- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 1/22 - HubsBlade connections the blades being foldable
Patent holdings for IPC class B63H 1/22
Total number of patents in this class: 22
10-year publication summary
|
2
|
2
|
1
|
4
|
2
|
5
|
0
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kai Concepts, LLC | 41 |
9 |
| Flexofold ApS | 6 |
3 |
| Superprop Limited | 5 |
2 |
| Airbus Defence and Space, S.A. | 95 |
1 |
| Saab AB | 813 |
1 |
| Torqeedo GmbH | 88 |
1 |
| GRIFF AVIATION AS, a legal entity | 20 |
1 |
| Yellowfin Limited | 7 |
1 |
| Seadrive AS | 5 |
1 |
| Esmar Engineering ApS | 1 |
1 |
| Velettrica S.r.l. | 2 |
1 |
| Other owners | 0 |