- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42B - Explosive charges, e.g. for blasting; fireworks; ammunition
- F42B 1/02 - Shaped or hollow charges
Patent holdings for IPC class F42B 1/02
Total number of patents in this class: 143
10-year publication summary
|
20
|
14
|
15
|
11
|
10
|
18
|
13
|
6
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunting Titan, Inc. | 240 |
15 |
| Schlumberger Technology Corporation | 9690 |
14 |
| DYNAenergetics Europe GmbH | 205 |
9 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
6 |
| Schlumberger Canada Limited | 6913 |
4 |
| Schlumberger Technology B.v. | 4951 |
4 |
| Schlumberger Holdings Limited | 2947 |
4 |
| Owen Oil Tools LP | 101 |
4 |
| Prad Research and Development Limited | 2696 |
4 |
| Services Petroliers Schlumberger | 5426 |
4 |
| Linear Shaped Limited | 5 |
4 |
| Goodrich Corporation | 2081 |
3 |
| Pyroalliance | 14 |
3 |
| Saab AB | 814 |
3 |
| W.T. Bell International, Inc. | 17 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| The Boeing Company | 19843 |
2 |
| Raytheon Company | 8535 |
2 |
| Lockheed Martin Corporation | 3406 |
2 |
| Other owners | 49 |