- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 11/04 - Constructional features of bunkers or ballast tanks, e.g. with elastic walls
Patent holdings for IPC class B63B 11/04
Total number of patents in this class: 173
10-year publication summary
|
7
|
19
|
19
|
9
|
7
|
12
|
11
|
9
|
22
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |