- 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: 70
10-year publication summary
|
9
|
13
|
11
|
3
|
9
|
5
|
10
|
8
|
13
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aerojet Rocketdyne, Inc. | 162 |
6 |
| United Launch Alliance, L.L.C. | 77 |
6 |
| Blue Origin, LLC | 169 |
4 |
| Safran Aircraft Engines | 6059 |
4 |
| The Boeing Company | 19915 |
3 |
| Hamilton Sundstrand Corporation | 4737 |
3 |
| ArianeGroup GmbH | 61 |
3 |
| Sierra Space Corporation | 130 |
3 |
| Thistle Rocketry Ltd | 3 |
3 |
| Keystone Synergistic Enterprises, Inc. | 3 |
2 |
| Korea Aerospace Research Institute | 308 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3602 |
2 |
| Arianegroup SAS | 504 |
2 |
| Aurora Propulsion Technologies Oy | 7 |
2 |
| Vaya Space Inc. | 9 |
2 |
| BAE Systems Space & Mission Systems Inc. | 125 |
2 |
| Massachusetts Institute of Technology | 9921 |
1 |
| Lockheed Martin Corporation | 3308 |
1 |
| Northrop Grumman Systems Corporation | 2929 |
1 |
| Astrium SAS | 159 |
1 |
| Other owners | 17 |