- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 3/28 - Frames of transverse typeStringers
Patent holdings for IPC class B63B 3/28
Total number of patents in this class: 9
10-year publication summary
|
2
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp Steel Europe AG | 996 |
2 |
| Photon AG | 3 |
2 |
| Nippon Yusen Kabushiki Kaisha | 169 |
1 |
| ThyssenKrupp AG | 3332 |
1 |
| Vanderhall Motor Works, Inc. | 38 |
1 |
| Technip Energies France | 341 |
1 |
| Hanwha Ocean Co., Ltd. | 153 |
1 |
| Other owners | 0 |