- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02K - Jet-propulsion plants
- F02K 9/97 - Rocket nozzles
Patent holdings for IPC class F02K 9/97
Total number of patents in this class: 256
10-year publication summary
|
19
|
20
|
21
|
35
|
32
|
25
|
24
|
32
|
19
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arianegroup SAS | 493 |
26 |
| Raytheon Company | 8535 |
18 |
| Northrop Grumman Systems Corporation | 2940 |
15 |
| Aerojet Rocketdyne, Inc. | 155 |
14 |
| Snecma | 1065 |
11 |
| Blue Origin, LLC | 120 |
7 |
| General Electric Company | 18133 |
6 |
| The Boeing Company | 19843 |
6 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Volvo Aero Corporation | 103 |
6 |
| Herakles | 169 |
5 |
| ArianeGroup GmbH | 62 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| Agency for Defense Development | 375 |
4 |
| Stoke Space Technologies, Inc. | 20 |
4 |
| SNECMA Propulsion Solide | 56 |
3 |
| Airbus Safran Launchers SAS | 60 |
3 |
| Centre National d'Etudes Spatiales | 408 |
3 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 730 |
3 |
| Exquadrum, Inc. | 9 |
3 |
| Other owners | 104 |