- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F42B - Explosive charges, e.g. for blastingfireworksammunition
- F42B 3/28 - Cartridge cases characterised by the material used, e.g. coatings
Patent holdings for IPC class F42B 3/28
Total number of patents in this class: 21
10-year publication summary
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1
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1
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3
|
1
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2
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1
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0
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1
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dyno Nobel Inc. | 172 |
3 |
| The United States of America as represented by the Secretary of the Army | 1242 |
2 |
| Fabriser, S.A. de C.V. | 3 |
2 |
| Schlumberger Technology Corporation | 11471 |
1 |
| Halliburton Energy Services, Inc. | 21169 |
1 |
| Lockheed Martin Corporation | 3278 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2831 |
1 |
| Daicel Corporation | 2459 |
1 |
| Nitroset, LLC | 7 |
1 |
| PBE Associates, Trustee for Piezoelectric pebble explosive CRT Trust | 1 |
1 |
| Rheinmetall Waffe Munition GmbH | 562 |
1 |
| Triton Systems, Inc. | 64 |
1 |
| Trouperdale Pty Ltd. | 10 |
1 |
| Global Seismic Solutions Limited | 1 |
1 |
| Nonexp LLC | 1 |
1 |
| PL Elektronik GmbH | 1 |
1 |
| META - Soluções EM Segurança Ltda. | 3 |
1 |
| Other owners | 0 |