- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F42B - Explosive charges, e.g. for blastingfireworksammunition
- F42B 3/188 - Safety initiators resistant to premature firing by static electricity or stray currents having radio-frequency filters
Patent holdings for IPC class F42B 3/188
Total number of patents in this class: 4
10-year publication summary
|
0
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 10717 |
3 |
| Dyno Nobel Inc. | 167 |
1 |
| Other owners | 0 |