacturing, LLC | 295 |
5 |
| Safran Aircraft Engines | 6532 |
4 |
| Arianegroup SAS | 532 |
4 |
| The Boeing Company | 20094 |
3 |
| Hamilton Sundstrand Corporation | 5014 |
3 |
| ArianeGroup GmbH | 66 |
3 |
| Sierra Space Corporation | 118 |
3 |
| Thistle Rocketry Ltd | 3 |
3 |
| Keystone Synergistic Enterprises, Inc. | 3 |
2 |
| Korea Aerospace Research Institute | 320 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4050 |
2 |
| Aurora Propulsion Technologies Oy | 7 |
2 |
| Dawn Aerospace Limited | 4 |
2 |
| Vaya Space Inc. | 12 |
2 |
| GATE Space Innovation GmbH | 9 |
2 |
| BAE Systems Space & Mission Systems Inc. | 137 |
2 |
| Raytheon Company | 8463 |
1 |
| Massachusetts Institute of Technology | 10196 |
1 |
| Other owners | 21 |