- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F41H - Armour; armoured turrets; armoured or armed vehicles; means 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: 64
10-year publication summary
4
|
5
|
4
|
4
|
5
|
7
|
6
|
3
|
8
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rheinmetall Landsysteme GmbH | 131 |
8 |
Nexter Systems | 193 |
7 |
Krauss-Maffei Wegmann GmbH & Co. KG | 304 |
5 |
CMI Defence S.A. | 40 |
5 |
Hardwire, LLC | 41 |
3 |
TriMark Corporation | 45 |
3 |
BAE Systems Land & Armaments, L.P. | 58 |
2 |
Oshkosh Defense, LLC | 159 |
2 |
Siemens AG | 24990 |
1 |
The Boeing Company | 19843 |
1 |
The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
AADG, Inc. | 69 |
1 |
BAE Systems Land & Armaments, L. P. | 1 |
1 |
BAE Systems Survivability Systems, LLC | 2 |
1 |
Black Mountain Industries, Inc. | 7 |
1 |
Cockerill Maintenance & Ingenierie SA | 82 |
1 |
The Eastern Company | 183 |
1 |
EFAFLEX IN{hacek over (Z)}ENIRING d.o.o. Ljubljana | 4 |
1 |
Hormann KG Dissen | 4 |
1 |
Hydra Heating Industries, LLC | 6 |
1 |
Other owners | 17 |