- 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: 266
10-year publication summary
|
23
|
15
|
21
|
14
|
16
|
32
|
20
|
21
|
17
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Detnet South Africa (Pty) Ltd | 246 |
73 |
| DAVEY BICKFORD une société par actions simplifiée | 71 |
27 |
| Orica Explosives Technology Pty Ltd. | 195 |
19 |
| Austin Star Detonator Company | 39 |
17 |
| Hanwha Corporation | 297 |
15 |
| Orica International Pte Ltd | 181 |
13 |
| Wells Fargo Bank, National Association | 3825 |
8 |
| DYNAenergetics Europe GmbH | 247 |
8 |
| Geodynamics, Inc. | 192 |
6 |
| Hunting Titan, Inc. | 246 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
5 |
| UTeC Corporation, L.L.C. | 6 |
4 |
| Raytheon Company | 8389 |
3 |
| Battelle Memorial Institute | 2484 |
3 |
| Rothenbuhler Engineering Co. | 14 |
3 |
| Sandvik Mining and Construction Oy | 827 |
3 |
| Vale S.A. | 271 |
3 |
| Triad National Security, LLC | 607 |
3 |
| Dyno Nobel Limited | 3 |
3 |
| Schlumberger Canada Limited | 7296 |
2 |
| Other owners | 42 |