- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/30 - Anchors rigid when in use
Patent holdings for IPC class B63B 21/30
Total number of patents in this class: 24
10-year publication summary
|
0
|
5
|
2
|
0
|
1
|
2
|
4
|
4
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wavesrx LLC | 7 |
3 |
| Johnson Outdoors Inc. | 212 |
2 |
| Grant Prideco, Inc. | 387 |
2 |
| Wobben Properties GmbH | 1219 |
2 |
| STAX Engineering, Inc. | 11 |
2 |
| RCAM Technologies, Inc. | 15 |
2 |
| APL Norway AS | 35 |
1 |
| Reflex Marine Ltd. | 23 |
1 |
| Saipem S.A. | 228 |
1 |
| Yakattack LLC | 44 |
1 |
| Cesario, Lucas | 2 |
1 |
| SandShark, Inc. | 5 |
1 |
| Women at Work Group Pty Ltd | 7 |
1 |
| Stationmar AS | 8 |
1 |
| Totalenergies Onetech | 1367 |
1 |
| Kent Houston Offshore Engineering LLC | 5 |
1 |
| Cyril J. Silberman | 1 |
1 |
| Other owners | 0 |