- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F42D - Blasting
- F42D 1/055 - Electric circuits for blasting specially adapted for firing multiple charges with a time delay
Patent holdings for IPC class F42D 1/055
Total number of patents in this class: 276
10-year publication summary
|
15
|
21
|
14
|
16
|
32
|
20
|
22
|
19
|
16
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Detnet South Africa (Pty) Ltd | 253 |
75 |
| DAVEY BICKFORD une société par actions simplifiée | 74 |
27 |
| Austin Star Detonator Company | 38 |
18 |
| Orica Explosives Technology Pty Ltd. | 187 |
17 |
| Hanwha Corporation | 313 |
15 |
| Orica International Pte Ltd | 200 |
15 |
| Wells Fargo Bank, National Association | 4529 |
8 |
| DYNAenergetics Europe GmbH | 261 |
8 |
| Geodynamics, Inc. | 188 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
5 |
| Hunting Titan, Inc. | 231 |
5 |
| UTeC Corporation, L.L.C. | 6 |
4 |
| Dyno Nobel Limited | 5 |
4 |
| Raytheon Company | 8443 |
3 |
| Battelle Memorial Institute | 2605 |
3 |
| Rothenbuhler Engineering Co. | 14 |
3 |
| Sandvik Mining and Construction Oy | 889 |
3 |
| Vale S.A. | 262 |
3 |
| Triad National Security, LLC | 636 |
3 |
| Schlumberger Canada Limited | 7609 |
2 |
| Other owners | 49 |