- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 265
10-year publication summary
|
23
|
15
|
21
|
14
|
16
|
32
|
20
|
18
|
17
|
0
|
| 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 |
71 |
| DAVEY BICKFORD une société par actions simplifiée | 74 |
26 |
| Orica Explosives Technology Pty Ltd. | 199 |
24 |
| Austin Star Detonator Company | 39 |
17 |
| Hanwha Corporation | 291 |
14 |
| Orica International Pte Ltd | 175 |
12 |
| Wells Fargo Bank, National Association | 3496 |
8 |
| DYNAenergetics Europe GmbH | 228 |
8 |
| Geodynamics, Inc. | 198 |
6 |
| Hunting Titan, Inc. | 245 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10682 |
5 |
| UTeC Corporation, L.L.C. | 6 |
4 |
| Raytheon Company | 8438 |
3 |
| Battelle Memorial Institute | 2415 |
3 |
| Dyno Nobel Inc. | 165 |
3 |
| Rothenbuhler Engineering Co. | 14 |
3 |
| Sandvik Mining and Construction Oy | 783 |
3 |
| Vale S.A. | 264 |
3 |
| Triad National Security, LLC | 587 |
3 |
| Schlumberger Canada Limited | 7143 |
2 |
| Other owners | 41 |