- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/34 - Anchors rigid when in use with two or more flukes
Patent holdings for IPC class B63B 21/34
Total number of patents in this class: 16
10-year publication summary
|
2
|
7
|
3
|
0
|
2
|
0
|
0
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stevlos B.V. | 42 |
5 |
| Jiangsu University of Science and Technology | 363 |
2 |
| Board of Regents, The University of Texas System | 5648 |
1 |
| Brupat Limited | 6 |
1 |
| Divemex Limited | 1 |
1 |
| Dr. Techn. Olav Olsen AS | 13 |
1 |
| National University Corporation Tokyo University of Marine Science and Technology | 109 |
1 |
| Tidal Anchors Holdings Limited | 1 |
1 |
| SandShark, Inc. | 5 |
1 |
| Jeyco(1992) Pty Ltd | 1 |
1 |
| RCAM Technologies, Inc. | 13 |
1 |
| Other owners | 0 |