- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42B - Explosive charges, e.g. for blasting; fireworks; ammunition
- F42B 21/00 - Depth charges
Patent holdings for IPC class F42B 21/00
Total number of patents in this class: 22
10-year publication summary
|
0
|
0
|
1
|
0
|
0
|
12
|
1
|
6
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BAE SYSTEMS plc | 2215 |
17 |
| Lockheed Martin Corporation | 3406 |
2 |
| Rheinmetall Waffe Munition GmbH | 559 |
2 |
| Kaunas University of Technology | 43 |
1 |
| Other owners | 0 |