- 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: 267
10-year publication summary
|
18
|
13
|
18
|
11
|
14
|
28
|
17
|
16
|
16
|
12
|
| 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 | 249 |
71 |
| DAVEY BICKFORD une société par actions simplifiée | 72 |
27 |
| Orica Explosives Technology Pty Ltd. | 197 |
19 |
| Austin Star Detonator Company | 39 |
17 |
| Hanwha Corporation | 299 |
15 |
| Orica International Pte Ltd | 185 |
14 |
| Wells Fargo Bank, National Association | 4001 |
8 |
| DYNAenergetics Europe GmbH | 254 |
8 |
| Geodynamics, Inc. | 195 |
6 |
| Hunting Titan, Inc. | 247 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10964 |
5 |
| UTeC Corporation, L.L.C. | 6 |
4 |
| Raytheon Company | 8407 |
3 |
| Battelle Memorial Institute | 2486 |
3 |
| Rothenbuhler Engineering Co. | 14 |
3 |
| Sandvik Mining and Construction Oy | 838 |
3 |
| Vale S.A. | 273 |
3 |
| Triad National Security, LLC | 616 |
3 |
| Dyno Nobel Limited | 4 |
3 |
| Schlumberger Canada Limited | 7396 |
2 |
| Other owners | 44 |