- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/64 - Equipment for towing or pushing vessels by vehicles or beings moving forward on ground-based paths along water-way
Patent holdings for IPC class B63B 21/64
Total number of patents in this class: 7
10-year publication summary
|
0
|
1
|
1
|
2
|
0
|
1
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sealartec Ltd. | 3 |
3 |
| Wettoncraft | 10 |
2 |
| Transport Systems, Inc. | 2 |
1 |
| CrocTrax Amphibious Technologies Pty Ltd | 2 |
1 |
| Other owners | 0 |