- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F42B - Explosive charges, e.g. for blastingfireworksammunition
- F42B 1/028 - Shaped or hollow charges characterised by the form of the liner
Patent holdings for IPC class F42B 1/028
Total number of patents in this class: 178
10-year publication summary
|
17
|
22
|
22
|
26
|
24
|
21
|
11
|
9
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20749 |
18 |
| Schlumberger Technology Corporation | 10627 |
14 |
| DYNAenergetics Europe GmbH | 244 |
13 |
| Hunting Titan, Inc. | 245 |
9 |
| QinetiQ Limited | 563 |
9 |
| Raytheon Company | 8388 |
8 |
| Wells Fargo Bank, National Association | 3743 |
6 |
| Saab AB | 809 |
5 |
| Alford IP Limited | 8 |
5 |
| Lawrence Livermore National Security, LLC | 1925 |
4 |
| Geodynamics, Inc. | 191 |
4 |
| Jet Physics Limited | 19 |
4 |
| Owen Oil Tools LP | 90 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2735 |
3 |
| The United States of America as represented by the Secretary of the Army | 1203 |
3 |
| BAE Systems Bofors AB | 204 |
3 |
| P3D Solutions, Inc. | 4 |
3 |
| Linear Shaped Limited | 5 |
3 |
| Schlumberger Canada Limited | 7235 |
2 |
| Schlumberger Technology B.v. | 5148 |
2 |
| Other owners | 56 |