- 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: 95
10-year publication summary
|
8
|
10
|
9
|
2
|
10
|
7
|
12
|
14
|
12
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Launch Alliance, L.L.C. | 77 |
11 |
| Arianegroup SAS | 504 |
10 |
| The Boeing Company | 19915 |
5 |
| IHI Corporation | 3366 |
4 |
| Japan Aerospace Exploration Agency | 445 |
3 |
| Korea Aerospace Research Institute | 308 |
3 |
| Oqab Dietrich Induction Inc. | 50 |
3 |
| Firefly IP Co, LLC | 13 |
3 |
| BAE Systems Space & Mission Systems Inc. | 125 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8545 |
2 |
| Aerojet Rocketdyne, Inc. | 162 |
2 |
| The Aerospace Corporation | 426 |
2 |
| Blue Origin, LLC | 169 |
2 |
| ArianeGroup GmbH | 61 |
2 |
| Trans Astronautica Corporation | 32 |
2 |
| Sierra Space Corporation | 130 |
2 |
| Pivotal Space, Inc. | 3 |
2 |
| The Regents of the University of California | 19544 |
1 |
| Lockheed Martin Corporation | 3308 |
1 |
| Aerojet Rocketdyne of DE, Inc. | 22 |
1 |
| Other owners | 31 |