- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F41H - Armourarmoured turretsarmoured or armed vehiclesmeans of attack or defence, e.g. camouflage, in general
- F41H 5/22 - Manhole covers, e.g. on tanks
Patent holdings for IPC class F41H 5/22
Total number of patents in this class: 73
10-year publication summary
|
4
|
4
|
5
|
7
|
6
|
3
|
9
|
2
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheinmetall Landsysteme GmbH | 122 |
9 |
| Nexter Systems | 126 |
7 |
| Krauss-Maffei Wegmann GmbH & Co. KG | 131 |
5 |
| CMI Defence S.A. | 40 |
5 |
| Hardwire, LLC | 53 |
3 |
| TriMark Corporation | 44 |
3 |
| AADG, Inc. | 77 |
2 |
| Oshkosh Defense, LLC | 213 |
2 |
| Siemens AG | 24033 |
1 |
| The Boeing Company | 20160 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15252 |
1 |
| AM General LLC | 63 |
1 |
| Armorworks Holdings, Inc. | 2 |
1 |
| BAE Systems Land & Armaments, L. P. | 1 |
1 |
| BAE Systems Land & Armaments, L.P. | 48 |
1 |
| BAE Systems Survivability Systems, LLC | 2 |
1 |
| Black Mountain Industries, Inc. | 7 |
1 |
| Cockerill Maintenance & Ingenierie SA | 79 |
1 |
| The Eastern Company | 185 |
1 |
| Other owners | 25 |