- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 9/28 - Rocket-engine plants, i.e. plants carrying both fuel and oxidant thereforControl thereof using solid propellants having two or more propellant charges with the propulsion gases exhausting through a common nozzle
Patent holdings for IPC class F02K 9/28
Total number of patents in this class: 62
10-year publication summary
|
2
|
9
|
7
|
0
|
10
|
3
|
7
|
4
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8425 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8559 |
7 |
| Sierra Space Corporation | 129 |
7 |
| Laboratoire Reaction Dynamics Inc. | 6 |
6 |
| Aerojet Rocketdyne, Inc. | 162 |
4 |
| Bank of America, N.A., AS The Successor Agent | 58 |
2 |
| Goodrich Corporation | 2094 |
2 |
| Southern Methodist University | 118 |
2 |
| Advanced Reaction Motor Systems Limited | 2 |
1 |
| Aerojet-general Corporation | 20 |
1 |
| The Aerospace Corporation | 427 |
1 |
| Aerospace Propulsion Products, B.V. | 3 |
1 |
| Exquadrum, Inc. | 10 |
1 |
| IHI Aerospace Co., Ltd. | 102 |
1 |
| Industrial Turbine Company (UK) Limited | 37 |
1 |
| Mojave Aerospace Ventures, LLC | 4 |
1 |
| Rocketone Aerospace Pty Ltd | 3 |
1 |
| Total Raffinage Marketing | 154 |
1 |
| Universidad de Sevilla | 361 |
1 |
| Chairman, Defence Research & Development Organisation (DRDO) | 25 |
1 |
| Other owners | 4 |