- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 9/94 - Re-ignitable or restartable rocket-engine plantsIntermittently operated rocket-engine plants
Patent holdings for IPC class F02K 9/94
Total number of patents in this class: 52
10-year publication summary
|
4
|
7
|
11
|
2
|
3
|
3
|
7
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8425 |
19 |
| Valley Tech Systems, Inc. | 6 |
4 |
| Snecma | 1065 |
4 |
| Arianegroup SAS | 505 |
3 |
| Aerospace Propulsion Products, B.V. | 3 |
2 |
| Airbus Defence and Space SAS | 549 |
2 |
| Utah State University | 183 |
2 |
| The Boeing Company | 19930 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8559 |
1 |
| Lockheed Martin Corporation | 3305 |
1 |
| Aerojet Rocketdyne, Inc. | 162 |
1 |
| Airbus Safran Launchers SAS | 59 |
1 |
| Bayern-Chemie Gesellschaft fur Flugchemische Antriebe mbH | 4 |
1 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 129 |
1 |
| The Curators of the University of Missouri | 1012 |
1 |
| Goodrich Corporation | 2094 |
1 |
| IHI Aerospace Co., Ltd. | 102 |
1 |
| IHI Corporation | 3369 |
1 |
| University of Vermont and State Agricultural College | 386 |
1 |
| ArianeGroup GmbH | 61 |
1 |
| Other owners | 3 |