- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F42B - Explosive charges, e.g. for blasting; fireworks; ammunition
- F42B 5/28 - Cartridge cases of metal
Patent holdings for IPC class F42B 5/28
Total number of patents in this class: 73
10-year publication summary
|
4
|
3
|
9
|
9
|
4
|
11
|
10
|
12
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Federal Cartridge Company | 536 |
10 |
| National Machinery LLC | 42 |
7 |
| The United States of America as represented by the Secretary of the Army | 1168 |
6 |
| Shell Shock Technologies LLC | 15 |
6 |
| Concurrent Technologies Corporation | 50 |
5 |
| Luvata Ohio, Inc. | 34 |
4 |
| Diehl Metall Stiftung & Co. KG | 50 |
3 |
| Rocky Mountain Scientific Laboratory, LLC | 5 |
3 |
| Greer Steel Company | 5 |
2 |
| Rheinmetall Waffe Munition GmbH | 561 |
2 |
| General Dynamics, OTS - Canada, Inc. | 10 |
2 |
| P2K Technologies, LLC | 3 |
2 |
| ATC Performance GmbH | 6 |
2 |
| AK Steel Properties, Inc. | 75 |
1 |
| Alcoa Inc. | 311 |
1 |
| General Dynamics Ordnance and Tactical Systems - Canada Inc. | 89 |
1 |
| Intrepid Tactical Solutions, LLC | 2 |
1 |
| Korea Nuclear Engineering Co., Ltd. | 11 |
1 |
| Nico-Pyrotechnik Hanns-Jurgen Diederichs & Co., KG | 1 |
1 |
| Olive Tree Financial Group, L.L.C. | 3 |
1 |
| Other owners | 12 |