- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 9/44 - Feeding propellants
Patent holdings for IPC class F02K 9/44
Total number of patents in this class: 104
10-year publication summary
|
10
|
9
|
2
|
10
|
8
|
13
|
15
|
13
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Launch Alliance, L.L.C. | 84 |
12 |
| Arianegroup SAS | 536 |
11 |
| The Boeing Company | 20160 |
5 |
| IHI Corporation | 3535 |
4 |
| Aerojet Rocketdyne, Inc. | 175 |
3 |
| Japan Aerospace Exploration Agency | 457 |
3 |
| Korea Aerospace Research Institute | 326 |
3 |
| Firefly Aerospace, Inc. | 17 |
3 |
| Trans Astronautica Corporation | 49 |
3 |
| Oqab Dietrich Induction Inc. | 73 |
3 |
| BAE Systems Space & Mission Systems Inc. | 140 |
3 |
| Blue Origin Manufacturing, LLC | 341 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
2 |
| ArianeGroup GmbH | 67 |
2 |
| Sierra Space Corporation | 115 |
2 |
| Dawn Aerospace Limited | 4 |
2 |
| Viridian Space Corporation | 4 |
2 |
| Pivotal Space, Inc. | 3 |
2 |
| The Regents of the University of California | 20745 |
1 |
| Lockheed Martin Corporation | 3255 |
1 |
| Other owners | 34 |