- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F41A - Functional features or details common to both smallarms and ordnance, e.g. cannons; mountings for smallarms or ordnance
- F41A 3/74 - Obturating or packing devices for gas leak prevention in breech mechanisms
Patent holdings for IPC class F41A 3/74
Total number of patents in this class: 11
10-year publication summary
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0
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0
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0
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0
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1
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2
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2
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2
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2
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Federal Cartridge Company | 531 |
3 |
| Peppermill Design, LLC | 10 |
2 |
| Diehl BGT Defence GmbH & Co. KG | 59 |
1 |
| Patria Land & Armament Oy | 21 |
1 |
| Rock River Arms, Inc. | 103 |
1 |
| Uintah Precision LLC | 8 |
1 |
| 03312004 LLC | 4 |
1 |
| Daniel Defense LLC | 71 |
1 |
| Other owners | 0 |