- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42B - Explosive charges, e.g. for blasting; fireworks; ammunition
- F42B 33/12 - Crimping shotgun cartridges
Patent holdings for IPC class F42B 33/12
Total number of patents in this class: 7
10-year publication summary
|
0
|
0
|
0
|
2
|
4
|
0
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The College of William & Mary | 21 |
3 |
| Dillon Precision Products, Inc. | 22 |
2 |
| Polywad, Inc. | 13 |
1 |
| Bach Precisions Inc | 1 |
1 |
| Other owners | 0 |