- 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 21/12 - Cartridge chambers; Chamber liners
Patent holdings for IPC class F41A 21/12
Total number of patents in this class: 71
10-year publication summary
|
7
|
6
|
5
|
5
|
13
|
8
|
17
|
12
|
5
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Systems Corporation | 155 |
7 |
| GLOCK Technology GmbH | 107 |
6 |
| Ardesa, S.A. | 18 |
4 |
| Schmeisser GmbH | 39 |
3 |
| Wolf Precision, Inc. | 3 |
3 |
| Laser Ammo Ltd. | 13 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2651 |
2 |
| The United States of America as represented by the Secretary of the Army | 1168 |
2 |
| Blackpowder Products, Inc. | 39 |
2 |
| DefendSafe, LLC | 3 |
2 |
| Federal Cartridge Company | 536 |
2 |
| Rheinmetall Waffe Munition GmbH | 561 |
2 |
| RUAG Ammotec AG | 54 |
2 |
| Skychase Holdings Corporation | 36 |
2 |
| Vincent P. Battaglia | 4 |
2 |
| American Classic Arms, LLC | 7 |
2 |
| Butler, Lawrence V. | 3 |
2 |
| ATC Performance GmbH | 6 |
2 |
| AAI Corporation | 73 |
1 |
| Accles & Shelvoke Limited | 27 |
1 |
| Other owners | 19 |