- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02K - Jet-propulsion plants
- F02K 9/52 - Injectors
Patent holdings for IPC class F02K 9/52
Total number of patents in this class: 136
10-year publication summary
|
8
|
9
|
18
|
15
|
12
|
19
|
13
|
30
|
17
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aerojet Rocketdyne, Inc. | 155 |
9 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 730 |
8 |
| Arianegroup SAS | 493 |
7 |
| Mountain Aerospace Research Solutions, Inc. | 9 |
7 |
| Snecma | 1065 |
6 |
| Firefly IP Co, LLC | 17 |
6 |
| IHI Corporation | 3268 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| Special Aerospace Services, LLC | 12 |
4 |
| Sierra Space Corporation | 140 |
4 |
| The Boeing Company | 19843 |
3 |
| Blue Origin, LLC | 120 |
3 |
| Ecaps AB | 12 |
3 |
| ArianeGroup GmbH | 62 |
3 |
| Stratolaunch, LLC | 17 |
3 |
| Radian Aerospace, Inc. | 10 |
3 |
| Taiwan Innovative Space, Inc. | 3 |
3 |
| Purdue Research Foundation | 3277 |
2 |
| Aerojet Rocketdyne of DE, Inc. | 23 |
2 |
| The Curators of the University of Missouri | 965 |
2 |
| Other owners | 49 |