- 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: 55
10-year publication summary
|
7
|
10
|
2
|
3
|
3
|
7
|
2
|
1
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8462 |
19 |
| Valley Tech Systems, Inc. | 6 |
4 |
| Snecma | 1061 |
4 |
| Arianegroup SAS | 533 |
3 |
| Aerospace Propulsion Products, B.V. | 3 |
2 |
| Airbus Defence and Space SAS | 577 |
2 |
| Utah State University | 200 |
2 |
| Blue Origin Manufacturing, LLC | 252 |
2 |
| The Boeing Company | 20079 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8938 |
1 |
| Lockheed Martin Corporation | 3282 |
1 |
| Aerojet Rocketdyne, Inc. | 165 |
1 |
| Airbus Safran Launchers SAS | 59 |
1 |
| Bayern-Chemie Gesellschaft fur Flugchemische Antriebe mbH | 5 |
1 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 125 |
1 |
| The Charles Stark Draper Laboratory, Inc. | 933 |
1 |
| The Curators of the University of Missouri | 1064 |
1 |
| Goodrich Corporation | 2183 |
1 |
| IHI Aerospace Co., Ltd. | 111 |
1 |
| IHI Corporation | 3485 |
1 |
| Other owners | 5 |