- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42D - Blasting
- F42D 1/20 - Tamping cartridges, i.e. cartridges containing tamping material
Patent holdings for IPC class F42D 1/20
Total number of patents in this class: 24
10-year publication summary
|
1
|
3
|
4
|
0
|
2
|
2
|
3
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stemlock, Incorporated | 9 |
3 |
| PWS Systems Pty Ltd | 6 |
3 |
| Fowlds 3 Limited | 6 |
2 |
| Non-Detonating Solutions (PTY) Limited | 4 |
2 |
| RISE Mining Developments Pty Ltd | 11 |
2 |
| Penhine Proprietary Limited | 4 |
2 |
| Esoteric LLC | 4 |
2 |
| Dyno Nobel Inc. | 165 |
1 |
| Global Assets Integrated, LLC | 5 |
1 |
| River Front Services, Inc. | 17 |
1 |
| Four Flags Pty Ltd | 6 |
1 |
| Hfh Products Europe GmbH | 1 |
1 |
| PRZEDSIĘBIORSTWO PRODUKCYįNO-HANDLOWO-USŁUGOWE | 1 |
1 |
| Tamar Israeli Advanced Quarrying Co. Ltd | 1 |
1 |
| Oex Ti̇caret ve Sanayi̇ Anoni̇m Şi̇rketi̇ | 3 |
1 |
| Other owners | 0 |