- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 3/54 - Hatch openings
Patent holdings for IPC class B63B 3/54
Total number of patents in this class: 23
10-year publication summary
|
3
|
0
|
1
|
4
|
2
|
4
|
2
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MasterCraft Boat Company, LLC | 211 |
15 |
| Technip France | 692 |
2 |
| Siemens AG | 24237 |
1 |
| DCNS | 95 |
1 |
| FINCANTIERI S.p.A. | 77 |
1 |
| Leisure Properties LLC | 11 |
1 |
| Wobben Properties GmbH | 1220 |
1 |
| Hanwha Ocean Co., Ltd. | 135 |
1 |
| Other owners | 0 |