- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/00 - Tying-upShifting, towing, or pushing equipmentAnchoring
Patent holdings for IPC class B63B 21/00
Total number of patents in this class: 484
10-year publication summary
|
36
|
51
|
39
|
44
|
46
|
39
|
47
|
38
|
35
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SOFEC, Inc. | 97 |
29 |
| Single Buoy Moorings Inc. | 320 |
17 |
| Jurong Shipyard Pte. Ltd. | 30 |
17 |
| Bluewater Energy Services B.V. | 66 |
10 |
| Maid IP Holdings Pty/ltd | 10 |
10 |
| Technip France | 705 |
7 |
| The Hookcups Group, Inc. | 8 |
6 |
| Dual Docker GmbH | 5 |
5 |
| Flintstone Technology Limited | 30 |
5 |
| IHC Holland IE B.V. | 265 |
5 |
| Korea Institute of Ocean Science & Technology | 420 |
5 |
| Chevron U.S.A. Inc. | 3972 |
4 |
| APL Norway AS | 35 |
4 |
| Cavotec MSL Holdings Limited | 6 |
4 |
| Connect LNG AS | 11 |
4 |
| Furuno Electric Co., Ltd. | 954 |
4 |
| Kongsberg Maritime AS | 117 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
3 |
| Shell Oil Company | 2138 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2760 |
3 |
| Other owners | 335 |