- 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: 39
10-year publication summary
|
4
|
8
|
2
|
4
|
5
|
2
|
1
|
2
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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 | 20139 |
2 |
| BAE SYSTEMS plc | 2361 |
2 |
| BCB International Limited | 29 |
2 |
| Goodrich Corporation | 2148 |
2 |
| Centre National de La Recherche Scientifique | 10595 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2787 |
1 |
| Analytical Mechanics Associates, Inc. | 10 |
1 |
| Bluewater Energy Services B.V. | 66 |
1 |
| The Brigham and Women's Hospital, Inc. | 2219 |
1 |
| EBSCO Industries, Inc. | 32 |
1 |
| Ecole Polytechnique | 330 |
1 |
| Foster-Miller, Inc. | 154 |
1 |
| GX Technology Canada Ltd. | 4 |
1 |
| innogy SE | 200 |
1 |
| InterMoor, Inc. | 23 |
1 |
| Petroleo Brasileiro S.A. - Petrobras | 867 |
1 |
| Pure Technologies Ltd. | 81 |
1 |
| Sercel | 210 |
1 |
| Other owners | 8 |