- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/48 - Sea-anchorsDrogues
Patent holdings for IPC class B63B 21/48
Total number of patents in this class: 43
10-year publication summary
|
8
|
2
|
4
|
5
|
2
|
1
|
3
|
1
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alaska Maritime Prevention and Response Network | 6 |
6 |
| Women at Work Group Pty Ltd | 8 |
3 |
| The Boeing Company | 20193 |
2 |
| Yamaha Motor Co., Ltd. | 2846 |
2 |
| BAE SYSTEMS plc | 2519 |
2 |
| BCB International Limited | 25 |
2 |
| Goodrich Corporation | 2181 |
2 |
| Delp Engenharia Mecanica S/A | 4 |
2 |
| Centre National de La Recherche Scientifique | 11111 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2864 |
1 |
| Analytical Mechanics Associates, Inc. | 11 |
1 |
| Bluewater Energy Services B.V. | 50 |
1 |
| The Brigham and Women's Hospital, Inc. | 2297 |
1 |
| Ecole Polytechnique | 333 |
1 |
| Foster-Miller, Inc. | 143 |
1 |
| GX Technology Canada Ltd. | 4 |
1 |
| innogy SE | 196 |
1 |
| InterMoor, Inc. | 20 |
1 |
| Mhwirth AS | 132 |
1 |
| Mhwirth GmbH | 58 |
1 |
| Other owners | 10 |